Review Asus VivoBook U38DT Subnotebook and battery life

The VivoBook U38DT-R3001H is for mobile users who need a compact, lightweight and portable device. Under the hood of the aluminum chassis is primarily AMD hardware.

ASUS A85D Battery Let us start with a few specs before we get to the details: Asus has decided to use the A8-4555M CPU. The inexpensive ULV model is primarily focused on newcomer and modest users with a clock of 1.6 up to 2.4 GHz. The dedicated graphics card performs better. Depending on the application the performance of the Radeon HD 8550M is in the low or mainstream area. ASUS A85DE Charger

The memory equipment is midrange with 4 GB DDR3 RAM (1600 MHz). While 2 GB are in a common slot, the remaining two GB are soldered onto the mainboard. To avoid storage problems Asus integrates a 500 GB hard drive with 5,400 rpm. The anti-glare display with a resolution of 1366×768 is suitable for the notebook class. The operating system is Windows 8 64-bit. ASUS A85DR Battery

The excellent case is one of the great strengths of the VivoBook U38DT. Asus almost exclusively uses brushed aluminum that gives the 13-inch device a great quality impression. The silver-gray colored surfaces are exceptionally sophisticated. Except for the manufacturer labels (cover & display frame) the 13-inch device is matte finished throughout. Very few notebooks are that dirt resistant. Compared to other devices the surfaces are pretty durable. ASUS A85N Battery

The praise continues with the good stability: Despite the thin case the surfaces hardly dent even under high pressure. Smaller weaknesses can be found with the touchpad and in the center of the keyboard. The subnotebook also offers a great performance when it comes to the looks. University, office or desk at home: The 13-inch device looks good in every environment. ASUS A85V Battery

Because of the low height (just under two centimeters [~0.79 inches] at the thickest point) and the lightweight construction (1.55 kg/~3.42 pounds) the mobility of the device is very good. Standard notebooks appear enormous and bulky next to the U38DT. Even the light (236 grams/~0.52 pounds) 65 Watt power supply unit is directly connected to the socket and at 75 x 75 x 28 millimeters (~2.95 x 2.95 x 1.10 inches) also surprisingly small. ASUS A85VD Battery If you are often on the road you do not want to be without it. Thanks to the small dimensions the subnotebooks becomes the ideal companion.

In the category of build quality the manufacturer does not disappoint as well. The material transitions of our review sample were very clean. The hinges are also well designed. The base unit does not swing: the device can be opened with one hand. Great: Vibrations have almost no impact on the cover. ASUS A85VJ Battery

Maintenance
A special tool is required to access the inside of the subnotebook. The reason is that the bottom cover is made of a single metal plate and attached to the case with 12 Torx screws. The absence of a typical maintenance cover, which allows fast access to the memory and hard drive, might have a negative impact for some users. To avoid damage to the shop unit we did not remove the bottom cover as an exception. ASUS A85VM Charger

The amount of preinstalled software is small: 25 applications are an indication of a reasonably cleaned up hard drive. In the windows control panel (right picture) the buyer discovers primarily drivers and manufacturer tools. Numerous elements are already known from other Asus notebooks. The “Splendid technology”, for example, tunes the color reproduction. ASUS A85VS Battery “Power4Gear Hybrid” handles the energy settings. The “USB Charger Plus” supports the charging of external USB devices.

Accessories
The scope of delivery is pretty standard. Additional to the port adapters are; a warranty card, a manual and zip ties. Absolute highlight is the brown colored and pretty tight notebook bag. The leather cover is attached to the textured main body via Velcro. The black inside provides a good basic protection. Driver and Windows DVDs are not included. For the system recovery you can use the Windows function Restore (PC settings, general). ASUS F45 Battery

Input Devices

Keyboard
The dark gray chiclet keyboard leaves a good impression. Thanks to generous key lettering and the white illumination, which can be adjusted in multiple steps, the result is a very convenient input. Typical for Asus is the uneven illumination, but is has almost no negative impact for everyday use. ASUS F45A Battery

The key size (mainly 16 x 14 millimeters/~0.63 x 0.55 inches) should also be convenient for most users. Be aware the arrow keys and the keys of the F-row are pretty small (only 8 millimeters/~0.31 inches high). The layout is okay, yet the combined Ins/Del key was distracting. There is not much to complain about with the keyboard feeling: pressure point and stroke are designed sufficiently. ASUS F45C Battery Nice details like the slightly rounded edges are other factors for the positive overall picture. With our experiences the keyboard is suitable for frequent writers.

As usual, with Fn-combinations several comfort functions can be activated. Besides the brightness the volume can also be adjusted. A deactivation/activation of the wireless module, the display and the touchpad is also possible.

Touchpad
The minimally lowered touchpad is strikingly similar to the mouse replacement of the recently reviewed Lenovo IdeaPad Y500. Similarities do not only come with the dimensions (10.5 x 7.0 centimeters/~4.13 x 2.76 inches) but also with the buttons. ASUS F45U Battery The latter are directly integrated into the smooth touchpad surface.

The corresponding mechanisms are definitely a matter of taste. While one appreciates the seamless transition to the button area, the other criticizes the limited stability. Compared to the Lenovo IdeaPad Y500 the touchpad cannot be pushed in so deeply but the stability is not quite perfect. The convenient gestures that are presented clearly in the Smart Gesture software (see screenshot above) also have their flaws. ASUS F45V Battery The zoom function is especially unruly.

Although the precision is at a decent level, Asus could put some work into the accuracy of the touchpad. All in all it is still enough for the rating “Good”.

The 1.6 to 2.4 GHz clocked A8-4555M belongs to the family of power efficient ULV processors and is produced, like its Trinity siblings, in the outdated 32 nm process (Intel is long producing in the 22 nm process). With 19 Watts the Thermal Design Power is significantly reduced compared to the standard models. ASUS F45VD Battery The similar clocked quad-core A8-3500M (1.5-2.4 GHz), for example, has almost twice the TPD with 35 Watts.

The A8-3555M can only process one thread per core simultaneously because of the lack of Hyperthreading or similar parallelization technology. Four MB L2 cache seem pretty much compared to Intel products, however the Core-i generation also has a 3 to 8 MB large L3 cache. The immediate Intel competitors Core i5-2537M (1.4-2.3 GHz) and Core i5-2467M (1.6-2.3 GHz) cannot compete with 1.3 billion transistors.ASUS F45VD1 Battery Both Sandy-Bridge representatives “only” have 624 million transistors.

Throttling
The manufacturer has a big problem with the processor. When more than one core is in use, the clock of the A8-4555M is temporarily reduced from the standard 1.6 GHz to a meager 900 MHz. Our measurements show that the throttling can have a massive impact on the performance. We checked the energy settings repeatedly (Windows control panel and AMD drivers) and the results with the second review unit were too low as well. ASUS F55 Battery We assume a general problem with the VivoBook U38DT.

During use of a single-core the situation is more relaxed. According to the tool CPU-Z the A8-4555M does not come close to the maximum available turbo clock, but at least it is 200 MHz more than the base clock with 1.8 GHz.
CPU Performance
The low CPU performance is the weakest point of the subnotebook. The Cinebench R11.5 score is very low with 0.42 points for the single-core rendering and 0.78 points for multi-core rendering. ASUS F55A Battery The already mentioned Core i5-2537M is more than 100% faster with 0.9 and 1.93 points (Samsung Series 5 530U4C-S02). Even the slow 1.4 GHz Core i3-2367M with 0.53 and 1.32 points is superior (Asus UX32A-R3001V).

If we have a look at the Lenovo IdeaPad S405 we can see that the A8-4555M without throttling and a higher turbo margin achieves 0.57 points (+36%) and 1.24 points (+59%). ASUS F55C Battery We can only hope Asus fixes the problem with the clocks as soon as possible.

GPU Performance
The performance of the AMD graphics very much depends on the requirements of the application being used. The higher the CPU influence, the higher is the limiting factor of the throttling A8-4555M.

The subnotebook handles the 3DMark 11 (1280×720, “Performance Preset”) quite well. With a GPU score of 1,307 points the Radeon HD 8550M is on the same level as the GeForce GT 640M LE (1,259 points @ Fujitsu LifeBook AH532) or Radeon HD 7690M XT (1,346 points @ HP Pavilion dv7-6c07eg). For comparison: The Radeon HD 7600G only manages half of that (628 points @ Lenovo IdeaPad S405). ASUS F55CR Battery

The result of the Unigine-Heaven-2.1 benchmark (1280 x 1024, High, Tessellation normal) is not very overwhelming. With 14.1 fps it can compete with the GeForce GT 630M at most (14.3 fps @ Medion Akoya P6633).

System Performance
Because of the second-class hard drive and the pretty slow CPU the performance of the overall system is in the bottom third. 1,714 points for the PCMark 7 won’t impress anybody. With this result the 13-inch device can only compete against notebooks with a cheap Intel B-series processor (Pentium B950 to B980). ASUS F55U Charger Among others we have the Lenovo IdeaPad G580-MBBG3GE (1,670 points), the HP Compaq Presario CQ58-148SG (1,700 points), the HP Pavilion g6-2200sg (1,723 points) or the Lenovo IdeaPad N581-MBA4YGE (1,742 points).
Gamers should avoid the VivoBook U38DT. The low clock of the A8-4555M pulls the performance down to a level that only modest and/or older games can be played with more than 25 fps. From the 25 tested titles only 10 were fairly playable. ASUS F55V Battery Most of the time the user has to live with minimum details and a slightly reduced resolution.

And even if the frame rate suggests a smooth experience on paper, during gaming there are constantly annoying frame drops due to reloading – whatever settings you select. Even the integrated Intel HD 4000 processor graphics performs better sometimes. Without the CPU throttling the performance should be much better. ASUS F55VD Battery

System Noise
While idling the noise level is similar to the Asus UX32A-R3001V (Core i3-2637M & HD Graphics 3000) we reviewed a few months ago. Just under 31 dB (A) is quite low, although the 13-inch device is never completely silent. Even with little load the user hears a slight noise and a subtle clatter of the hard drive. Simple tasks like MS Office, video or web browsing are also not disturbed by a distracting noise level. ASUS F55VDR adapter

With CPU-intensive tasks (3D applications etc.) the sound intensity rises to a proper but not annoying level. From a distance of 15 centimeters (~6 inches) we measured an average 38 dB (A) for the 3DMark 06. Although the fan noise is pretty high-pitched (and makes the notebook subjectively louder than the values would suggest) it can be tolerated pretty well. ASUS F75 Battery More than 41 dB (A) were not possible even in our stress test. The identically priced UX32A (800 Euros/~$1092) has no dedicated graphics and is quieter under load (36-38 dB (A)).
The temperature development was good without exceptions. During idle the whole chassis remained pleasantly cool: Just under 27 °C (80.6 °F) provides convenient long-term use. At higher loads the rear area of the notebook gets noticeably warmer. ASUS F75A Battery A maximum of 43 °C (109.4 °F at the top) or 38 °C (100.4 °F at the bottom) are non-problematic. The palm rest reaches a maximum value of 31 °C (87.8 °F) – a moderate result.

Overheating of the hardware is no problem. After one hour maximum load (FurMark + Prime95) the graphics and the processor remain at around 80 °C (176 °F).

Energy Consumption
The switchable graphics make sure the 13-inch device wastes no unnecessary power. With 10 to 17 Watts the consumption during idle is slightly above the Asus UX32VD with a 1.7 GHz Core i5-3317U and a GeForce GT 620M (6-13 Watts). ASUS F75A1 Battery Under load the VivoBook U38DT is more frugal (42-52 Watts against 45-61 Watts).

Battery Runtime
The non-removable battery has a capacity of only 48 Wh and the runtimes are very limited. Under load and with maximum brightness the battery keeps the device running for 1.5 hours, with wireless Internet browsing and medium brightness just under 4 hours are possible. The result of the idle test is not listed because of some strange values (Battery Eater seems to be always assigned to the Radeon HD 8550M). ASUS F75V adapter A DVD test was not performed due to the lack of an optical drive.

If you overlook the limited port equipment and the annoying throttling (multi-tasking reduces the CPU clock to 900 MHz), Asus made almost everything right with the U38DT-R3001H.

The main attraction is the very stylish and very lightweight metal case (only 1.55 kg/~3.42 pounds). Such a high build quality usually cannot be found in devices less than 1000 Euros (~$1365). Apart from some small details the input devices are also very good. ASUS F75VD Battery The manufacturer shows no weakness with the display either. The matte HD panel offers decent to good values.

Considering the low notebook height (less than two centimeters/~0.79 inches) we find the performance reasonable. Further positive aspects are the moderate temperature and noise levels. Even under heavy load the 13-inch device does not get excessively loud or warm. The included notebook bag helps to overlook the missing driver and recovery DVDs. ASUS F75VD1 Charger The battery runtime could have been better for our taste. Runtimes over 4 hours are only possible with little load and reduced brightness.

All in all we can still give a clear buy recommendation for the U38DT-R3001H. Price conscious users who want a small device with high mobility are at the right place.

Review HP EliteBook 8770w DreamColor Notebook and battery life

The workstation portfolio of Hewlett Packard is extensive. The offering ranges from 15- to 17-inch models (even a few mobile 14-inch models are included). The two smaller workstations, HP EliteBook 8470w and HP EliteBook 8570w, have proven their worth in past reviews. hp WD548AA-ABB Battery Now, we take a look at the HP EliteBook 8770w. The large top model offers a few unique features: the strongest hardware and most extensive configuration options. The large case offers a lot of space and good cooling. Our test model will have to compete with models from HP and other manufacturers. For example, the Dell Precision M6700, the Fujitsu Celsius H920 and Bullman’s E-class are very powerful, 17-inch workstations with many appealing features. hp WD549AA Battery

The HP EliteBook 8770W offers 12 different configurations. The prices start at 1,650 Euros (~$2,202) and end at 5,000 Euros (~$6,674). The variety of available components is as large as the price span. A multitude of Intel Core i5 and Intel Core i7 processors cover the CPU section. Four different professional graphic cards and three different displays make up the graphics section. hp CC03 Battery Next, the configuration lists a variety of RAM modules and storage devices. The OS is Windows 7 Professional, as Windows 8 is currently only available here and there.

Our test model uses an Intel Core i7-3610QM CPU, an Nvidia Quadro K4000M graphics card, 8 GB RAM, a 750 GB HDD, 24 GB SLC cache module, Windows 7 Professional and the infamous DreamColor display with RGB LEDs. The price lies at 4,300 Euros (~$5,739). hp CC06 Battery Replacement

Case

The heavy case is made of different shades of metal which creates an intriguing green-grey color scheme. The tapered sides give the model a slimmer look. The test model weighs 3.92 kg (according to HP – minimum is 3.47 kg with SSD and empty modules). Combined with the 1 kg power adapter, bag and accessories, the set will weigh up to 6 kg. hp CC06X Battery

The high weight translates to high stability, as the various tests of the MIL-STD810G standard will attest. The entire work area, including the hand-rest regions and the keyboard, is sturdy. Only the area around the “Enter” key is prone to bend a little. The hinges do a good job of keeping the screen in position, while allowing the user to open the laptop with a single hand. The laptop base does not rise when it is opened. hp CC06XL Battery The display border can be bent a little, but in comparison to the competition, it is very sturdy.

The bottom of the laptop is a mix of synthetic material and metal. The battery is placed at the rear, secured by a slide mechanism. A second slider unlocks the large bottom flap which hides most of the hardware. Thankfully, the user will not have to remove any screws. The rubber feet are placed directly onto the case. hp CC09 Battery Replacement

Communication
The EliteBook 8770w is equipped with everything the heart desires. Sadly, the selection is slightly limited for the test model with the DreamColor display – no HSPA or LTE modem can be combined with our model. The WLAN connectivity is provided by Intel’s Centrino Advanced-N 6205 module. This module has two antennas and operates at the 2.4 and 5 GHz frequencies (theoretically up to 300 Mbit/s). hp HSTNN-CB2F Battery Although this module supports Intel’s Wireless Display technology, HP does not seem to have activated this function. Bluetooth 4.0, a 720p webcam and Gigabit LAN round off the interesting package.

Security
HP includes an extensive security packet for the EliteBook. Trusted Platform Module 1.2, fingerprint sensor, BIOS password, facial recognition, Smart Card reader and Computrace Anti Theft secure the laptop. These various features are controlled using HP’s Security Manager ProtectTools, which can be found in the Control Panel. hp HSTNN-DB2F Battery Additional information about notebook security can be found in our FAQ.

Accessories
As is typical, HP does not include accessories for the EliteBook 8770w. However, the manufacturer does offer a multitude of accessories for the workstation. Various optical drives, hard drives, SSDs and an empty module are offered for the Upgrade Bay. The HP Upgrade module includes a 750 GB hard drive (H2P66AA – 224 Euros, ~$299). hp HSTNN-E04C Battery A battery can not be installed in the slot like in the Dell Latitude E6530. HP’s docking solution is also interesting. The HP Advanced docking station (2 x DVI and 2 x DisplayPort) can run up to 5 displays (AMD Eyefinity). Our test model can control up to 4 displays thanks to the Nvidia Quadro K4000M.

Maintenance
The large maintenance flap uses no screws. Thanks to the slide mechanism, it can easily and quickly be removed. This grants the user access to the most important hardware components. Although the cooler fan is half-covered, it is possible to clean it. hp HSTNN-F08C Battery The two RAM slots on the bottom are empty and offer room for upgrades. Two additional slots under the keyboard require more effort to find, but are important if the user plans to install more than 16 GB of RAM. Two regular slots and the Upgrade Bay are available for the storage devices. Although the second slot is empty in our test model, we did not receive a disk frame or screws in the delivery. hp HSTNN-F11C Battery Replacement

Performance

The performance of the HP EliteBook 8770w is at the typical workstation level. The CPU is a quad-core Intel Core i7-3610QM, which offers enough performance for many different scenarios. The Intel HD Graphics 4000 IGP (Integrated Graphics Processor) cannot be used. The manufacturer compensates by providing the Nvidia Quadro K4000M-GPU, which has good performance and scores well in all areas. hp HSTNN-I90C Battery

The RAM amounts to 2 x 4 GB (entry-level), but it can be quickly upgraded to 16 or 24 GB using the two empty slots. The models with the quad-core CPU can support up to 32 GB. The dual-core CPUs are limited to two slots (16 GB). The storage device is a combination of a 750 GB HDD in RAID 0 with an Intel 24 GB cache module. This hardware may appear to be quite meager given the price tag of 4,300 Euros (~$5,739), but as HP asks for an additional 955 Euros (~$1,274) just for the DreamColor display, the price seems to be appropriate. Charger hp HSTNN-I91C

Processor
The Intel Core i7-3610QM-CPU is used in different notebook classes and can be described as the “bread and butter” CPU. Hyperthreading and TurboBoost technologies allow the CPU to offer the maximum possible performance at any time. In Cinebench R10 64 bit, the processor scores 5,559 (Single) and 21,357 (Multi) points. Additional numbers can be found in our CPU benchmark list. hp HSTNN-LB2F Battery

In the practical test, the CPU achieves 47.1x speed in the iTunes audio conversion (typical single-thread task). Pure CPU video conversion using Cyberlink MediaEspresso places the Intel Core i7-3610QM near the top of the benchmark list. However, a few faster processors manage to beat it to the throne.

On battery, a 30% performance drop is to be expected. Cinebench R11.5 (Multi) was run by the CPU at 2.3 GHz instead of 3.1 GHz. Thus, the result drops from 6.2 to 4.5 points. Charger hp HSTNN-LB2G

CPU throttling did not crop up even after multiple hours of high load on the CPU and GPU. The CPU ran at a constant 3.1 GHz (multi-core load).

System Performance
The system performance takes all hardware into account. This section reveals that the workstation is very balanced. Only the storage devices, despite the Intel cache module, slow down the system slightly. The cache module enables quicker start of programs and the OS, thus making the daily work more fluid. hp HSTNN-LB2H Battery Of course, this module cannot hope to reach the speeds of a full-sized SSD, but it serves as a slower alternative. PC Mark Vantage records 11,265 points on the HP EliteBook 8770w, while PC Mark 7 offers 4,360 points. These are very good results and indicate no limitations while using any program.

Storage Solution
HP offers a variety of possible combinations of storage devices for the EliteBook 8770w. Theoretically, up to four drives can be installed as the laptop has an mSATA slot, two regular slots and the modular slot. hp HSTNN-LB2I Battery We have a regular 750 GB hard drive from Seagate in the test model. The HDD operates at 7200 rpm and is combined with an Intel SSD cache module. This duo is set in the RAID 0 connection. The cache memory is made of single-level chips and can be found in the mSATA slot.

The test results are sobering. The maximum transfer rate of 116 MB/s and an access time of 15 ms is only a good result when compared to traditional HDDs. However, the programs and the OS start faster. hp HSTNN-OB2F Battery Other supported RAID configurations (depending on the number of drives) are RAID 1 and RAID 5 (minimum of 3 drives required). The combination of an SSD (for OS and programs) and the traditional HDD (for data storage) is possible with the EliteBook 8770w thanks to the two regular drive slots.

Graphics Card
The professional Nvidia Quadro K4000M GPU is one of the most powerful graphics processors available for professionals. It is only topped by the Nvidia Quadro K5000M. The GPU has a 256 bit memory interface, 4 GB of dedicated GDDR5 graphics memory and operates at 600 MHz.hp HSTNN-OB2G Battery In comparison to consumer graphic cards, the GPU offers performance at the level of an Nvidia GeForce GTX 670MX. The Intel HD Graphics 4000 IGP of the processor is not used. This means that the user cannot make use of features like Intel’s Quick Sync technology for conversion. Additional information about the IGP can be found here.

The traditional graphic benchmarks like 3D Mark Vantage, 3D Mark 11 and Cinebench 11.5 OpenGL Shading deliver 15,362, 3,673 and 70.87 points. hp HSTNN-OB2N Battery These are high results and indicate high performance for regular 3D tasks.

The strength of the Quadro GPUs is the special BIOS and the Quadro graphics driver, which is optimized for professional applications. This allows the GPU to score high scores with professional applications, especially CAD programs, unlike conventional GPUs of the GeForce series. hp HSTNN-UB2F Battery A strong competitor of the Quadro GPUs is the AMD FirePro series which have the same purpose. We used the SPECViewperf.11 benchmark to record the performance of the professional GPUs. This benchmark runs a selection of CAD programs in different modes at a resolution of 1920×1080 pixels. Although the Quadro K4000M has higher performance on paper, there are few sections of the benchmark where it could show it. hp HSTNN-W81C Battery For Lightwave, Maya and Solidworks especially, the supposedly weaker AMD FirePro M6000 is a better choice.

The results (especially in the professional tests) depend heavily on the driver used. A new driver can change the score considerably. We used the standard graphics driver installed by the manufacturer and the latest update of November 2012 (306.96) posted by HP. The SPECViewPerf.11 results are nigh identical. With Lightwave and Siemens NX, small improvements are noticeable, but the Pro Engineer ends slightly lower. hp QK639AA adapter

We use the Luxmark 2.0 benchmark to check the OpenCL performance. The benchmark checks the ray tracing properties of the GPU (light/shadow processing of 3D objects). In the Sala test, we record 221 points and 101 points in the Room test. It is quite hard to place the GPU on a ranking list as we currently have few results for comparison. Still, in comparison to an AMD GPU, a significantly weaker ray tracing performance is noticeable. hp QK640AA Battery

An additional use of the GPU is the video conversion using the CUDA engine. For this test, we will employ the media converter, MediaEspresso from Cyberlink. Our two test videos were processed relatively quickly with a CPU load of 12-16%: 98 and 134 seconds. Thanks to the transfer of the processing to the GPU, the system has enough processing power left over for other tasks. hp QK642AA Battery

On battery, the performance is reduced by around 40%. The GPU runs at a much lower 270 MHz. In Cinebench R11.5 OpenGL Shading, the laptop scores 42 instead of 70 points.

Gaming Performance
The gaming performance of the Quadro GPU is similar to that of equivalent GeForce GPUs. We did not notice any performance drops, graphic errors or other issues using the special Quadro driver. All-in-all, the performance is enough for high to max settings, which allows the user to enjoy a full gaming experience. Only in Total War: Shogun 2, Anno 2070 and Battlefield 3 does the workstation struggle with the FullHD resolution and max settings. hp QK643AA Battery

Noise Emissions
While idle, the noise emissions are dominated by the HDD: relatively loud at 32.7 dB(A). However, the HDD is only audible when the user switches off the “Fan always on” option in the BIOS. Otherwise, the cooling system drones out the storage device with its constant 34.4 dB(A) (even the HDD clatters during data access – 33.5 dB(A)). hp ST09 Battery

At medium load, the emissions rise to 40.9 dB(A) and at full load, the user has to bear an annoying 50.6 dB(A). At this level, the workstation is fully occupied and cannot be used for any other task. In everyday life, full load like this (we used Furmark and Prime95 simultaneously) is hard to find. While running SPECViewperf.11, we recorded 41.2 dB(A) and during the CUDA video conversion, the emissions were a comfortable 37.9 dB(A). HP 671277-171 Charger High-frequency noises or an uncomfortable fan operation were not issues which popped up in our test.

Temperatures
HP keeps the surface temperatures under grip. Even at full load, we did not measure more than 45.1 °C on the bottom. This would not be comfortable for use on the lap, but that is not a desired operating mode for the 8770w. However, on the table, this is an acceptable temperature level and indicates a well-working cooling system. The HP EliteBook 8770w uses a single fan, unlike the Dell Precision M6700. HP 671518-800 Battery We did not notice any negative aspects of this choice. The hand-rest regions stay under 30 °C – comfortably cool. None of the other work areas reach high temperatures. At low load, the temperature emissions range from 30 to 34.2 °C. If the “Fan always on” option is turned on, the system stays at 25 – 29.3 °C. The interior of the laptop does not hit any critical levels. Throttling? None. HP 671602-001 Battery

Energy Management

Power Consumption
The power consumption is a minimum of 24.7 W – a large disadvantage of the HP EliteBook 8770w. As only the Nvidia Quadro K4000M can be used, there is no way to lower the idle or low load power consumption (by using the Intel HD Graphics 4000 and turning the dedicated GPU off). The power consumption rises up to 40.7 – 149 W (max) depending on the load and power profile. hp 671567-831 Battery The display brightness itself contributes 10 W (difference between minimum and max brightness). CUDA video conversion requires around 83 W. The power adapter has a 230 W rating and we did not notice throttling of the power adapter.

The 75 Wh battery offers standard capacity for a business notebook. However, this will not suffice for the power-hungry workstation and results in short runtimes. The battery life would have been far shorter had the performance not been reduced on battery mode. Theoretically, a max of 3 hours and a minimum of 30 minutes would be possible. hp H2L56AA Battery

The actual results reached by Battery Eater Reader’s test (“Power Saver” profile), minimum brightness, modules off) are 4 hours and the Battery Eater Classic test (“High Performance” mode, max brightness, everything on) records 1:30 hours. The realistic WLAN test (159 cd/m², “Power Saver” profile, wireless modules on) and DVD playback test (max brightness, wireless modules off, “Power Saver” profile) record around 2 hours of battery use. hp H2L55AA ABB Charger

The battery life can be extended a little, by purchasing a stronger 83 or 100 Wh battery from HP. Together with the standard battery this will extend the run time to 4 – 5 hours.

The HP EliteBook 8770w impresses us in all workstation ratings. CPU and GPU performance are top class and will suffice for almost any possible scenario.

The connectivity is extensive and offers a flexible use of the interfaces. The positioning of the ports is not so good, as most of the important interfaces are placed up front, right in the middle of the work area. hp HSTNN-LB3N Battery

The possible upgrades are many. The bottom flap does not use screws and is easy to remove. Once removed, it grants the user access to a variety of empty slots which can be used to upgrade the workstation in many ways.

The undisputed highlight of this workstation is the DreamColor display. Except for the tiny blue strip at a remote location, we have nothing to complain about. The color space coverage, contrast, brightness and viewing angles of our test model are hard to beat. hp HSTNN-LB3P adapter

In short, the HP EliteBook 8770w offers high performance and connectivity, but the user has to accept severely limited mobility. The battery life is around the 2 hour mark and the relatively high weight and case size further limit mobility. Noise emissions of a high-performance workstation, such as this one, are expected to be quite high. However, our test model operates at an unnecessarily high level, which can be changed in the BIOS.

Review Acer Aspire TimelineU M3-581PTG Ultrabook and battery life

2013 is the year for touchscreen Ultrabooks – that is what chip giant Intel and manufacturers like Asus and Acer claim. The goal is to boost the sale of Windows 8 laptops and to make these mobile devices more user-friendly. Acer TravelMate 3270 Battery

After testing the HP Spectre TouchSmart 15 and the Toshiba Satellite U920t-100, we now turn to the Acer Aspire TimelineU M3-581PTG. This test model has a chance to show what it has to offer in our in-depth review. The 15-inch laptop carries a 1,000 Euro (~$1310) price tag and runs on the Intel Core i5-3337U, which, combined with 4 GB RAM and a large 256 GB SSD, ensures fluid program performance. Thankfully, unlike many of its competitors, our test model is equipped with an optical drive and a dedicated GPU. Acer TravelMate 3270-6569 BatteryThe recently released Nvidia GeForce GT 730M is ready and eager to tackle the newest games and is conservative enough to satisfy the TDP requirements of an Ultrabook. Despite all this hardware prowess, Acer promises up to 8 hours of run time.

The chassis of the TimelineU M3 is similar to its predecessor. Dark black and gray tones still dominate the matte-glossy look, which gives the Ultrabook a luxurious appeal. Thankfully, the glossy surfaces are quite resistant to smudges and the user will only have to worry about cleaning off the dust that accumulates over time. Acer TravelMate 3273WXMi adapter

A thickness of 9.7 mm (~0.38 inches) and weight of 2.3 kgs (~5.1 pounds) makes the M3 much heavier/thicker than its 13 or 14-inch counterparts – this is the price you have to pay for a larger screen. A small border (about 15 mm (~0.59 inches) – on the sides and above) frames the panel and gives a graceful touch to the TimelineU.

Acer TravelMate 3274WXMi Battery Acer primarily used metals for the M5 series, but our test model consists heavily of synthetic materials. Overall, the sturdiness is quite high, but in the usual problem areas, like above the DVD drive, weak points can be found. The display cover uses an aluminum alloy, which offers great sturdiness. We would also like to praise the stiff hinges, which do a good job of keeping the screen stable.

The good workmanship is tainted by a flaw in our test model: the front and back of the display are not properly fused together. This results in a sharp gap on the top left edge that is a few millimeters long. Even if our test model is just a single bad egg, we expect more of a laptop, which carries such a high price tag. Acer Travelmate323x Battery

Communication
The Qualcomm module (formerly known as Atheros) of our test model is named the AR5BWB222. This entry-level model only supports IEEE standards 802.11b/g/n and thus cannot access any of the networks operating at the 5-GHz frequency. In addition, the maximum transfer rate is limited at 150 MB/s, as the module only operates in single stream (1×1). Looking past these limitations, we found the module to establish and maintain stable connections and have good range. The TimelineU also supports Bluetooth 4.0 + HS. Aspire 9100 Battery

An integrated 1.3 MP webcam is provided for taking pictures and video. However, the meager quality of these captures will make few users happy. Even in comparison to the other poorly equipped competitors, our test model has poor picture and video quality. The clear microphone does a much better job and the user will hardly require an additional headset.

Accessories
The delivery of the notebook includes a 65 W power adapter and the typical brochures. The included dust cloth will go a long way in keeping the touchscreen clean. The M-Disc DVD is a nice extra: it can be written on with the internal burner and read by any DVD drive. According to the manufacturer, it can last up to 1,000 years.

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The preinstalled Windows 8 is filled with a multitude of Apps, the majority of which are hardly useful. A clean installation is recommended. Most of these Apps are demos or mini games like “Cut the Rope”, which are essentially provided to test out the touchscreen.

Keyboard
Thanks to the wide 15-inch case, the manufacturer has enough room for a chiclet keyboard with an integrated numeric pad. The gray 15 x 15 mm (~0.59 inch) keys have a comfortable surface, but lack lighting. The user will have to get accustomed to the keyboard as it has some unique features, like the left “Shift” key, which is quite small. With the exception of these, the keyboard layout is normal.

The typing feel is satisfying although we would have liked a stronger pressure point and a longer stroke distance. No keys clatter or jam, as may be expected of cheap plastic. Thanks to the high sturdiness and clean workmanship, the TimelineU scores highly.

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Touchpad
In comparison, the touchpad quality is lower. The good dimensions (10.5 x 7.8 cms/~4.1 x 3.1 inches) and good sliding properties are appealing. This touchpad originates from the manufacturer Elan. A serious flaw is the delayed reaction time. The cursor feels sluggish, which makes it hard to navigate accurately and quickly. The touchpad supports all the typical multi-touch gestures (with two or four fingers). These can be configured to suit your personal preferences.

Acer has kept to the current trend by integrating the mouse keys into the touchpad surface. Apparently, the touchpad of our test model was poorly installed: the left key is recognized by pressing down about 1 mm but the right key practically has no stroke distance. Both keys require a lot of force – the user might be better served by an external mouse.

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Touchscreen
The third input device is the capacitive touchscreen, which can recognize and work with up to 10 fingers simultaneously. In previous reviews, we have expressed our feelings on using a Windows notebook with finger input. We believe that it is best for the potential buyer to decide for him/herself how useful a feature like a touchscreen will be. Overall, the input is well-recognized and swiftly executed. Once again, the stiff hinges are a great help as they keep any and all wobbling to a bare minimum.

Display

The touchscreen may be a nice gimmick, but its picture quality is important. Sadly, Acer has picked a relatively cheap WXGA panel, which sports a resolution of 1366×768 pixels – barely higher than the resolution of a good Smartphone. Taking into consideration the display diagonal of 15.6 inches, the pixel density amounts to 100 dpi. This means that the GPU will have less work cut out for it, but the user will be faced with a very limited desktop, not suited for a 1,000 Euros (~$1310) Ultrabook.

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The display has modest brightness. Even at maximum, we measure a mere 203 cd/m², which was evenly distributed over the panel. The TimelineU is suitable for indoor use, but higher brightness levels would have been good – especially for outdoor use.

The manufacturer has cut corners with the panel: instead of a high-quality IPS screen, Acer chooses a TN panel from AUO (B156XTN03). The contrast of 495:1 and black value of 0.42 cd/m² are quite good for this type of display, but they cannot hope to compete with high-class panels on the market. In comparison, the HP Spectre XT TouchSmart 15 (1,400 Euros/~$1834, Full HD, IPS) offers a contrast of more than 800:1.

The Acer Ultrabook is primarily aimed at private users, which makes color spectrum coverage less interesting. The display has strong deviations (Delta E 13.8) and a clear blue tinge. In addition, the relatively small color space cannot cover the sRGB or AdobeRGB spectrums. Most users will not notice any of this as the TimelineU is suitable for easy tasks, like editing holiday pictures.

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Haswell, the Ivy Bridge successor, is due for launch in a few months, which means it is time for Intel to do some spring cleaning and launch a handful of new models, which are often dubbed “speed bumps”. This includes the Core i5-3337U of our test model, which replaces the older i5-3317U. The difference is a mere 100 MHz higher base and Turbo clock speed, which expands the speed range to 1.8 – 2.7 GHz. No additional features, like the support of Hyperthreading or the 3 MB L3 cache, have been touched. The TDP is still similar to that of an ULV CPU: 17 Watts.

The graphics processors of the laptop include the HD Graphics 4000 IGP (350 – 1,100 MHz) and a dedicated GeForce GT 730M GPU. Depending on the application, Nvidia Optimus will use the optimal GPU: simple 2D programs will be run with the conservative Intel IGP, whereas the more demanding 3D games are executed with the GT 730M. The switch between the two is fluid and, most of the time, automatic.

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Acer offers two configurations for the M3-581PTG. The entry-level configuration costs 800 Euros (~$1048) and employs a classic 500 GB HDD, whereas the configuration of our test model costs roughly 200 Euros (~$262) more and includes a 256 GB SSD and 4 GB DDR3 1333 RAM, of which 2 GB are soldered onto the motherboard.

Processor
As the increase in clock speed is minor, the Core i5-3337U cannot beat its predecessor, the i5-3317U, by a large margin. In Cinebench R11.5, we measure a score of 2.49 points – roughly 4% higher. The differences are just as small in the Cinebench R10 (64-bit) benchmark: the TimelineU scores 4,651 and 9,546 points (Single/Multi). Still, the dual-core processor is not to be underestimated: even the 35 W middle-class i5-3210M is only 15 to 20 percent faster. The AMD top model, the A10-4600M, falls far behind our test model. With the exception of a few demanding programs (for example, HD video editing or rendering), the Core i5-3337U is suitable for all modern applications.

• Acer TravelMate 2354LCi Battery
• TravelMate 2354LM Charger
• TravelMate 2354LMi Battery
• Acer TravelMate 2354NLC Battery

Although the TimelineU includes a free 2.5-inch slot, the manufacturer has installed a compact mSATA SSD from Toshiba. The model is the THNSNS256GMCP, which is not sold in shops and probably uses the Sandforce controller. This should be the SF-2281 controller with a 24 nanometer NAND (also from Toshiba). However, as many notebook manufacturers use different sellers, this information can be inaccurate.

In any case, the SSD boosts performance: sequential read speeds of 512 MB/s and write speeds of 359 MB/s (AS SSD). This places the drive at the very top of the market and it even beats the popular Samsung PM830. While dealing with small 4K files, there is no clear champion, but the Toshiba SSD shows its strength in writing (4K-64: 269 MB/s).

System Performance
Thanks to the fast SSD and powerful Core i5 CPU, the Ultrabook shines in PCMark 7. The 4,791 points it scores, places it at the level of competitors like the Acer Aspire S7 (4,824 points), HP TouchSmart 15 (4,414 points) or Lenovo IdeaPad Yoga 13 (4,396 points). This should come as no surprise as the CPUs and storage devices of these different models, which are the deciding factors of the PCMark score, are very similar.

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In everyday use, the TimelineU M3 benefits greatly from its fast flash memory. It has short load times and a quick response time. Windows 8 boots in less than 12 seconds and is practically instantaneously ready.

Graphics Card
The Nvidia GeForce GT 730M, which was introduced at the beginning of the year, is known to us from the Acer Aspire V3-571G. Although the name suggests a new generation, the GPU actually uses the well-known GK107 Kepler chip – which can also be found in the GeForce GT 640M or 650M. The 28 nanometer GPU has a clock speed of 725 MHz and 384 shaders. This is only slightly higher than the GT 645M, but with Turbo Boost, the speed hikes up to 895 MHz. As a result, the 730M is barely slower than the DDR3 version of GT 650M (950 MHz Turbo). This GPU has 1 GB memory (900 MHz, 128-bit DDR3). The standard practice is to provide 2 GB VRAM, but this would not make much of a difference in this performance class.

The result is good: an impressive 2,135 points in 3DMark 11 make the TimelineU M3 one of the fastest Ultrabooks available. The scores from 3DMark 2013 (Fire Strike: 1,168 points) promise great gaming suitability.

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In fact, all the games we tested ran fluidly at the native resolution of 1366×768 pixels. There were differences in what detail settings we had to use: while the relatively less-demanding Diablo 3 or Dishonored could be run with max settings and active AA at frame rates above 60 fps, games like Battlefield 3 had to be run at medium settings. A heavier drop in the graphics settings was necessary only for a handful of very demanding games, like the recently released Crysis 3, which did not run perfectly at medium settings. This confirms our previous assertion: the GT 730M is just shy of the GT 650M in terms of power.

Noise Emissions
While idle, the fan of the Ultrabook runs constantly and emits between 31.7 and 31.9 dB (A). This level of noise emission is not distracting, but it is noticeable in quiet surroundings. The emissions rise a little more while surfing (occasionally turning up to 34.8 dB (A)) or playing a DVD (36 dB (A)). Thanks to the SSD, the annoying access noises of a traditional HDD are not present.

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• Acer TravelMate 2355LM Charger
• Acer TravelMate 2355LMi Battery
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At load, the powerful graphics card forces the fan emissions higher: 41.2 to 41.4 dB (A). If we take into consideration the power of the hardware, we believe this to be an acceptable level of emission. In fact, it is not much louder than other Ultrabooks that lack a dedicated GPU. In comparison, the HP Spectre XT TouchSmart 15 emits 35.2 to 44.2 dB (A).

Without load, the surface temperatures barely reach the 30 degree (86 degrees Fahrenheit) mark, which indicates great energy management in the TimelineU. This does not change when performing normal, everyday tasks and the user can keep the notebook on his/her lap.

The situation at full load is less appealing, especially near the back right side, where the ventilation opening is placed – here the temperatures can rise up to 57 °C (134.6 °F). The hand-rest regions and the “WASD” area (which holds interest for gamers) remain relatively cool – this is useful in summer.

Like many of its competitors, this Acer model suffers from throttling. In our stress test, the CPU temperature reached up to 95 °C (203 °F), which brought about a drop in the clock speed to 1.3 GHz. After the cores had cooled down, the speed shot back up to 2.5 GHz and the circle repeated itself. However, it is important to note that such a full load situation was simulated using the synthetic benchmarks Prime95 and FurMark. In real applications and games, no throttling is present. The graphics chip constantly runs at its max clock speed of 895 MHz and heats up to a max of 81 °C (177.8 °F).

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The front of the notebook houses two stereo speakers, which have a significant maximum volume. Music and movies sound clear (above average) and the speakers only lack bass. The various equalizer settings do little to change that, but we like the “Music” preset best.

External speakers can be connected digitally via HDMI or using the classic headphone jack. The latter offers good signal quality but not enough for high-impedance entertainment headphones.

Power Consumption
Thanks to Optimus, the TimelineU consumes 6.0 – 7.7 W while idle. This is very similar to other Ultrabooks.

This changes once the GeForce GT 730M kicks in. The consumption of 56.5 W in 3DMark 06 and up to 67.4 W in the stress test (fluctuates) exceeds that of the competition (at least those which lack a dedicated GPU) by 25 to 30 Watts – precisely the consumption of the GPU. The 65 W power adapter is only barely capable of supplying the necessary juice to the laptop.

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• Dell Inspiron 1427 Battery
• DELL Vostro 3350 Battery

Battery Life
The integrated Lithium-Polymer battery has a capacity of 54 Wh and, according to Acer, delivers up to 8 hours run time. This is not an exaggeration: although the Battery Eater Reader’s Test (minimum brightness, “Power Saver” profile, WLAN off) could not be forced to use the conservative Intel IGP, the laptop lasted a good 7 hours and 35 minutes.

When we adjusted the brightness (around 150 cd/m²) and surfed online with the WLAN, we found the run time to be 6 hours and 17 minutes. In this practical test, the M3 exceeds many other Ultrabooks, which can only offer 4 to 5 hours.

Although Acer does not limit the CPU or GPU on battery, the test model lasts an impressive 2 hours and 16 minutes in the Battery Eater Classic test (max brightness, “High Performance” mode, WLAN on, running on battery). Demanding 3D games will drain the battery much faster.

Multi-faceted but with weaknesses – this would be an appropriate description of the Acer Aspire TimelineU M3-581PTG. Thanks to the powerful Nvidia GPU, the Ultrabook can run the newest games without problems. The Core i5 CPU and the fast SSD do their part in giving the system good performance. The resulting power consumption and noise and temperature emissions cannot be avoided.

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• Dell Inspiron 1750 Battery
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However, the real weakness of the laptop is a different area. The glossy display makes it hard to use the laptop outdoors. The touch feature raises the question: is it really necessary? The user might have been better served by a high-quality IPS panel. Still, this is a matter each potential buyer has to decide for him/herself.

Other small flaws are also noticeable. We expect more from a 1,000 Euro (~$1310) Ultrabook. These flaws include a spongy and poorly installed touchpad and workmanship errors on the display cover. Let us hope that this is an isolated case, as our test model does originate from a reseller. If you are looking for a long-lasting Ultrabook with a touchscreen, optical drive and a fast graphics card, our test model is a prime option.

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Review Acer Aspire E1-571G Notebook

A frequent question asked when buying a laptop for around 500 Euros (~$651) is whether an Intel or AMD processor should be installed. In this price range, only few manufacturers offer strong processor from Intel’s Core i-range and they are partly energy-efficient ULV processors that only provide limited power.Acer BATCL32 Battery Intel’s Core i3-3110M from the latest Ivy Bridge generation lets Acer’s Aspire E1-571G virtually stand out among the affordable entry-level laptops as a unique selling point. It also includes an Nvidia GeForce GT 620M that should have enough power to render up-to-date games in low details.

However, Acer’s Aspire E1 range can also be configured. Buyers who want to invest less can opt for an Intel Pentium processor alongside the integrated Intel graphics card for less than 400 Euros (~$520). Those looking for more power can opt for Intel’s Core i5-3210M besides more storage capacity for roughly 600 Euros (~$781), which is also an interesting offer. We have already tested a laptop based on the same chassis dubbed Acer Aspire E1-531. BATCL32L Battery

There is enough competition among low-budget devices; even Sony has a Vaio for less than 500 Euros (~$651) in its range, although the manufacturer is specialized in stylish designer devices. Affordable devices are sooner expected from Packard Bell, but the manufacturer belongs to Acer and sends in a test device that features an Intel Core i3 from the second generation. As mentioned, Dell wants to satisfy buyers looking for long battery runtimes with the Inspiron 15R featuring energy-saving processors. Samsung’s NP355V5C-S05DE costs a bit over 500 Euros (~$651) and is completely based on AMD components. Smart-savers can also find something by HP and Asus in the form of AMD-based laptops for less than 500 Euros (~$651).

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Plastic, plastic, plastic – Acer does not offer more for this price. The display’s glossy-black lid is comprised of plastic, just like the wrist-rest in silver-gray and the keyboard’s matte rim. Acer gives the Aspire E1-571G with basic, elegant looks that should not put anyone off. Fans of flashy design details will have to look elsewhere because a rather serious contour prevails here, which is not unusual but quite appealing.

We quite like the build-quality. Apart from the keyboard that yields, the casing makes a very rigid impression. Even the single plastic parts are joined well and no uneven transitions are felt. The display’s lid could be a bit stiffer but no miracles should be expected for 500 Euros (~$651).

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Users who place great value on exceptional design will be better off with Samsung, which offers a pink lid as an option. Dell also offers various metal surfaces in different colors for its Inspiron 15R. Sony is very traditional in both build and design and maintains these qualities in the low-budget sector. The Aspire E1-571G remains unobtrusive.

Communication

Not every laptop from this price range sports a Gigabit Ethernet adapter such as Acer’s Aspire E1-571G. However, all devices used for comparison feature Wi-Fi standard 802.11 bgn like our Acer test laptop. Our test device also scores in Wi-Fi transmission. The reception did not weaken even at a distance of 10 meters and 3 walls to the router. Acer’s Aspire E1-571G does not feature Bluetooth, which is unfortunate when the user wants to link a phone with the PC or owns a Bluetooth headphone. However, HP and Asus do not include this wireless interface either.

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• Acer BTP-AS2000
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Software

The 64 bit version of Windows 8 is installed as the operating system. The additional program dubbed “Acer Power Button” is a practical improvement of the operating system. The laptop can be shut down, put to sleep, etc. directly from the desktop.

Besides a bit of annoying adware from eBay or LoveFilm, there is also convenient software, such as Acer Cloud which allows accessing stored data even in remote places. Smaller additions, like EverNote, Skitch and the social media hub “Social Jogger” complete the bundle.

Warranty

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Acer includes a 2 year bring-in warranty on the Aspire E1-571G. In case of damage, the laptop has to be sent to the manufacturer. An “International Traveler’s Warranty” is also included. The laptop can be sent to a service point anywhere in the world when traveling for 12 months after purchase. Only the shipping costs within the country are due.

It is also possible to upgrade the warranty via Acer’s online shop. For example, a one year warranty upgrade costs 79 Euros (~$102). This investment could be worthwhile despite the laptop’s low price if the user want to be on the safe side.

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• Acer AS10D3E Battery
• Acer AS10D41 AS10D51 charger
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Keyboard

Big keys, a dedicated number pad and the entire surface covered by keys – the keyboard of Acer’s Aspire E1-571G looks stylish with its square keys. However, typing on the keyboard is not as compelling. The keyboard is very bendable and features a spongy typing feel. The big surface of the single keys compensate for the small gap between the keys.

Special keys, such as for volume control, are not available. These functions are accessed using FN key combinations. A highlight of the keyboard is a dedicated euro and dollar sign key above the arrow keys. They could have been omitted considering the very cramped keyboard and the fact that both signs are on the keyboard anyway.

Touchpad

The touchpad has been nicely integrated into the wrist-rest and is very far left. The scroll area at the right edge is clearly palpable and visible. A key below the touch-sensitive field can be pressed on the right or left and prompts the corresponding mouse click. The keys convey a firm impression when clicked, which is particularly due to the crisp pressure point. The drop of the touchpad’s keys is also well-chosen, so neither too short nor too long and also makes a high-quality impression on us.

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The surface provides the fingers with good gliding traits and multi-touch gestures are supported. The desktop can be zoomed in and out like on the touchscreen of a smartphone, which is very useful in Windows 8. The touchpad key is convenient to use. Left and right clicks are well-separated on the continuous bar.

Performance

For us, one of the most exciting chapters is performance. Can Acer’s Aspire E1-571G stand out from the competition with its Intel Core i3-3110M and the dedicated GeForce GT 620M featuring 1 GB of memory? Smooth workflow, watching movies and the occasional game should at least be possible in low details.

Processor
An Intel Core i3-3310M is installed in Acer’s Aspire E1-571G. It is based on Intel’s latest Ivy Bridge architecture. Unlike the more expensive models from the Core-i range, this processor does not feature CPU Turbo. Consequently, its default clock of 2.4 GHz cannot be increased. This maximum clock was available on battery power or during longer load in our test device and the performance remained constant.

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• Acer 60.49S17.001 charger
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• Acer 60.49S22.011 Battery

Our test device scored as expected when the synthetic Cinebench loads all processor cores. It achieved a clear performance advantage of 10 – 20% over the entry-level Pentium B980 processors in Sony’s Vaio SV-E1712F1EW and HP’s Pavilion g6-2200sg. AMD’s A4-3305M in Asus’ K53-TK is clearly defeated with 50% in multi-core operation. All contenders are quite close in single-core processor load.

System Performance
Our test device also stands out from the competition in PCMark, which rates the system’s overall performance. A large part of this is certainly due to the superior processor. The devices otherwise only differ marginally in performance relevant components.

Acer’s Aspire E1-571G is perfectly equipped for routine use of an entry-level multimedia laptop. Movies in the screen’s native resolution or via HDMI to a Full HD monitor are no problem. Routine work should also run smoothly. The system can be upgraded to 8 GB of working memory if pictures or videos are to be edited.

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• Acer 91.49S28.001 Battery replacement
• Acer BTP-43D1 Battery

Storage Devices
The hard drive in our system is dubbed Toshiba MQ01ABD050. It has a capacity of 500 GB and spins at a slow 5400 revolutions per minute. The hard drive’s capacity is adequate for the price range. Only Samsung’s NP355V5C sports a larger 750 GB hard drive. Asus K53TK is only available with a smaller 320 GB HDD. The access and transfer rates are on an average level. We did not record outliers in either direction. Users who want faster data access can replace the hard drive with an ultra-swift SSD after removing a few screws.

Graphics Card
The GeForce GT 620M ranges in the lower midfield of graphics cards. Consequently, it should be able to render up-to-date games in low details. It might also be necessary to reduce the resolution. The graphics card features a 1024 MB dedicated memory and uses Nvidia’s Optimus to save power. The energy-efficient, processor-integrated Intel HD Graphics 4000 takes care of low load and the GeForce automatically jumps in during demanding tasks unnoticed by the user.

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• charger ACER TravelMate B113M
• ACER TravelMate B113-M Battery
• ACER TravelMate P633 charger

The graphics card’s power was not throttled even after longer load or on battery power. It maintained its full clock rate of 625 MHz. Our test device was approximately on a par with the contenders, which exclusively use AMD graphics cards, in 3DMark 06. Only Dell’s Inspiron 15R scored by about 20% higher with its newer AMD Radeon HD 8730M.

Just how suitable is the Intel Core i3 processor and the lower midrange graphics card combination for gaming? Our test shows that the stronger processor gives our test system a small advantage in some games. However, the performance is largely dependent on the GeForce GT 620M. It can render many up-to-date games in medium detail settings as long as the games are not exceptionally demanding.

Stuttering may occur when the screen gets too crowded in Anno 2070 and Diablo 3 still runs smoothly even in high settings. However, the performance gets tight when too many monsters occupy the screen here as well. Thus, it is recommendable to select a lower detail level to really experience a stutter-free game. These games can usually be played in the native resolution because the screen’s resolution is fairly low.

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• Acer Aspire 303x Battery
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Overall, Acer’s Aspire E1-571G is on the same performance level as the other entry-level laptops. The better processor can only squeeze out minor performance advantages in games. Users who want to play in higher resolutions and with more details will have to invest a few hundred Euros more and opt for a laptop featuring a Radeon HD 7730M, GeForce GT 640M or higher.

System Noise

Acer’s Aspire E1-571G has to be stressed to quite an extent before it becomes audible. The fan virtually whirs silently with a maximum of 32.5 dB and is sometimes completely inactive during very little load. Our test device’s noise increased up to an audible 43.2 dB when it was really loaded, but it remained within a still tolerable range.

It is also pleasant that the DVD drive does not get too loud with 35.8 dB when playing a movie. Generally, the noise from the Acer Aspire E1-571G is quite within the common range for this category and will likely only disturb very noise sensitive people when loaded.

Temperature
The temperatures also remain on a good level. The laptop’s center only warmed up to 40.8 °C during longer load, which is only a slight warming. The fact that the wrist rest heats up in low load is not as pleasant. However, it remains within a tolerable range. Sony’s Vaio SV reaches much higher temperatures despite its larger casing. All other devices stay on the level of Acer’s test device.

• Acer Aspire 3200 Battery
• Acer Aspire 32xx Battery
• Acer Aspire 3600 adapter

Speakers
A good sound is vital for a multimedia device. The competition partly installs brand name speakers, such as Altec Lansing (HP and Asus), but with quite varying outcomes. Acer’s Aspire E1-571G manages to extract a decent maximum volume from both no-name speakers located above the keyboard. The sound is also quite balanced and good for laptop conditions, although the low ranges are virtually non-existent like in most cases. Users who like to listen to music on their laptop should prefer external speakers or a headphone. The sound output via the audio port was flawless in our test device.

Power Consumption

Acer’s Aspire E1-571G drained a maximum of 55.4 watts from the outlet and quite clearly places itself as an energy-saver before the Samsung and HP contenders, which are not as strong. It is not due to the power supply unit. The handy power adapter from LiteOn supplies 90 watts when necessary, which seems a bit oversized for our test device.

The device proved to be modest and consumed a maximum of 11.5 watts during little load. The device still consumed 0.2 watts from the outlet when it was turned off and 0.5 watts in energy-savings mode. Dell’s contender proves to be the leader and only consumes 0.1 watts when turned off and 0.2 watts when idling.

Battery Runtime
The battery runtime of our test device is also on class level. The 44 Wh battery, which can be removed using a pointy object, provides a runtime of up to 8:20 hours when it is hardly loaded and all communication modules are disabled. Acer is fair and states a runtime of 4:30 hours on its website, which corresponds to a much more realistic measurement. For example, we almost achieved this exact runtime while surfing on the internet. The runtime should also be enough for watching two DVDs. Almost 2 hours of work is possible when Acer’s laptop is fully loaded.

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• HP MU06
• Toshiba PA3780U-1BRS battery
• Toshiba Tecra A10 battery
• ACER TravelMate 4750 Battery
• toshiba satellite c650-19j battery
• HP 614565-721 battery
• Dell Studio 1749 adapter
• Compaq Presario CQ71 battery
• Fujitsu Stylistic LT P-600 battery
• Dell Vostro 1720 battery
• Lenovo L11S6Y01
• Acer AP12A3i

Acer’s Aspire E1-571G is a solid entry-level device that does not exhibit any major weaknesses. However, it does not feature any highlights like the competition sets in one way or another. Fans of design will be better off with devices from Dell or Sony. Samsung offers more interfaces and HP’s Pavilion g6-2200sg sports better speakers, which is not unimportant in a multimedia device.

Acer’s test device can score with a strong Core i3 processor from the Ivy Bridge generation, which makes it 20% faster than the competition in many applications. Even games can be played well in low details alongside its noise development, power consumption and temperature, where the device stays agreeably discreet.

A better screen, more interfaces and a higher quality keyboard would have reaped in a few more points for the device. Nevertheless, the Aspire E1-571G is an alternative for everyone who wants a bit more performance from the entry-level range for their money.

Review Samsung Series 3 355E7C-S05DE Notebook and battery life

The entire casing is black and Samsung completely relies on plastic. The base unit’s top and the lid’s back feature matte, brushed metal looks. The illusion of a metal surface is implemented very successfully. The display’s frame and the keyboard’s bezel are made of a glossy plastic and make fingerprints unavoidable. Packard Bell’s laptop is also completely made of plastic. Toshiba uses aluminum components besides plastic in its Satellite. Hp TPN-W106 Charger

The base unit is not the most stable. It dents when pressure is applied to the area underneath the touchpad and on the keyboard’s left. Also, the base unit’s front right corner lifts from the surface when the frame on the keyboard’s left is pushed down. The base unit’s stiffness could also be better. The same is true for the lid. Its back can be pressed to such an extent that minor picture distortions are seen. The hinges keep the lid firmly in place but rock a bit. It is not possible to open the lid with one hand. Hp TPN-W107 Charger

Performance

With the 355E7C, Samsung has a 17-inch all-rounder in its range. Most tasks are no problem for the device. It easily copes with internet communication, office tasks and video playback. Even up-to-date 3D games are no big challenge for the laptop. The laptop is currently sold for 600 Euros to 700 Euros (~$777 to $907) and is available in other configurations. The differences are found in the installed APU, working memory capacity and hard drive size. The currently least expensive model, featuring AMD A4-4300M APU, 4 GB RAM and a 500 GB hard drive, is available for 490 Euros (~$634). Hp TPN-W108 charger Samsung also sells innumerable other laptops in various sizes and configurations under the name Series 3.

Processor
Samsung’s laptop is powered by AMD’s A8-4500M APU, which is part of the Trinity generation. The APU’s CPU part is a quad-core processor that clocks with a base speed of 1.9 GHz. The clock rate can be boosted up to 2.8 GHz (AMD Turbo Core).

The CPU processes the CPU single and multi-thread tests of the Cinebench benchmarks stably at 2.3 GHz. The scores are on a par with the Satellite (AMD A8-4500M, Radeon HD 7640G + HD 7610M dual-graphics). However, neither contender can compete with the scores of Packard Bell’s laptop (Core i5-3210M, GeForce GT 630M) since it sports the strongest CPU. It is the other way around in the Cinebench R11.5 GL tests. Hp TPN-W109 Charger Both Samsung’s laptop and the Satellite deliver a much better score than the Packard Bell laptop. The dual-graphics solution is stronger than the GeForce GPU at least in this synthetic benchmark.

System Performance
The system runs mostly smoothly and without hitches. The odd delay was noticed when running programs. We assume that this is due to the stuffed Windows installation. Samsung preinstalls many apps and tools. The PCMark 7 score is on a par with the very identically equipped Satellite (AMD A8-4500, Radeon HD 7640G + HD7610M dual-graphics). The score of Packard Bell’s laptop (Core i5-3210M, GeForce GT 630M) is higher than that of the contenders owing to the stronger CPU. 671567-831 Charger

Graphics Card
Samsung installs a dual-graphics solution in the 17.3-inch laptop. That means two graphics cores calculate the displayed pictures. AMD calls this technology Crossfire. The dual-graphics solution could principally be deactivated so that only the integrated GPU is used. The Crossfire array in the 355E7C consists of the integrated Radeon HD 7640G GPU and dedicated Radeon HD 7670M GPU. Both chips support DirectX 11. The HD 7670M is a member of the GPU midrange. More information about the dual-graphics solution can be found on the corresponding data sheet. Hp H2L56AA Charger

The results of the 3DMark benchmarks are on a good level and are marginally better than the scores of the Satellite (AMD A8-4500M, Radeon HD 7640G + HD 7610M dual-graphics). Packard Bell’s laptop (Core i5-3210M, GeForce GT 630M) takes the lead in the 3DMark 2006 benchmark. The CPU has a bigger impact on the score in this test and the laptop with the strongest CPU consequently is at an advantage. The GeForce GT 630M can no longer keep up with either dual-core solutions in the newer 3DMark versions.Hp H2L55AA-ABB Charger The 3D performance of the dual-graphics solution in Samsung’s laptop ranges between the GeForce GT 630M and the latest GeForce GT 730M in the synthetic 3DMark benchmarks (see comparison graph). The gaming benchmarks will reveal whether this is also true in real life.

Gaming Performance
Owing to the dual-graphics solution, the Series 3 laptop can render up-to-date computer games smoothly on the screen in HD resolution (1366×768 pixels) using medium and frequently even high quality settings. The dual-graphics solution only has problems generating adequate frame rates with very performance-hungry games like Hitman: Absolution or Crysis 3. Hp HSTNN-LB3N Charger Games that don’t have such high hardware requirements also run smoothly in the Full HD resolution and maximum quality settings, for example FIFA 13, Call of Duty: Modern Warfare or Diablo 3.

Micro-stutters occur around 30 fps on AMD’s dual-graphics solutions. We noticed these again this time. Generally, the dual-graphics solution’s frame rates were disappointing. They were lower than Toshiba’s laptop in Diablo 3 and Anno 2070. Here it becomes obvious that Samsung’s laptop tends to throttle in high temperatures. This is too bad because Samsung’s laptop should theoretically supply better frame rates seeing that it has the stronger dual-graphics solution. Hp HSTNN-LB3P adapter

System Noise

Samsung’s laptop is not noticed adversely due to excessive noise when idling. We measured rates between 30.8 and 34.4 dB. The fan is often inactive. Packard Bell’s laptop (30.6 to 31.5 dB) is quieter and the Satellite (32.4 dB) is on a par with Samsung’s laptop. The 355E7C did not get very loud during medium load (3DMark 06) with 36.1 dB. The Satellite (38 dB) is louder and Packard Bell’s laptop (34.3 dB) is a bit quieter. Hp HSTNN-YB3N Charger The laptop from Packard Bell is also the quietest during full load with 36.6 dB (stress test via Prime95 and Furmark). Samsung’s laptop (38.7 dB) and the Satellite (40.1 dB) generate more noise.

Samsung’s Silent Mode can be activated should the laptop still be too loud. It reduces the fan’s noise. This mode can be enabled in Samsung’s settings menu. The start icon is located in the task bar. The fan’s noise is reduced by slowing the CPU. Activated Silent Mode reduced the clock rate of all four cores to 900 MHz when Cinebench R11.5 benchmark was performed (energy profile: High Performance). Hp HSTNN-YB3P Charger

The casing’s idle temperatures ranged from 25.8 to 41.2 °C. These rates are too high for idle. This also proves that the fan is often inactive and the heat can accumulate in the casing. The very identically equipped Satellite heats up much less. Surprisingly, Samsung’s laptop produced less heat during full load in the stress test (Prime95 and Furmark run simultaneously) at both the peak as well as on average. We measured temperatures between 25.6 and 40.7 °C. Both contenders are roughly on a par with Samsung’s laptop during full load. Asus A2000T adapter

As already mentioned several times, the 355E7C and Satellite feature very identical equipment. Thus, the CPU and GPU exhibit very similar speeds during load. In AC mode, the CPU started the stress test with strongly fluctuating clock rates (Prime 95 and Furmark run for at least one hour). The processing speed settled to around 1.4 GHz after a short while. There were recurrent fluctuations up to 2.3 GHz and down to 900 MHz. These peaks largely ceased after about 15 minutes. Battery for Asus A2508H The dual-graphics solution ran through the stress test mostly at a speed of 497 MHz in AC mode. It was recurrently accelerated to 655 MHz for a short time. In rare cases, it was slowed to 335 MHz for just as short a time. The CPU clocked stably with 900 MHz and the dual-graphics solution with 335 MHz when the stress test was performed on battery.

We reran the 3DMark 2006 benchmark right after the stress test in AC-mode. The score dropped slightly compared with the laptop’s cold state (7688 points vs. 8493 points). The CPU’s temperature settled to 75 °C in AC-mode. Asus A2514H charger

Speakers
The speakers in Samsung’s laptop are located above the keyboard. They produce a low-bass sound that cannot hide a tinny quality. Speech is clear and intelligible. The sound experience can be enhanced by using external speakers or headphones.

Energy Management

Power Consumption

Battery replacement Asus A2534H The idle power consumption of 11.6 to 17.1 watts is a bit high. The identically equipped Satellite (8.2 and 15.4 watts) and Packard Bell’s laptop (7.6 to 14.2 watts) show better rates. During full load (simultaneous Prime95 and Furmark), Samsung’s laptop is satisfied with a power consumption of 54.5 watts and places itself before the Satellite (61.1 watts) and Packard Bell’s laptop (81.1 watts). However, it should be kept in mind that the CPU in the 3557C, like the Satellite’s CPU, does not clock at full speed (throttling). Asus A2D Charger

Battery Runtime
The 355E7C achieved an idle runtime of 4:22 h. The Satellite (4:03 h) and Packard Bell’s laptop (3:51 h) lag slightly behind that. The idle runtime is ascertained using Battery Eater’s Reader’s test. The screen’s brightness is set to minimum, the energy-saving mode is enabled and the wireless modules are off. Samsung’s laptop finished the load test after 1:11 h and is on a par with the Satellite (1:12 h). Packard Bell’s laptop lasts a bit longer with 1:41 h. We use Battery Eater’s Classic test to determine the load runtime. The screen is set to maximum brightness and the high-performance profile and the wireless modules are enabled. Asus A2C Charger

The Wi-Fi test ran for 2:35 h on the 355E7C. Both contenders (Toshiba: 3:31 h; Packard Bell: 3:06 h) last longer. Websites are automatically opened every 40 seconds in this test. The energy-savings profile is enabled and the screen’s brightness is set to approximately 150 cd/m². Should the user want to use Samsung’s laptop as a DVD player, it is recommendable to have the power supply at hand. Asus A2G Charger One battery charge is enough for a playback time of 2:13 h. The Satellite (2:07 h) is on a par with the 355E7C and Packard Bell’s laptop lasts a bit longer with 2:33 h. The DVD test is performed in enabled energy saving mode (or a higher profile should the DVD not run smoothly), maximum screen brightness and disabled wireless modules.

The batteries of the three laptops have an identical capacity of 48 Wh each.

Samsung sees the 355E7C as a family laptop. We can quite agree with this self-assessment. The laptop convinces with decent application performance and good equipment (high storage capacity, 8 GB of working memory). Even the gaming performance is satisfactory and enables playing most up-to-date computer games. Asus A2H Charger It also pleases with a matte screen and good keyboard. Thus, the laptop can cover many different application fields. On the con side, we have the screen’s moderate contrast and the poor battery runtimes. These points can be tolerated in a 17.3-inch multimedia laptop. Samsung offers potential for saving: Users who are satisfied with a dual-core processor, less working memory and hard drive capacity can attain the 355E7C for less than 500 Euros (~$647).

Asus A2K Charger Although Toshiba’s Satellite L875D-10E features a very similar configuration, there are differences that make it interesting. That would be the three year warranty and the higher contrast screen. Packard Bell’s EasyNote LV44HC-137GE would cater to users looking for an as silent-running laptop as possible and/or a laptop with a higher contrast screen.

TAG: BATTERY FOR LAPTOP . charger ,adapter.replacement battery for laptop

Review Acer Aspire S7-191 Ultrabook

Acer has been struggling for market shares with a few, more or less successful devices since the beginning of the ultrabook era. However, a steady development could be observed. The manufacturer is undoubtedly motivated. HP ENVY TouchSmart 4-1218tu Ultrabook Battery

Alongside the 13 inch Aspire S7-391, Acer now sends its 11 inch Aspire S7-191 into the fight against the exclusive contenders. With a market value ranging from EUR 1300 to EUR 1600 (depending on the configuration) and interesting features, such as the aforementioned 11.6 inch Full HD IPS touchscreen, but also a clip-on battery, which extends the internal battery capacity of 28 Wh by additional 28 Wh when docked, the slim silver unit wants to attract potential buyers. The other components is solid ultrabook fare: In addition to Intel’s Core i7 3517U from the Ivy Bridge generation and 4 GB of DDR3 RAM, a 256 GB SSD storage device is installed. It also awakens eager anticipation because it is a RAID 0 array comprised of two 128 GB SSDs. HP ENVY TouchSmart 4-1220tx Ultrabook Battery The Aspire S5 was designed in a similar concept and was extremely fast.

However, the competition is well-prepared: Asus supplied a very solid ultrabook with its ZenBook Prime UX21A and Apple’s MacBook Air has always been a market leader. Both devices feature a good 11.6 inch screen and the Asus even comes with a similar Full HD IPS screen like in our model. If you are looking for a touchscreen in the ultra-portable segment, Asus’ VivoBook S200-E, Dell’s XPS 12 Convertible or even the bigger Aspire S7-391 might cater to your needs. HP ENVY Dv4 Battery

Like the 13.3 inch Aspire S7, our 11.6 inch model is clad in a very elegant dress. Unlike its bigger brother that was still comprised of magnesium, aluminum and Gorilla Glass II, our test device is based on an aluminum unibody – at least that is how Acer names it. The slim ultrabook does not look like it has been made of one cast because the base plate is magnesium. HP ENVY Dv4t Battery

The S7′s high price range is noticed immediately. Its surfaces feature a very velvety feel. The lid’s brushed surface with a diamond pattern is compelling. The display is behind a touchscreen made of rigid, but glossy Gorilla Glass II. The other surfaces are velvety yet sleek. A nice side effect is that they have a higher resistance for grime and fingerprints than others. HP ENVY Dv4z Battery

As fragile as the slim 12.2 millimeter casing’s clear lines and minimalistic design may look, so rigid and stiff it proves to be in every situation. You will likely be astonished about how light (1.08 kg without secondary battery) the laptop seems the first few times when picking it up. However, the experienced portability became natural for the tester after a while. You no longer think about how or where you should pick it up because it does not matter. HP ENVY Dv4-5200 Battery No creaking noises are heard and nothing warps. The tester often found himself carrying the wide-opened device from one room to another with the left hand while surfing on the Internet via gestures with the right, like a tablet. In the other room, the Aspire S7 was again placed on the table or the lap and used in the usual “laptop” mode, i.e. the keyboard and touchpad were used for navigating. This switch is just as automatic as it is easy. Nothing out of line tears us from the single task – it simply works. HP ENVY Dv4-5300 Battery

This is also because the two tiny display hinges have two stops. The lid can be opened smoothly up to an opening angle of approximately 95° before the second, firmer stop takes effect. The hinges provide a higher resistance from this point in order to keep the display firmly in position during touch use, which works flawlessly. The small Aspire enables flexible options for almost every work position with its maximum opening angle of approximately 145° – including the tablet-like use as described above. HP ENVY Dv4-5214tx Battery

The slim device also reaps in some criticism. Docking the secondary battery is still fairly easy when you have found out how. However, removing it usually ends up with cursing the manufacturer. Both securing screws frequently cannot be removed as easily and the user is usually then faced with a fiddly task.

Performance

Our test device features the configuration for around EUR 1500. It sports a swift, energy-efficient Core i7 3517U (2x 1.9 GHz, Turbo up to 3 GHz) including an integrated graphics accelerator (Intel HD Graphics 4000) and a 256 GB storage device. HP ENVY Dv4-5213tx Battery The latter is certainly a special feature of our little Aspire S7 because it is a fast RAID 0 array of two 128 GB SSDs from Lite-On. It subjectively displayed extremely short booting times in various tests and will very likely also show a good (system) performance in the benchmarks. The DDR3 working memory features a standard capacity of 4 GB.

The competition usually only offers a single solid state drive and will likely be a bit inferior in the write and read rates. If you want a touchscreen in a portable but less expensive device, you will have to be content with the much slower Core i3 3217U (2x 1.8 GHz) in Asus’ VivoBook S200E. Dell’s XPS 12 Convertible test device sported the faster Core i7 3667U (2x 2 GHz, Turbo up to 3.2 GHz), but most of the named competitors will likely use the same processor as in our test device as the maximum. HP ENVY Dv4-5304tx Battery

The initial situation for our comparison test has been explained. Now we will look at whether the slim and elegant device can meet the high expectations placed on it.

The Core i7 3517U inside our Acer Aspire S7 is now actually the standard Ivy Bridge CPU in expensive ultrabooks. We do not say this with disfavor, but with a quite positive undertone. This energy-efficient ULV processor from Intel is the second fastest of its kind with a TPD of only 17 W. HP ENVY Dv4-5305tx Battery In addition to a default clock of 2x 1.9 GHz via different technologies, e.g. Hyper Threading (every CPU core can process two threads at the same time) and Turbo Boost up to 3.0 GHz, it offers everything that an ultra-portable heart might desire in terms of performance (more information here). Thus, it is possible to do virtually everything up to HD video editing with our test device. An exception would be demanding games.

We ascertain the processor’s performance in computing tasks as well as the Turbo Boost’s functionality via Cinebench R11.5. The Aspire S7-191 did quite a good job here. HP ENVY Dv4-5306tx Battery

Although the Aspire S7 slightly lagged behind the identically equipped competition (including the bigger sister model) in the multi-core benchmark, it had a marginal performance advantage in the single-core benchmark. Its Turbo Boost proved to be more efficient and almost never deviated from the maximum frequency with just below 3 GHz. We conclude that the disadvantage in multi-core calculation compared with the equally fast sister model is because our little Aspire S7 gets a bit warmer than the bigger sister model when both processor cores are loaded and which consequently can maintain the maximum Turbo rate without a longer break. HP ENVY Dv4-5302tx Battery All told, we are very satisfied with the processor’s performance.

System Performance
We ran our test device through PCMark 7. In addition to the processor, it is particularly the storage device that contributes to the ascertained system performance. This allows conclusions about the test device’s total application performance in routine use because tasks such as image editing, word processing, Internet surfing, video playback and even a 3D acceleration sequence are simulated and assessed. HP ENVY Dv6 Battery

Like the bigger sister, the little Aspire S7 is compelling in terms of performance. It scores a bit poorer than the previously mentioned 13.3 inch version and Asus’ Taichi 21 in PCMark 7′s total rating. Our Aspire especially lagged behind in the productivity rating.

However, a good overall result was achieved as can be seen below. The ultrabook could surpass its slim main contender, the ZenBook UX21A, by 15% as well as the equally swift MacBook Air 11 by 19%. HP ENVY Dv6t Battery

Gaming Performance
Most games can be played as long as they are not very hardware hungry, such as Battlefield 3. However, they usually only runs smoothly in low settings.

The Aspire S7 range is no exception here, although it usually renders the sequences faster than the named contenders. For example, Anno 2070 could still be played fairly smoothly with 20 frames per second in medium details and a resolution of 1366 x 768 on our test device. Asus’ Taichi 21 using the same processor (Core i7 3517U / HD Graphics 4000) only managed jerky 13 fps. In return, the 13 inch sister model managed 22 fps with the same hardware owing to the somewhat better cooling. HP ENVY Dv6z Battery

The surface temperatures on both the top and the bottom never noticeably surpassed 30°C during normal use (browsing, Office, etc.). Almost all (im) possible working positions are imaginable owing to the cleverly placed vents and the opening angle of approx. 145°. The ultrabook also makes a good impression when used on the lap.

When the laptop is fully loaded for a longer period, like in our somewhat unrealistic stress test, merely the base’s middle upper area heats up extremely to an average of 47.6°C. HP ENVY Dv6-7300 Battery However, this is not distracting because neither the knees nor the fingers touch this area (a gap of about 3 cm is between the key bed and display hinge). The cooling system is beneath that. This design appears well-considered despite the resulting temperatures. We also did not observe throttling, so a reduction of the CPU clock during full load. The clock rate remained stable at its default clock of 2x 1.9 GHz, like in the sister model.

Energy Management

Power Consumption

HP ENVY X2 Battery With 6.2 up to exactly 10 watts, the Aspire consumes a bit more power in idle than the average of comparable, small 11.6 ultrabooks. The ZenBook Prime UX21A is the leader of energy efficiency here with a very low power consumption of 4.6 to 9.6 watts.

However, our test device belongs to the leaders of energy savers with a power consumption of mere 33 watts during full load. There is not a big difference among the exclusive contenders though.

Battery Runtime

Hp 632113-151 Battery Acer’s idea to simply detach a part of the battery capacity is certainly interesting. It was only possible to design the casing this small and slim without accepting losses in hardware or cooling performance by leaving 4 power cells (28 watts) outside of the chassis. A 28 Wh, non-removable battery is also installed in the ultrabook. This equals a capacity of 56 Wh alongside the secondary battery.

Hp HSTNN-F10C Battery Runtimes that are quite comparable with the 11 inch competition are achieved when the battery is inserted. The battery lasted for 1 h 49 min in BatteryEater’s Classic test in full load and enabled Wi-Fi. It was even 11 h 4 min during low load, so BatteryEater’s Reader’s test using maximum energy saving settings (disabled wireless modules, minimum brightness). The ultrabook had to be reconnected to the mains after 4 h 7 min when we surfed on the Internet with a brightness close to 150 cd/m² via Wi-Fi. These are all average rates for compact ultrabooks. Hp HSTNN-I93C Battery However, their batteries usually have a 10 Wh lower capacity. The device does not really manage the available resources extraordinarily well.

The secondary battery has to be removed to carry the little silver ultrabook around in its charcoal black leather sleeve. The battery capacity is consequently reduced by 28 Wh if it is to be left at home. Mere 2 h 30 min were then possible without the clip-on battery in the standardized Wi-Fi test. This is not awe-inspiring for an ultrabook’s overall impression. The competition is also slim and manages runtimes identical to the Aspire but without a secondary battery. Hp HSTNN-IB2P Battery

What is an ultrabook? Is it a slim, rigid and as small as possible chassis including sufficient runtimes, performance or even a touchscreen with 1920 x 1080 pixels? Acer wants to fuse all these qualities in the Aspire S7-191. However, the mass of features first have to be compressed in a 12.2 mm height and an 11.6 inch casing.

This often involves developing interesting ideas. Leaving out half of the battery capacity, which can be docked via a secondary battery when required, adds flexibility and an agreeable slanted position for typing. Hp HSTNN-LB2P Battery However, we were not completely happy with the implementation. Contenders with an identical, if not somewhat longer runtimes, e.g. Asus’ ZenBook Prime UX21A, are a few millimeters higher, but the entire battery runtime fits into the included sleeve. Also, the fiddly mounting of the secondary battery, which will likely soon infuriate some gentle-mannered natures, is needless.

The screen also leaves mixed feelings. Technically, a very good, focused and contrast-rich Full HD screen based on state-of-the-art IPS technology is installed. However, the ideal brightness rates (approx. 400 cd/m²) are only available where we do not need them – namely at the mains. Hp QK641AA Battery You have to cope with just below 190 cd/m² when on the move and that will usually not be able to defy the reflections on the screen in most light conditions.

The touchscreen works properly, but we like the one in the 13.3 inch Aspire S7 more because it can be opened further and lies evenly on the table. It is possible to play a group game that way.

Of course, we are complaining on a high level because the Aspire S7 does a lot of things very well. The flawless, rigid and light aluminum unibody casing, the very compelling application performance and the cooling system that always enables consistent speeds without interruptions or slowing down with its twin fans. Hp VH08 Battery It also stays fairly quiet in everyday use, with exception of gaming.

If you do not need a touchscreen, you will find less compromising ultrabooks in the aforementioned ZenBook as well as in the somewhat slower, yet still great MacBook Air 11. They do not exhibit as many discrepancies or rouse as many questions. They are also EUR 100 – EUR 300 cheaper. If you simply want an affordable, portable laptop with a touchscreen, Asus’ VivoBook S200E is available for a competitive price of around EUR 550, but its performance is weaker. Hp VH08XL Battery

If you are looking for the ultimate versatile 11.6 inch ultrabook, you will have to make compromises in the one or other area. Not only our test device underpins that in this price range, but also the contenders listed in the right column.

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Review HP Compaq Presario CQ58-350SG Notebook and battery life

Case

The CQ58-350sg uses the same case as the CQ58-148sg. For this case HP uses black plastic. The backside of the screen as well as the palm rest have a shiny surface. The rest of the surface is in matte black. The shiny surface is especially susceptible to fingerprints. The cases of the Samsung and Aspire computers are also completely made of plastic. ASUS Eee PC 1025CE Battery

The base-unit only gives in slightly under pressure. However, around the touchpad it can be bent. For a laptop of this price segment, the torsional rigidity is also more than acceptable. While the base-unit is solid, it is a different matter with the lid. It can be noticeably twisted. Especially in the middle it can be pushed in to a point where image alterations can be observed. The hinges keep the lid tightly in its position. It is not possible to open the lid with only one hand. ASUS Eee PC 1015 Battery

Performance

The AMD APU used in the CQ58-350sg is not designed for high performance, but for low energy consumption. However, the processor can handle daily tasks like internet communication, editing, internet browsing and playing videos. Even Full HD videos (1920×1,080 pixels, H.264-coding) can be watched. The integrated decoder (UVD3) carries out the main part of playback. We have tested playback with the DXVA Checker tool and established a CPU usage of 10%. ASUS Eee PC 1015B Battery

The CQ58-350sg is currently available for about 340 to 400 Euros (~$443 to $521). HP sells countless more models inside the CQ58-series – with Intel as well as AMD technology.

Processor
Inside the CQ58-350sg is an AMD E1-1200 APU. The CPU part of the APU consists of a dual-core processor which runs at a speed of 1.4 GHz. There is no turbo available.

The results of the Cinebench benchmarks hold no surprises: The CPU runs through all tests at 1.4 GHz, which causes the results to fall into the expected area. The CQ58-350sg scores lower in the CPU tests than the Samsung laptop (AMD E2-1800, Radeon HD 7470M) and the Aspire (Pentium B960, HD Graphics). This is due to the fact that the HP notebook is fitted with the weakest CPU. In the GL tests, the HP notebook again cannot keep up with its competitors. The only time it can keep up with the Aspire is in the GL test of Cinebench R11.5. Owing to its dedicated GPU the 355E5C always leaves both competitors far behind. ASUS Eee PC 1015BX Battery

System Performance
Basically, the system runs smoothly. It only starts to struggle when the built in APU is overtaxed. This happens, for example, when too many browser windows are simultaneously open. You always have to keep in mind that the advantage of the AMD APU is low energy consumption and it is not classed as a powerful processor. The result of the PC Mark 7 Benchmark lies where we expected to find to after numerous tests of this specific APU. Once again, it is no surprise to find the 355E5C (AMD E2-1800, Radeon HD 7470M) and the Aspire (Pentium B960, HD Graphics) ahead of the HP computer. Both laptops are equipped with more potent hardware. ASUS Eee PC 1015C Battery

Gaming Performance
Those looking for a gaming notebook should avoid the CQ58-350sg. The integrated AMD APU is not suitable for playing current 3D games. The games do not even run smoothly with a low resolution and on low quality settings. Even a game like FIFA 13, which has very low hardware demands, cannot be played. Unfortunately, fitting a second memory module would not increase the frame rate, because the memory control of the notebook only supports single-channel mode.

Those looking for a low-priced and gaming-grade 15.6-inch notebook should have a closer look at the Acer Aspire E1-571G (Core i3-3110M, GeForce GT 620M) or the HP Pavilion g6-2200sg (Pentium B980, Radeon HD 7670M). ASUS Eee PC 1015CX Battery

Communication
The WLAN-module of the HP laptop is from Ralink and supports the WLAN-standards 802.11 b/g/n. The WLAN reception varies tremendously. Even within a close distance (about 3 meters) of the router, the Windows WLAN display swings between two and five bars – depending on how the notebook is positioned. The reason is found inside the laptop: HP uses only one WLAN antenna for its cost-effective notebooks – and this is also the same for the CQ58-350sg. At least two antennas should be used as standard. HP also fails to shine in the area of cable-supported networks, because only one Fast-Ethernet chip was fitted into the CQ58-350sg. A Gigabit-Ethernet chip ought to be included by today’s standards. The webcam delivers slightly washed-out pictures up to a resolution of 320×240 pixels. ASUS Eee PC 1015P Battery

Accessories
Accessories are limited: Beside a quick-start poster, you will find a list of worldwide telephone numbers for HP support and a short manual for Windows 8.

Operating System and Recovery
HP delivers the CQ58-350sg with a preinstalled version of Windows 8 (64 Bit). A Windows DVD is not included. You can make a set of recovery DVDs with the HP Recovery Manager. Alternatively, HP offers the possibility to buy the corresponding DVD. The recovery DVD contains the operating system and also all drivers and preinstalled software. The price is currently about 38 Euros (~$49). The recovery medium can be ordered here. You need the product number of the notebook to order (which is stated on the packaging). ASUS Eee PC 1015PD Battery

In case of a defect, the operating system can be repaired with the help of the Windows 8 recovery system. To start it, you need to press the F11 key right after turning the notebook on. Besides repairing it, you can also set it back to factory settings or reinstall completely. ASUS Eee PC 1015PDG Battery

There is no support from HP if the preinstalled Windows 8 is replaced with Windows 7. HP only offers drivers for Windows 8. Many of the Windows 8 drivers should also operate under Windows 7. Only trial-and-error can show which drivers will work and which won’t. Do not forget: Before deleting Windows 8, make a set of recovery DVDs.

Maintenance
The memory, hard drive, WLAN-module and BIOS battery are behind two maintenance covers. There is no access to the fans. ASUS Eee PC 1015PDT Battery

The CQ59-350sg is equipped with two memory slots. One slot is occupied by a 4 GB module. The memory can be extended up to 8 GB (manufacturer’s information). Even with a second module, the memory does not operate in dual-channel mode, because the memory controller does not support it in this mode. It’s easy to replace the hard drive. Only the fixing screws need to be loosened and the hard drive can be taken out. We had a 7mm hard drive in our test device. However, you can also use the common 9.5 mm hard drives. The frame of the hard drive can be attached to both types. ASUS Eee PC 1015PDX Battery

Warranty
Buyers of the CQ58-350sg have to be content with a 12 month bring-in guarantee. If a repair is required the owner sends the notebook to HP. Buyers of the Samsung or the Aspire laptop are better off. Both devices are equipped with a 24 month guarantee. The guarantee of the HP computer can be extended up to two or three years – including pick-up service. Extensions cost 60 to 100 Euros respectively (~$78 to $130). On HP’s website all guarantee extensions are listed and can be bought in conjunction with the product number. ASUS Eee PC 1015PE Battery

Power Consumption
Since the HP computer only employs an economical AMD APU, the power consumption is rather low. During idle, we ascertain between 7.7 and 12.4 Watt. The power consumption of the Samsung notebook (9.7 to 15.3 Watt) turns out to be slightly higher, while the Aspire (6.9 to 12.8 Watt) roughly draws level with the CQ59-350sg. During medium load (3D Mark 2006 running) or full load (Prime95 and Furmark running), the HP notebook appears to be the most economical with 23.1 to 29.4 Watt. The Aspire (32.6 to 51.6 Watt) as well as the 355E5C (35.2 to 43.9 Watt) are less economical. ASUS Eee PC 1015PEB Battery

Battery Runtime
During idle, the CQ58-350sg achieves a runtime of 8:33 h. The 355E5C (6:07 h) and the Aspire (6:10 h) lie far behind. The runtime during idle is determined by the Battery Eater Reader’s Test. The screen is running with minimum brightness, the energy saving profile is activated and all radio modules are turned off. Under full load, the battery does not quit until 2:15 h. This places the HP laptop behind the Samsung notebook (2:47 h) but far in front of the Aspire (1:13 h). We use the Battery Eater Classic Test to ascertain the runtime under full load. The screen is running with maximum brightness, high-performance profile and radio modules are activated. ASUS Eee PC 1015PED Battery

The more relevant WLAN test ends after 4:22 h. The 355E5C (3:51 h) and the Aspire (3:55 h) have to end their operations earlier. During the WLAN test, websites are automatically opened for 40-second intervals. The energy saving profile is active and the display brightness is set to 150 cd/m². One charge of the battery provides DVD playback time of 3:51 h. Once again, the competitors (Samsung: 3:24 h, Acer: 3:10 h) fail to keep up. The DVD test is conducted with activated energy saving profile (or a higher profile, if the DVD does not run smoothly), full screen brightness and deactivated radio modules. ASUS Eee PC 1015PEG Battery

The HP Compaq CQ58-350sg offers low energy consumption, low case temperature, moderate system noise and good battery runtimes. Despite those advantages, it is difficult to recommend buying this notebook. The low-contrast screen is not very convincing and neither is the twelve-month guarantee. Additionally, latest interfaces are missing from the device (USB 3.0, Gigabit-Ethernet). ASUS Eee PC 1015PEM Battery

If low energy consumption is not the main purchase criterion then there are better notebooks in the price segment of 300 to 400 Euros (~$391 to $521). For example, the Dell Vostro 2520 offers better battery runtimes and much more computing power. The Acer Aspire E1-531 is suitable for when a good display is needed. The Aspire’s high-contrast screen is difficult to come by in this price segment. Anyone who prefers a matte screen should turn to the Samsung 355E5C-S02DE .

10mw Blue Violet star laser pointer pen

10mw Blue Violet star laser pointer pen

• Inventory status : Have in stock
• color :blue violet
• size :13.5mm X156mm
• 7.83 $

Our commitment : 100% Brand New , Factory direct sales , 7 days package returned, Warranty 1 year If there are problems , please contact us.

Product Description

Specification: 
1.Size: φ13.5mm X156mm
2.Material:copper
3.Surface treatment: rubber paint（shell）Electric sand chrome（part）
4.Laser wavelength:405nm
5.Output power:10mw
6. security level: ClassⅢB
7.circuits control: boost constant current circuit
8.Spot form: Punctate+ star
9.Beam type: Continuous linear
10. spot size : 10mm< φ18mm
11.Focus: fixed focus
12.Operating current: low than 60mA
13.Operating voltage: DC=3~3.7V
14. starting voltage: DC=2.6V
15. booting time:0
16.Working temperature:0℃ – 35℃
17. Storage Temperature: -10℃～ 40℃
18 Package: lintbox
19 .Power supply: 2*alkaline cello(including)

Notice:
405nm Wavelength laser (blue-violet light) is very dark, if you need brightness laser pointer, please choose the red laser or green laser.
1.Do not look into the aperture of the laser beam,and do not aim into eye!
2.Do not repeat to switch the laser pointer within 1 min, otherwise it will shorten the lifetime of the laser pointer.
3.Take off the battery and Keep out of reach of children!
4.Charging or changing the battery once the laser beam brightness seriously drop!

NOTE:
1. The laser can bright enough when you light it in normal temperature, so you had better do not light it continually in 30 seconds
2. Avoid direct eye exposure to laser beam (any contact to the human eye can cause permanent damage). Never expose your eyes or anyone else’s to the laser beam
Please put it away from children to avoid the danger by contacting. When do not use it, please take off the battery from the laser in order to avoid the damage by the children’s contacting
Contradistinction of the green, red and blue violet laser pointer:
Brightness: green>red>blue violet
Price :red< green< blue violet
Poly thermal performance: green< red＝blue violet
Stability: green< red＝blue violet

Instruction:
A laser pointer is a small laser designed to highlight something of interest by projecting a small bright spot of colored light onto it. The laser beam is not in itself visible from the side, but is visible as a result of light scattered by dust particles along the beam path. The small width of the beam and low power of typical laser pointers make the beam itself invisible in a reasonably clean atmosphere, showing a point of light when striking an opaque surface. Some higher powered laser pointers are faintly visible via Rayleigh scattering when viewed from the side in moderately to dimly lit conditions.

Tag :

50mw Blue Violet star laser pointer pen 5 in 1

50mw Royal Purple laser pointer pen single star

5mw red laser pointer LED flashlight laser pointer pen Violet currency check lights with Carabiner

5mw red laser pointer electronic pen

200mw Focusable Red Laser Pointer Flashlight Torch can burn matches or cigarette

MAKITA 678102-6 Power Tool Battery,MAKITA 678102-6 Cordless Drill Battery

• Capacity: 2000 mAh
• Voltage: 4.8 V
• Color: Black
• Cell Type: Ni-Cd
• Weight: 210 g
• Dimensions: 87.00 x 45.35 x 22.69 mm
• Fast shipping,30 Days Money Back,1 year warranty!
• Super-Long Standy Time Guaranteed!

• Original Price: $ 60.86
• Now Price: $ 49.29
• Same day shipping service !
• 100% new, 100% compatible !

MAKITA 678102-6 Power Tool Battery Compatible original Battery Code:

• MAKITA 678102-6 battery

MAKITA 678102-6 Power Tool Battery Fit with below:

• MAKITA 6041D battery
• MAKITA 6041DW battery
• MAKITA 6043D battery
• MAKITA 6043DWK battery

MAKITA 193889-4 Power Tool Battery,MAKITA 193889-4 Cordless Drill Battery

• Capacity: 2500 mAh
• Voltage: 9.6 V
• Color: Grey
• Cell Type: Ni-Cd
• Weight: 453.5 g
• Dimensions: 181.60 x 48.40 x 29.40 mm
• Fast shipping,30 Days Money Back,1 year warranty!
• Super-Long Standy Time Guaranteed!

• Original Price: $ 101.84
• Now Price: $ 82.47
• Same day shipping service !
• 100% new, 100% compatible !

• Capacity: 3000 mAh
• Voltage: 9.6 V
• Color: Grey
• Cell Type: Ni-Cd
• Weight: 521 g
• Dimensions: 181.60 x 48.40 x 29.40 mm
• Fast shipping,30 Days Money Back,1 year warranty!
• Super-Long Standy Time Guaranteed!

• Original Price: $ 110.68
• Now Price: $ 89.62
• Same day shipping service !
• 100% new, 100% compatible !

MAKITA 193889-4 Power Tool Battery Compatible original Battery Code:

• MAKITA 193889-4 battery
• MAKITA 9033 battery
• MAKITA 9034 battery

MAKITA 193889-4 Power Tool Battery Fit with below:

• MAKITA 4093D battery
• MAKITA 4190DB battery
• MAKITA 4190DWD battery
• MAKITA 6012HDL battery
• MAKITA 6095D battery
• MAKITA 6095DQ* battery
• MAKITA 6095DWBE battery
• MAKITA 6095DWDE battery
• MAKITA 6095DWL-2 battery
• MAKITA 6096D battery
• MAKITA 6096DWBE battery
• MAKITA DA391D battery
• MAKITA DA391DWB battery
• MAKITA DA391DWD battery
• MAKITA ML902(Flashlight) battery
• MAKITA UM1690D battery
• MAKITA UM1691D battery

MAKITA 193127-4 Power Tool Battery,MAKITA 193127-4 Cordless Drill Battery

• Capacity: 3300 mAh
• Voltage: 24 V
• Color: Dark Blue
• Cell Type: Ni-Cd
• Weight: 1472 g
• Dimensions: 120.48 x 86.82 x 96.72 mm
• Fast shipping,30 Days Money Back,1 year warranty!
• Super-Long Standy Time Guaranteed!

• Original Price: $ 221.38
• Now Price: $ 179.26
• Same day shipping service !
• 100% new, 100% compatible !

MAKITA 193127-4 Power Tool Battery Compatible original Battery Code:

• MAKITA 193127-4 battery
• MAKITA 193128-2 battery
• MAKITA 193130-5 battery
• MAKITA 193131-3 battery
• MAKITA 193736-9 battery
• MAKITA 193737-7 battery
• MAKITA 193739-3 battery
• MAKITA 2417 battery
• MAKITA 2420 battery
• MAKITA 2430 battery
• MAKITA B2417 battery
• MAKITA B2420 battery
• MAKITA B2430 battery
• MAKITA BH2420 battery
• MAKITA BH2430 battery
• MAKITA BH2433 battery

MAKITA 193127-4 Power Tool Battery Fit with below:

• MAKITA BDF460 battery
• MAKITA BDF460SF battery
• MAKITA BDF460SH battery
• MAKITA BDF460SHE battery
• MAKITA BDF460SJE battery
• MAKITA BDF460WA battery
• MAKITA BDF460WAE battery
• MAKITA BHP460 battery
• MAKITA BHP460SF battery
• MAKITA BHP460SH battery
• MAKITA BHP460SHE battery
• MAKITA BHP460SJE battery
• MAKITA BHP460WA battery
• MAKITA BHP460WAE battery
• MAKITA BHR200 battery #
• MAKITA BHR200SAE battery
• MAKITA BHR200SFE battery
• MAKITA BHR200SH battery
• MAKITA BHR200SHE battery
• MAKITA BHR200SJE battery
• MAKITA BHR200SJEP battery
• MAKITA BHR200WAE battery
• MAKITA BJR240 battery
• MAKITA BJR240SF battery
• MAKITA BJR240SFE battery
• MAKITA BJR240SH battery
• MAKITA BJR240SHE battery
• MAKITA BJR240SJE battery
• MAKITA BJR240WA battery
• MAKITA BJR240WAE battery
• MAKITA BLS712 battery
• MAKITA BLS712SFK battery
• MAKITA BLS820 battery
• MAKITA BLS820SF battery
• MAKITA BLS820SFK battery
• MAKITA BML240 battery
• MAKITA BMR100 battery
• MAKITA BSR730SH battery
• MAKITA BSR730SJE battery
• MAKITA BSR730WA battery
• MAKITA BSR730WAE battery
• MAKITA BSS730 battery
• MAKITA BSS730SHK battery
• MAKITA BTD200 battery
• MAKITA BTD200SH battery
• MAKITA BTD200SJE battery
• MAKITA BTD200WA battery
• MAKITA BTD200WAE battery
• MAKITA BTW200 battery
• MAKITA BTW200SAE battery
• MAKITA BTW200SF battery
• MAKITA BTW200SH battery
• MAKITA BTW200SJE battery
• MAKITA BTW200WA battery
• MAKITA BTW200WAE battery
• MAKITA DK2401HF battery
• MAKITA DK2402HF battery
• MAKITA DK2403HF battery
• MAKITA DK2404HF battery
• MAKITA DK2405HF battery
• MAKITA TW200D battery
• MAKITA TW200DRA battery

Home » Bosch » BOSCH 2 607 336 013 Power Tool Battery

BOSCH 2 607 336 013 Power Tool Battery,BOSCH 2 607 336 013 Cordless Drill Battery

• Capacity: 1500mAh
• Voltage: 10.8 V
• Color: Black
• Cell Type: Ni-Cd
• Weight: 163.55 g
• Dimensions: 46.52 x 50.34 x 83.38 mm
• Fast shipping,30 Days Money Back,1 year warranty!
• Super-Long Standy Time Guaranteed!

• Original Price: $ 86.61
• Now Price: $ 66.44
• Same day shipping service !
• 100% new, 100% compatible !

• Capacity: 1750mAh
• Voltage: 10.8 V
• Color: Black
• Cell Type: Ni-Cd
• Weight: 174.2 g
• Dimensions: 46.52 x 50.34 x 83.38 mm
• Fast shipping,30 Days Money Back,1 year warranty!
• Super-Long Standy Time Guaranteed!

• Original Price: $ 92.55
• Now Price: $ 71.00
• Same day shipping service !
• 100% new, 100% compatible !

BOSCH 2 607 336 013 Power Tool Battery Compatible original Battery Code:

• BOSCH 2 607 336 013 battery
• BOSCH 2 607 336 014 battery
• BOSCH BAT411 battery
• BOSCH BAT411A battery
• BOSCH BAT412A battery

BOSCH 2 607 336 013 Power Tool Battery Fit with below:

• BOSCH CLPK30-120 battery
• BOSCH CLPK31-120 battery
• BOSCH CLPK40-120 battery
• BOSCH CLPK41-120 battery
• BOSCH CLPK50-120 battery
• BOSCH FL10 battery
• BOSCH GDR 10.8 V-LI battery
• BOSCH GDR 10.8-LI battery
• BOSCH GLI 10.8 V-LI battery
• BOSCH GMF 10.8 V-LI battery
• BOSCH GOP 10.8 V battery
• BOSCH GOP 10.8 V-LI battery
• BOSCH GOS 10.8 V-LI battery
• BOSCH GSA 10.8 V-LI battery
• BOSCH GSB 10.8-2-LI battery
• BOSCH GSC 10.8 V-LI battery
• BOSCH GSR 10.8 V-Li battery
• BOSCH GSR 10.8 V-LI-2 battery
• BOSCH GSR 10.8 V-LI2 battery
• BOSCH GSR 10.8 V-LIQ battery
• BOSCH GSR 10.8-2-LI battery
• BOSCH GSR 10.8-LI battery
• BOSCH GUS 10.8 V-LI battery
• BOSCH GWB 10.8-LI battery
• BOSCH GWI 10.8 V-Li battery
• BOSCH PS10-2 battery
• BOSCH PS10-2A battery
• BOSCH PS20-2 battery
• BOSCH PS20-2A battery
• BOSCH PS20B battery
• BOSCH PS21-2A battery
• BOSCH PS30-2A battery
• BOSCH PS30B battery
• BOSCH PS31-2A battery
• BOSCH PS40 battery
• BOSCH PS40-2 battery
• BOSCH PS40-2A battery
• BOSCH PS40B battery
• BOSCH PS41-2A battery
• BOSCH PS50-2A battery
• BOSCH PS50-2B battery
• BOSCH PS50B battery
• BOSCH PS70-2A battery

BOSCH 2 607 335 040 Power Tool Battery,BOSCH 2 607 335 040 Cordless Drill Battery

• 

• BOSCH 2 607 335 040 Power Tools Battery

• Capacity: 1500mAh
• Voltage: 18 V
• Color: Black
• Cell Type: Ni-Cd
• Weight: 280.4 g
• Dimensions: 104.25 x 81.16 x 55.36 mm
• Fast shipping,30 Days Money Back,1 year warranty!
• Super-Long Standy Time Guaranteed!

• Original Price: $ 105.67
• Now Price: $ 81.06
• Same day shipping service !
• 100% new, 100% compatible !

• Capacity: 1750mAh
• Voltage: 18 V
• Color: Black
• Cell Type: Ni-Cd
• Weight: 357.65 g
• Dimensions: 104.25 x 81.16 x 55.36 mm
• Fast shipping,30 Days Money Back,1 year warranty!
• Super-Long Standy Time Guaranteed!

• Original Price: $ 114.23
• Now Price: $ 87.63
• Same day shipping service !
• 100% new, 100% compatible !

BOSCH 2 607 335 040 Power Tool Battery Compatible original Battery Code:

• BOSCH 2 607 335 040 battery
• BOSCH 2 607 336 039 battery
• BOSCH 2 607 336 040 battery
• BOSCH 2 607 336 207 battery
• BOSCH 2 607 336 208 battery

BOSCH 2 607 335 040 Power Tool Battery Fit with below:

• BOSCH PSB 18 LI-2 battery
• BOSCH PSR 18 LI-2 battery

What is the run time of BOSCH 2 607 335 040 power tool battery?

• BOSCH 2 607 335 040 power tool battery have two main ratings on them: Volts and Amperes. Because size and weight of power tool Battery is limited when compared to larger batteries such as car batteries, most companies show their ratings with Volts and Mill amperes. One thousand Mill amperes equals 1 Ampere. When buying a battery, select batteries with the most Mill amperes (or Ah). Batteries are also rated by Watt-Hours, perhaps the simplest rating of all. This is found by multiplying the Volts and the Amperes together. For example:

• 14.4 Volts, 4000mAh (Note: 4000mAh is equal to 4.0 Amperes)
• 14.4 x 4.0 = 57.60 Watt-Hours

• Watt-Hours signifies the energy needed to power one watt for one hour. This power tool Battery can power 57.60 watts for one hour. If your cordless drill runs at 20.50 watts, as an example, this power tool Battery could power your cordless drill for 2.8 hours.

BOSCH 2 607 335 040 power tool battery Secure & Guarantee

• This BOSCH 2 607 335 040 power tool battery you purchased from us is guaranteed!
• We warranty this power tool battery sold in our website, other than explicitly stated, are 100% brand new and free from defects in material and workmanship:

• 1.100% Q.C. of this BOSCH 2 607 335 040 battery.
• 2.This BOSCH 2 607 335 040 power tool battery is guaranteed to meet or exceed original specifications.
• 3.This BOSCH 2 607 335 040 battery is sell with 2 Year Warranty.
• 4.This BOSCH 2 607 335 040 battery is sell with 30 Days Money Back.

• Secure Shopping Guarantee:
• Shopping with us is safe and secure. None of our customers have ever reported fraudulent use of their credit cards as a result of shopping with us. You can be assured that the information you give us is confidential. We do not sell, rent or share information of our customers with other parties.