LENOVO 45N1125, 45N1124, 45N1126, 45N1127, 45N1128 laptop battery

Asus Taichi 31-CX003H Ultrabook

The elegant casing of Asus Taichi 31-CX003H Ultrabook is stylish and exceptionally slim at just 18 mm. That is certainly one of the convertible ultrabook's advantages and it looks like the premium Zenbook models, e.g. UX31A, in an opened state.

Like in the smaller, 11.6-inch Asus Taichi 21, Asus uses a robust yet elegant unibody casing comprised of dark, brushed aluminum for its 13.3-inch device. Not only the pleasant and high-quality feel and looks are excellent, but the very high stiffness and pressure resistance are equally outstanding. However, this compliment cannot be made to the same extent for the 8 mm display lid, which is due to the use of two screens. Light to medium force causes the display to warp visibly and thus does not completely confirm the device's premium claim in this point. The display hinge's smooth mechanism is pleasing and makes it possible to open the tablet-ultrabook with one hand. Then again, we would have appreciated a slightly tighter pulled hinge because the display lid, which almost seems too big for the device, is not always kept firmly in position on shaky surfaces.

 

Connectivity

As usual for ultrabooks, connectivity is not really the strength of slim, portable computers. The Taichi 31-CX003H is no exception but it partly compensates that with included dongles.

The slim, aluminum chassis of this convertible device sports 2 fast USB 3.0 ports, an SD card reader, an audio combo jack, a power socket and a micro-HDMI and mini-VGA for multi-monitor operation. Exemplary: Asus includes a mini-VGA to VGA dongle for the latter. However, we did not find a micro-HDMI to HDMI dongle. The omitted RJ 45 LAN port is compensated by a USB to LAN dongle. Basically a good idea but the user loses one of the only 2 USB ports. The rear and front do not sport any interfaces.

Connecting to the internet is accomplished via the built-in Wi-Fi adapter or, of course, the conventional LAN module. However, one of the two USB ports has to be sacrificed in order to use the LAN port dongle. The Wi-Fi module did not exhibit any connection problems during our tests. 5 out of 5 bars were displayed even at a distance of ~10 meters within range of sight as well as at a distance of approximately 7 meters through a wall. The signal first decreased to 4 out of 5 bars at a longer distance from 15 meters plus wall (D-Link DIR-615 Wireless N 300 router). Bluetooth is also available for wireless data sharing.

Keyboard

As known from the Zenbooks, a large and clearly arranged chiclet keyboard is installed in the Taichi 31. Except for the arrow keys, we found the generously sized keys pleasing. Alongside the good typing qualities, they make the keyboard very comfortable to use. The relatively short key drop is throughout acceptable; the soft yet sufficient stroke allows typing quietly on the ultrabook's keyboard and it is also suitable for prolific writers. Unsurprisingly, the 13-incher does not feature a number pad.

ASUS Taichi 31-CX003H Laptop Battery:

• Battery Chemical: Lithium-Polymer
• Battery Voltage: 14.8V
• Battery Capacity: 3500mAh
• Battery Color: black
• Type: original
• Warranty: 9 months
• Battery source: http://www.laptop-battery.org.uk/laptop-batteries.php/asus/taichi%2031-cx003h/100109/1003555/175342

 

Review of Clevo P771ZM notebook

The One K73-4N got an overall rating of 83 % in our review 10 months ago and now we have a closer look at the successor One K73-5N, which is equipped with a desktop processor. There are many rivals in the segment of 17-inch gaming notebooks, including the MSI GT72 2QE, for example, that uses a GeForce GTX 980M as well. Or the Asus G751JY, which is currently in first place of the gaming charts thanks to its IPS panel. Both notebooks got a "very good" rating in our review. Our article will show why the One K73-5N does not get the desired rating.

But back to the topic: Similar to its siblings, you can configure the 17-inch notebook according to your preferences. This starts with the processor that is provided by Intel. Because of the number of cores we would not recommend the standard chip Core i3-4160. More ambitious users should equip the K73-5N with a Core i5 or Core i7 (TDP of 45-88 Watts). Our review unit uses the most powerful product, the Core i7-4790K that runs with 4.0-4.4 GHz under load.

The situation is similar for the graphics cards: Instead of a GeForce GTX 965M (4 GB GDDR-VRAM), you can choose a GTX 970M with 6 GB or a GTX 980M with 8 GB. All that is supported by up to 32 GB DDR3 memory and up to four storage solutions (2x M.2 & 2x 2.5-inch). You can also change the wireless module, the warranty and the operating system. The standard version of the One K73-5N retails for just 1,199 Euros, but you can easily surpass 2,000 Euros with better hardware equipment, which applies for our review configuration as well.

Case

Soft-touch finish

The One K73-5N is based on the P771ZM barebone from the gaming expert Clevo and there is also a 15-inch version (One K56-5N) with the designation P751ZM. Compared to the predecessor K73-4N, the new case is slightly thinner: Instead of 4.5 centimeters it is "just" 3.9 centimeters high. The previously mentioned rivals from MSI and Asus are 4.8-5.3 centimeters thick. You should consider the MSI GS70 (2.2 centimeters) or the P670SA barebone (3.0 centimeters @Schenker XMG P705) if you prefer thin notebooks.

The design of the 17-inch notebook is decent, but you should not expect a stylish device. The matte plastic surfaces are rubberized on the lid and the palm rest, which might not be appealing for every user. The soft feeling for the skin also comes with a high susceptibility to dirt (with greasy fingers in particular). Metal constructions like the MSI GS70 look more sophisticated and more expensive in general.

The choice of materials does not have such a big effect on the stability and the base unit of the One K73-5N has no problems with a lot of force. Only the display cover is pretty wobbly and can be twisted quite a bit with two hands. Still, the lid is not as fragile as the 15-inch sibling (compare the review of the Schenker XMG U505), so the chassis rating is a bit higher.

Connectivity

Ports

The ports are completely identical to the P751ZM: The barebone experts from Clevo integrated five USB 3.0 ports, four audio ports and three digital video ports, which means you can attach a surround sound system as well as a multi-display setup. The package is rounded off with a card reader, eSATA port and a slot for a Kensington Lock. Clevo also thought about the security aspect: Thefingerprint reader is complemented by a TPM 2.0 chip.

Great: The majority of ports is located at the rear area of the notebook, so there should be no problems when you use an external mouse. All in all, the connectivity just misses the "very good" rating. The predecessor chassis P170SM-A had one USB port less, but it offered a FireWire port as well as an optical drive in return. The connectivity is pretty similar to the MSI GT72, while the Asus G751 cannot quite keep up in this category.

Communication

You can either access the Internet via Ethernet cable or wireless module. The manufacturer One equips our review unit with the Killer Wireless-AC 1525 from Qualcomm Atheros for an additional price of 25 Euros, which also supports the brand-new ac standard besides Bluetooth 4.1 and WLAN 802.11 a/b/g/n. Users can change network settings and optimize the data traffic with the preloaded Killer Network Manager. Our test showed that the signal quality of the wireless adaptor is neither better nor worse compared to the Intel Dual Band Wireless-AC 7265 in the Schenker XMG U505. We still had 2 out of 5 bars on average in the setup of the author (distance of 10-15 meters, several walls).

Maintenance

Both Clevo barebones P751ZM and P771ZM are currently unrivaled in terms of maintainability. While you cannot access the battery of the MSI GT729, the internal layout of the Asus G751 is pretty sealed in general and you can only access the memory and the hard drives via maintenance cover. The situation is much better with the One K73-5N. You just have to loosen some screws before you can access all components, and we do not only talk about the storage solutions, the wireless module and the DDR3 RAM (some slots underneath the keyboard), but also the fans and the cooling solution. Remove the latter and you also have full access to the processor and the graphics card. Contrary to the P670 barebone they are plugged modules, so you could replace them if necessary.

Important notice when replace your Lenovo battery

Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use.

The Lenovo Solution Center program provides an automatic Lenovo battery diagnostic test that determines if the battery pack is defective. A battery pack FRU should not be replaced unless this diagnostic test shows that the battery is defective. The only exception to this is if the battery pack is physically damaged or a customer is reporting a possible safety issue.

If the Lenovo Solution Center program is not installed on the computer, the customer should download and install the program to diagnose the battery pack, before getting a non-physically damaged battery pack replaced. Note that the replacement of a physically damaged battery pack is not covered by the warranty.

 Removal steps of battery pack - Please perform the following steps as shown in the pictures below. 

When installing:
Ensure that the battery pack connector is attached firmly.

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Review of Acer Travelmate B115-MP-C2TQ Netbook

This small Acer laptop has a good Acer battery life, an IPS panel and runs silently. Windows 8.1 Professional (64 bit) hints towards the business uses of this model.

The Travelmate B115-MP-C2TQ is the "serious" sibling of the Acer Aspire V3-731 and Acer Aspire E3-111, which we previously tested. Potential buyers of this notebook will be business users, which explains the Windows 8.1 Professional (64 bit) OS found on the notebook. The Aspire V3-111P was able to score points with us thanks to its long battery life and good keyboard. In the following in-depth review, we will find out what its sister model has to offer.

The Travelmate has the same build as the Aspire V3-111P and the Aspire E3-111, so we will not discuss the case, connectivity, input devices or speakers any further (unless there are major differences). For more information about these topics, we suggest taking a look at the reviews of its siblings.

Case & Connectivity

The Travelmate has the same build as the Aspire V3-571. However, their is a major difference, aside from the case colors, the Travelmate has a display cover made of brushed aluminium whereas the Aspire uses synthetic material. As such, the Travelmate cover is sturdier. the Travelmate is intended for business users as is shown by the Windows 8.1 (64 bit) Pro OS. The Acer security software 'ProShield' is pre-installed, but additional security features, like a Trusted Platform Module or a fingerprint reader are not included. The Travelmate buyers get an accessory which the buyers of the Aspire will not get: a HDMI-to-VGA adapter.

Display

The Travelmate uses a glossy 11.6 inch display, which has a native resolution of 1,366 x 768 pixels. The brightness (181.7 cd/m²) of the panel is not impressive as we have come to expect a value higher than 200 cd/m² as a minimum. After all, this is a small, portable laptop which is supposed to be used in various places. The contrast (744:1) and black value (0.27 cd/m²) are quite good.

Performance

The Travelmate B115-MP is a simple 11.6 inch notebook which is predestined for typing and surfing thanks to its long battery life. The Travelmate is aimed at business users, whereas the Aspire V3-111P puts the focus on private users. Our test model is available for around 420 Euros. Acer offers various other configurations - with or without touchscreen.

Review of Lenovo Yoga Tablet 2 Pro

Advantages of Lenovo Yoga Tablet 2 Pro:The Lenovo Yoga Tablet 2 Pro's versatile design features a built-in kickstand and pico projector. Its HD screen is sharp and battery life is long. Its The front-facing speakers and rear subwoofer sound loud and crisp. Moreover, it has a long Lenovo battery life.

Disadvantages of Lenovo Yoga Tablet 2 Pro: There's no app tray. The projector's brightness is rather dim in most rooms and its low resolution will disappoint fans of high-definition video. Also, it's a bit heavy.

The Lenovo Yoga Tablet 2 Pro is the most innovative tablet I've seen all year. The 13.3-inch mammoth features a familiar design with a unique twist; it packs a built-in pico projector.

Performance-wise, it's not a monster, but feature-wise, it's a unicorn. Like last year's Android-based Yoga tablets, this model has a distinct rounded spine with a built-in kickstand that makes hands-free movie watching and on-screen typing easy peasy. Turn on the projector with the push of a button and it also doubles as a quick way to set-up a mobile movie theater. It's a unique, versatile design that works well for entertainment and practical purposes.

Design

If you're familiar with Lenovo's Yoga line of Android tablets, this one should look familiar. If you're not, this 13-inch mammoth probably appears a little odd. It looks like a normal tablet, with the exception of its chunky, rounded spine. The silver, cylindrical looking appendage houses the front-facing speakers and, if you flip it, you'll find the built-in stand.

The rear kickstand easily pops out with the push of a button and can flip out to 180 degrees. You can stand it upright for an all-in-one-like experience or flip it over and place it down to stably type out an email. It feels sturdy, though it's a thin piece of aluminum, and, thanks the addition of the button, it's easier to adjust than last year's models.

Software

Running Android 4.4.2, it comes with a medley of pre-loaded apps, including the full suite of Google apps, and it features a custom overlay that's slightly better than last year's Yoga tablets. The tweaks simplify the Android experience from its often overwhelming customization options and settings, but in a way that I consider more limiting than user-friendly.

 Lenovo Yoga Tablet 2 Pro looks very iOS-inspired, especially due to its lack of app tray. After being downloaded, apps are meant to be placed into prearranged categories like games, shopping and social. The categories can't be deleted or edited. You can place individual app shortcuts on one of the home screens instead, if you'd like.

Review of Lenovo Yoga 3 Pro laptop

Advantages：
 
The Yoga 3 Pro adds a unique new hinge to be thinner and lighter than ever. The high-resolution screen looks fantastic, and the hybrid design still works great as a laptop.

Disadvantages： 

This first outing with Intel's new Core M processor fails to impress, with mediocre performance and Lenovo battery life.


Lenovo's Yoga 3 Pro is so close to perfect that its shortcomings feel all the more frustrating. In terms of form and usability, this is easily my favorite new laptop design of the year. The iconic 360-degree fold-back Yoga hinge has been radically reimagined as a thin strip of watchband-like metal, allowing the body to be especially thin, while still just as flexible as previous versions for transforming into a kiosk or tablet.

It's remarkably thin and light, and feels just different enough from every other slim 13-inch laptop or hybrid to really count as a major step.

The other half of that step forward was supposed to come from Intel's new Core M CPU, a chip designed to be a perfect fit for thin, upscale tablets and hybrids that needed just the right mix of performance, battery life and energy efficiency. The big pitch for Core M is that systems using it can run with minimal cooling, or even without fans at all, allowing them to be thinner and lighter than ever.

Lest this sound like an unenthusiastic take on this new hybrid, remember, there's more to judging a computer than just on-paper performance numbers. If I were simply using the Yoga 3 Pro without seeing any of those application performance or battery life numbers, I'd be very impressed. For the type of work most of us do, running a few Web browsers, streaming video and music and working on office documents, the Yoga 3 Pro felt fast enough. But advanced tasks such as gaming or HD video editing are better served by more powerful PCs. 

 
Battery life was close to Lenovo's promised 7 hours during casual use, although even that feels skimpy by today's standards. Playing video seemed to hit the Core M, designed to throttle computing power to fit your usage, particularly hard, draining the battery in under six hours.