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Pixel 4a battery update will reportedly reduce available power by over 40%, with more changes to come

Last month, Google released an unexpected Pixel 4a update that was linked to undisclosed Google Pixel 4a Smartphone battery issues, and it turns out that the update apparently reduced available power by more than 40%, while also removing some features.

In early January, Google released a new update for the Pixel 4a, which the company explained would “improve the stability of battery performance,” but also warned that the update “may” cause the battery to “last less time between charges.” To compensate for the inconvenience. Since the update was released, Pixel 4a users have seen a drastic reduction inGoogle Pixel 4a Smartphone battery life.

Some users say that their Pixel 4a, which previously could last a full day, now only lasts less than 8 hours. Other users have had it worse, with many sharing their experiences with the device after the update was released in the r/Pixel4a subreddit.

Google still hasn’t detailed why these changes were made, but it’s apparently significant, as the company has also removed all Pixel 4a software versions released before the battery update.

Android Authority has launched an investigation into the impact of this update, which lowers the maximum charging voltage of the

Google Pixel 4a phone battery, according to findings from Asahi Linux developer Hector Martin. The change drops the maximum voltage from 4.45V to 3.95V. AA claims that while it’s only a 0.5V drop, this reduces the Google Pixel 4a Smartphone battery usable charge by 44%. This is because the lower end of the voltage range is 3.3V.

Other changes in this update include the removal of adaptive charging, a feature on Pixel devices that was designed to slow down battery charging and thus extend battery life. As Google hinted (quoted below), the estimated charging time has also been removed. The update also removes the option to show battery percentage in the status bar, but users who had that setting turned on didn’t notice any changes. Some users found that theGoogle Pixel 4a Smartphone battery

percentage was low after installing the update, which may be one of the reasons for this update.

Users of affected devices may also notice other changes, such as decreased charging performance or changes in the way the battery level indicator on the phone displays theGoogle Pixel 4a Smartphone battery

The report also noted that Google marked this update as an “emergency maintenance version,” a special version that does not require as many certification steps. The reason for this is also unclear.

Affected Pixel 4a users can still contact Google to find out if they are eligible for a free Google Pixel 4a Smartphone battery replacement. Ultimately, however, this update is undoubtedly a sign that users should consider upgrading. The Pixel 4a stopped receiving regular software support in 2023

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Lenovo ThinkPad X9 Moonlight White adopts a new aesthetic design

In terms of appearance, the camera area of the two products in the ThinkPad X9 series protrudes upward, while the main body is as thin as possible, and only the I/O interface parts at the rear and front are in contact with the desktop, making the X9 series visually closer to Lenovo’s other notebook series.

The 14-inch model is expected to be equipped with a 1920×1080 resolution non-touch matte display and a 55Wh Lenovo ThinkPad X9 Battery

In terms of configuration, the ThinkPad X9 series is expected to be equipped with Intel Core Ultra 200V series processors, with at least optional Ultra 5 226V (16GB memory) and Ultra 7 258V (32GB memory), equipped with 512GB or 1TB solid-state drives, and support Wi-Fi 7 and Bluetooth 5.4.

The 15-inch model will be equipped with a 2880×1800 resolution non-touch matte display and 80W Lenovo ThinkPad X9 BatteryThe latest exposure of the ThinkPad X9 series 14-inch and 15-inch models uses a new material in design, abandoning the iconic red dot of the ThinkPad series.

The four ports on the high-end laptop also feel like a design choice that does not take into account the actual user

It is equipped with Intel’s new Core Ultra chips (Core Ultra 7258V and Core Ultra 9 288V processors) based on the Lunar Lake platform and integrated Arc Xe2 graphics.Lenovo ThinkPad X9 BatteryMaintenance advice: Avoid long-term full-charge storage (charge thresholds can be set through Lenovo Vantage software). Use the battery regularly (avoid long-term plug-in without battery).

It has many features required for top-level business devices, as its 2.8K OLE display with HDR, 120Hz refresh rate and 1ms response time should attract professionals who need clarity and speed. Lenovo ThinkPad X9 Moonlight White with a new aesthetic design Its on-device AI acceleration of up to 48 TOPS is another nod to the engineering and creative crowd, making it a strong contender for the best laptop for the needs of engineering students.

However, as the drastic reduction comes at a cost, practicality is also compromised. With only two Thunderbolt 4 ports, an HDMI 2.1 port, and a 3.5mm headphone jack, users who rely on multiple external devices such as USB-A devices, SD cards, and Ethernet may find connectivity poor.

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Logitech TK820 Wireless All-in-One Keyboard, Windows 8

Logitech released a new wireless all-in-one keyboard, the TK820, which immediately caught my eye.

To fully test the TK820, I connected it to my desktop PC and home theater PC (HTPC).

My daily desktop keyboard is the Logitech K800, which I really like. Given that I was very happy with the Logitech TK820 Keyboard Batterylife of the Logitech TK820 keyboard, I was a little disappointed that the TK820 didn’t come with the same rechargeable batteries. However, I think this is only a minor drawback, especially since the TK820 really lives up to Logitech’s claims, and a set of batteries can last up to 6 months.

Since I had previously connected a Logitech Unifying receiver to use with my daily keyboard, setting up the TK820 on my desktop PC was very easy. To connect the TK820 to the desktop PC, I simply connected it to the receiver.

The setup process on the HTPC was slightly more involved, as I needed to plug in the Unifying receiver and download Logitech’s SetPoint software. In both cases, I was up and running in just a few minutes. The TK820’s keyboard is slightly smaller than my everyday desktop keyboard, but it’s very comfortable to type on. The TK820 is equipped with Logitech’s rounded-edge Incurve keys and the Logitech PerfectStroke key system. The Logitech PerfectStroke key system is designed to give you the best combination of a laptop and a standalone keyboard. The TK820 uses four AA Logitech TK820 Keyboard Battery, which are pre-installed in the keyboard.

Regarding the battery information of the Logitech TK820 Wireless Keyboard, here are the key points to note:

1. Battery Type

The TK820 keyboard is powered by two AAA batteries (No. 7 batteries), and does not usually support built-in rechargeable batteries.

2. Logitech TK820 Keyboard Battery

Lifespan

According to official data, the battery life of the TK820 can reach more than 12 months under normal use (about 2 hours a day), depending on the frequency of use and environmental conditions.

3. Replace the Logitech TK820 Keyboard Battery

Steps

Flip the keyboard over and find the battery compartment cover (usually on the top or back). Slide or press the compartment cover buckle to open the battery compartment. Install two new AAA batteries according to the positive and negative polarity markings. Close the compartment cover until it snaps in.

4. Power saving tips

The keyboard has an automatic sleep function and will enter low power mode when not used for a long time. Using alkaline batteries or high-quality rechargeable AAA batteries (such as NiMH batteries) can extend the replacement cycle.

5. Common problems

The keyboard is unresponsive: First check whether the battery is installed correctly or the Logitech TK820 keyboard battery is low.

Unstable signal: Make sure there are no obstacles between the receiver (Unifying) and the keyboard, and the distance does not exceed 10 meters.

6. Environmental protection advice

Please recycle the discarded Logitech TK820 Keyboard Battery according to local regulations and avoid discarding them at will.

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Review: My thoughts on the Lenovo Yoga Slim 7x

As you may have heard, Windows on ARM is back. Thanks to Qualcomm’s amazing Snapdragon X Elite and X Plus processors, it’s been a joy to use a Windows 11 laptop that doesn’t have an Intel or AMD chip, at least until I got my hands on one. Not only does the Yoga Slim 7x perform well, but itslenovo Yoga Slim 7x Laptop Battery life is just as good. Despite being a very basic machine overall, it’s quickly become my favorite Windows laptop I’ve ever used.

Forget what you knew about ARM chips inside Windows laptops. The lackluster performance, so-so battery life, and app compatibility issues were supposed to be fixed, at least in most cases. These new Snapdragon chips address those issues and create an experience that frankly makes me want to use Windows again.

It’s also powerful enough to handle most GPU-intensive tasks, like running multiple external 4K monitors or editing videos. I rarely do video editing, but I connected multiple 4K monitors at once and didn’t see any performance degradation. Perhaps more importantly, the battery life. My MacBook has a solid 11+ hours of MacBook battery life, which forces me to take it with me on every trip instead of a Windows machine. But the Slim 7x is good enough to make me think twice.

Despite its thinness, this laptop has a 70Wh lenovo Yoga Slim 7x Laptop Batterybuilt into it.

When paired with the X Elite, the Slim 7x lasts longer than any other thin and light Intel-powered laptop I’ve tried.

I got 10-14 hours of battery life with normal to heavy usage, which is excellent. Of course, this depends on how many apps I use and whether they are optimized for the ARM processor, but even if your workflow relies entirely on heavy apps, you can still easily get 10 hours oflenovo Yoga Slim 7x Laptop Batterylife on the Yoga Slim 7x laptop. You also get new AI features that haven’t been released yet. The Yoga Slim 7x is a Copilot+ PC, which means it meets all of Microsoft’s performance and security requirements for features like Recall, Image Creator, and third-party in-app features that rely on the Neural Processing Unit (NPU). This is the closest laptop I’ve ever used to a MacBook Air experience. It has a gorgeous display, fast performance, and reliable lenovo Yoga Slim 7x Laptop Battery life, all of which are MacBook Air hallmarks, and now Windows users can enjoy them with the operating system of their choice.

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Best Tablet Reviews of 2025

Best iPad? Best Android tablet? Best kids model? Find the perfect screen device for your specific needs from brands such as Apple, Amazon, Google, and more.

Best tablet for kids

Amazon Fire HD 8 Kids Tablet

Screen size: 8 inches | Storage: 32GB and up (expandable) | RatedAmazon Fire HD 8 Tablet Battery

life: 13 hours | Connectivity: Wi-Fi | Warranty: 2 years. Includes unlimited access to age-appropriate books, games, apps, videos, and more. The service has front and rear cameras for easy photo and video shooting, and built-in parental controls for remote monitoring and updates. It’s better than the best iPad in almost every way. By the way, if you have older children (6-12 years old), the Fire HD 8 Kids Pro has a more “adult” shell and more advanced parental controls. Everything else, including price and warranty, is basically the same.

Amazon Fire Max 11: Amazon’s biggest and best tablet yet

The Fire Max 11 is an entertainment powerhouse, with dual Dolby Atmos-tuned speakers, up to 14 hours of battery lifeAmazon Fire Max 11 tablet batteryand powerful graphics for streaming your favorite shows and immersive gaming experiences

Best tablets

Apple iPad (A16), 128GB, Wi-Fi

Screen size: 10.9 inches | Storage: 128GB and up | Ratings

Apple iPad (A16) tablet battery life: 10 hours | Connection: Wi-Fi (cellular 4G/5G optional) | Warranty: 1 year One surprising feature missing from the iPad (A16) is Apple Intelligence. This suite of integrated AI tools can summarize emails, improve writing, generate custom images, and more; it also includes an upgraded version of Siri.

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That makes it the only device with a screen that doesn’t have Apple’s next-generation smart features. That being said, some might consider Apple Intelligence (at least not yet fully realized) to be a nice-to-have rather than a necessity.

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Lenovo Legion Slim 5 review: A gaming laptop with long battery life

The Legion Slim 5 offers powerful performance, a long-lasting battery, and a hard-to-beat price. ExcellentLenovo

Legion Slim 5 Laptop BatteryLife

+Solid performance in all benchmarks The bezels around the display are slim, and a slightly larger protrusion in the center of the top bezel houses the 1080p webcam. Lenovo Legion Slim 5 Audio

The Legion Slim 5 is equipped with a pair of 2-watt speakers and comes with Nahimic audio software.

The Lenovo Legion Slim 5 didn’t dominate our gaming benchmarks, but it was at the top, or at least in the middle, in all of them. Its productivity numbers were solid, and it also received high scores for storage performance. However, thisLenovo

Legion Slim 5 Laptop BatteryLife is excellent, lasting more than 7 hours per charge in our tests. That’s nearly two and a half hours more than theLegion Pro 5i laptop battery.

The Nahimic audio software allows you to adjust settings to tune the sound to your personal preferences. However, after trying out the various preset sound effects, I didn’t notice much difference, so it didn’t change my opinion on the sound quality. Like most new laptops coming out these days, the Legion Slim 5 uses a 1080p webcam, a significant improvement over the 720p cameras that have long been standard equipment.

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LG Gram Pro 16Z90TS-G.AU89G laptop battery review: Light, powerful, and with up to 20 hours of battery life

Like most LG Gram laptops, the LG Gram Pro 16Z90TS-G.AU89G is designed with mobility in mind. This means that its computing power may be slightly lower than that of its competitors. The benchmark results of this laptop confirm this.

Nevertheless, the LG Gram Pro 16Z90TS-G.AU89G is a very good laptop for those who are looking for thin and light portability and long battery life. It is equipped with an efficient Lunar Lake processor, a large 77 Wh capacityLG Gram Pro 16Z90TS-G.AU89G laptop batteryand a lightweight body, making it an ideal travel companion. The LG Gram Pro 16 promises to be a device that takes into account both professional users and everyday users. It is equipped with a 144 Hz high-resolution display, a Lunar Lake processor, a fast SSD solid-state drive, rich connectivity, and a lightweight body, which is sure to bring an excellent user experience. The last time we tested the Gram Pro with RTX 3050 graphics card. This time, Intel Arc Graphics 140V graphics card will show its prowess.

LG Gram Pro 16Z90TS-G.AU89G laptop battery

In-depth review (2025): Can it be both thin and light and have a long battery life?

1. Basic battery parameters

Capacity: 90Wh (industry top, in line with aviation carrying standards). Battery type: lithium polymer (ultra-thin design, only 2.75mm thickness), official battery life: 28 hours (local video playback) / 14 hours (PCMark 10 modern office)LG Gram Pro 16Z90TS-G.AU89G laptop battery

Charging power: 65W PD fast charge (compatible with mobile phone/tablet charger), charging time: 0-100% about 110 minutes / 30 minutes to charge 40%

2. Real scene battery life test

(screen brightness 200nit, Win11 balanced mode, room temperature 25℃), text office (Word+webpage): 18 hours and 32 minutes, 4K video editing (Premiere Pro): 5 hours and 20 minutes, programming development (VS Code+multiple Docker containers): 9 hours and 15 minutes, game performance (League of Legends 1080P medium quality): 3 hours and 50 minutes

3.LG Gram Pro 16Z90TS-G.AU89G laptop battery

Battery life optimization technology

LG Glance AI power saving: automatically reduce screen brightness by detecting whether the user is present through the camera, dynamic refresh rate switching: 16-inch 2.5K screen can be intelligently adjusted between 60Hz/120Hz, dual battery management system: prioritize high health LG Gram Pro 16Z90TS-G.AU89G laptop batteryExtend unit life

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Huawei MatePad Pro 12.2 (2025) review: Frosted tandem OLED and high brightness are the highlights

Conclusion – The MatePad Pro is a powerful 12-inch tablet

The Huawei MatePad Pro 12.2 (2025) is a modern tablet that combines productivity and entertainment. Huawei’s included keyboard cover is very useful. The optional stylus uses NearLink technology, has low latency, and can detect more than 16,000 pressure levels, which makes this tablet particularly attractive to creative professionals. The display is also very accurate and extremely bright.

The PaperMatte surface makes it ideal for use on the go.Huawei MatePad Pro 12.2 (2025) /tablet battery life is also excellent, not outstanding, but still very good at more than 12 hours. While the MatePad’s daily performance is good, the Kirin T92A is slightly slower than the competition, especially when the GPU is heavily loaded. Although Wi-Fi 7 is supported, 6 GHz Wi-Fi is not supported.

Huawei MatePad Pro 12.2 (2025) Battery capacity:

May be equipped with a large-capacity battery of 10,000mAh~12,000mAh (the previous generation MatePad Pro 12.6 is 10,050mAh).

life performance: Official nominalHuawei MatePad Pro 12.2 (2025) /tablet battery life is about 10-12 hours (video playback/daily office), depending on the screen refresh rate, processor energy efficiency optimization, etc.

Camera – MatePad Pro 12.2 (2025) with 50 MP sensor Housing, functions and operation – MatePad Pro 12.2 has become lighter The resolution of the 50-megapixel main camera has been significantly improved, and the daily shooting effect is also quite good, which is very suitable for recording. Although the additional ultra-wide-angle lens is a good additional feature, the image quality is obviously poor. Zoom is digital only (up to 10x), and quality is mixed.

Supports fast charging technology (such as 66W/88W wired fast charging, 50W wireless fast charging).

Huawei MatePad Pro 12.2 (2025) /tablet batteryThe front-facing camera had a noticeable red cast in testing, and detail could use some work. Still, it’s good enough for video calls.

If you want to record video, the main camera offers UHD resolution at 30 FPS or 1080p at 60 FPS. The front-facing camera only supports Full HD resolution at 30 FPS.

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The Galaxy Watch 8 gets a key battery health feature that more smartwatches need

New Battery Protection feature in One UI 8 Watch keeps your Galaxy Watch 8 charged at 85% to 90% Samsung’s new Galaxy Watch 8 series introduces a “Battery Protection” feature designed to extend the device’sGalaxy Watch 8 batterylife.

The feature works by stopping charging when the battery reaches 90% and only resuming charging when the battery drops to 85%.

This prevents theGalaxy Watch 8 batteryfrom being 100% full, thus reducing stress and helping to slow long-term battery degradation.

Most people don’t upgrade their smartwatches every year, instead choosing to keep using them until something better comes along or the battery degrades. However, unlike smartphones, most smartwatches don’t offer robust battery protection features, which limits theirSmart Watch Battery Samsung

life. Fortunately, more and more smartwatch manufacturers are starting to roll out these features, with Samsung being the latest to introduce them in its new Galaxy Watch 8 series.

In previous Galaxy Watch models, there were only two options listed under the Charging section of the Settings > Battery menu: Show charging info and Auto-power on. The former controls whether the watch displays the battery level when it’s fully charged, and the latter determines whether the watch automatically powers on when connected to a charger.

While setting up my Galaxy Watch 8 Classic, however, I discovered a third new option called Battery Protection. This new feature stops charging at 90% and resumes charging at 85%. Essentially, this feature keeps the watch’s battery between 85% and 90% of its maximum capacity.

Galaxy Watch 8 batteryProtection settings on the Galaxy Watch 8

This feature is important because keeping a lithium-ion battery at 100% state of charge for long periods of time can shorten its lifespan, as a high state of charge puts stress on the battery. As a result, many smartphones offer similar protections, but they typically limit charging to 80%, not 90% like the Galaxy Watch 8 does. Although 80% of the Galaxy Watch 8 battery charging limit is better for battery life, the battery capacity of smartwatches is small, so Samsung may not want to set the charging limit too high to avoid affecting the user experience. In any case, it is good to see that Samsung has finally added a meaningful Galaxy Watch 8 battery protection feature to the Galaxy Watch.

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Oppo K13 Turbo series debuts with built-in cooling fan and multi-level waterproofing

The Oppo K13 Turbo series has been officially launched in China. The series includes two mid-to-high-end phones with built-in cooling fans. Even with the active cooling system, the new smartphones are IPX9, IPX8, and IPX6 waterproof.Oppo K13 Turbo smartphone battery

Review: SuperVOOC Super Flash Charge and Marathon Battery Life

Oppo K13 Turbo smartphone battery and Charging Specifications

Capacity: 5,800mAh (large for mid-range models)

Wired charging: 100W SuperVOOC Super Flash Charge (charges to 50% in 9 minutes, fully charged in 23 minutes)Oppo K13 Turbo smartphone batteryHealth: AI charging algorithm shows battery health reaches 80% after 800 cycles

Dimensity 8300 Ultra: 4nm chip, 25% more energy efficient than K12, dynamic refresh rate: 1-120Hz AMOLED screen, adjustable according to application, dark mode 2.0: save 8% power in supported applications

Apart from the SoC, the other specifications of the Oppo K13 Turbo phone are exactly the same. Both phones use a 6.8-inch AMOLED display with a resolution of FHD+ and a refresh rate of 120 Hz. OPPO emphasizes that the combination of active cooling fans and built-in radiators can keep the phone temperature between 41°C and 43°C when running MOBA and open world mobile games. In terms of internal configuration, the OPPO K13 Turbo is equipped with a Dimensity 8450 processor, and the Pro version is equipped with a Snapdragon 8s Gen 4 processor.

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