Author: batteryforpc

iPhone 13 users are ecstatic! After upgrading to iOS 26.3, battery life has increased by an hour

This article will delve into the truth behind the iPhone 13 Smartphone Batterylife miracle” and provide a real-world user experience.

I. iOS 26.3 Battery Life Test: iPhone 13 Battery Life Improves by 74 Minutes, While iPhone 16 Battery Life Decreases?


Authoritative Test Data Released: The well-known YouTube channel iAppleBytes recently conducted rigorous battery life tests on several iPhones upgraded to iOS 26.3, focusing on the iPhone 13. All models were tested with screen brightness set to 25%, automatic brightness adjustment turned off, and connected to the same Wi-Fi network. The test used the Geekbench 4 battery stress test tool for high-load testing. The iPhone 13 achieved a battery life of 6 hours and 33 minutes, an improvement of 74 minutes compared to the previous generation, making it the model with the largest iPhone 13 Smartphone Battery life improvement in this update. Meanwhile, iPhone 16 users experienced a significant setback, with battery life decreasing by 93 minutes, sparking online jokes that “Cook is robbing the rich to help the poor.” II. Why is the iPhone 13 the “Biggest Winner”?


1. The Energy Efficiency Advantage of the A15 Chip
The A15 Bionic chip in the iPhone 13 uses TSMC’s advanced 5nm+ process and integrates 15 billion transistors. The most impressive aspect of this chip isn’t its “highest performance,” but its extremely high energy efficiency. In everyday use, the A15’s power consumption control is excellent—it consumes 20% less power than the A14 when performing the same task, while its performance is sufficient to handle all mainstream applications in 2026.
2. The Powerful Foundation of the 3227mAh High-quality iPhone 13 smartphone battery
Compared to the iPhone 12’s 2815mAh battery, the iPhone 13’s battery capacity has increased to 3227mAh, a 15% increase. The larger battery capacity, combined with the A15’s low power consumption, easily achieves over 7 hours of screen-on time in daily use. This strong foundation provides ample room for future system optimizations

.III. Real-world Testing: iPhone 13’s Battery Life Remains Excellent After 500 Days


Commuting Scenario: Only 68% Battery Consumption in 5 Hours
One user tested the iPhone 13’s daily battery life in 2026: a 5-hour high-speed train journey, automatically switching between 5G and Wi-Fi networks, including 2 hours of short video playback, 1 hour of WeChat chatting, 1 hour of navigation, and 1 hour of music playback. The iPhone 13 still had 32% battery remaining. Even in 2026, this battery performance remains impressive, far exceeding current mainstream Android flagship models.
Daily Use: One Charge a Day is Enough.
For the average user, the iPhone 13’s battery life can be described as “stable”: light users typically have 30%-40% battery remaining after a full charge in the morning; moderate users who only use it for watching videos, chatting, and scanning QR codes only need to charge it once a day. Actual testing shows that the screen-on time remains stable at around 6 hours and 20 minutes, fully meeting the needs of all-day use.


iPhone 13 Smartphone Battery Aging Issues
Even more impressive is the iPhone 13’s battery durability. Data shows that after three years of normal use, the battery health remains above 80%. Even if the health drops below 80%, Apple offers iPhone 13 battery replacement service.


IV. Upgrade Recommendations: Does Your iPhone 13 Need an Upgrade?


For users eager to upgrade:
If your iPhone 13 battery health is above 80%, you can confidently upgrade to iOS 26.3. Actual testing shows a significant improvement in battery life and smoothness after the upgrade. Many tech bloggers list it as their top choice, calling it a smooth “retirement-level” experience.

iPhone 13 Battery Aging Issues
Even more impressively, the iPhone 13’s battery has withstood the test of time. Data shows that after three years of normal use, the battery health still remains above 80%.Replacing iPhone 13 smartphone battery immediately “fully restores” battery life, allowing for another two years of use.

From “charging twice a day” to “charging once a day,” from “wanting to upgrade” to “can still be used for three more years”—the significant improvement in iPhone 13 Smartphone Battery life brought by iOS 26.3 is undoubtedly a boon for iPhone 13 users. In 2026, the mobile phone industry has entered a period of innovation bottleneck. For ordinary users, “good enough, stable, and worry-free” is more important than “cool configuration.” The iPhone 13 perfectly embodies this consumer mentality.
Are you still using an iPhone 13? Have you upgraded to iOS 26.3? Welcome to share your iPhone 13 usage experience.

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Apple Watch Ultra 2 battery life

Apple doesn’t reveal theApple Watch batterycapacity of its Apple Watches when it releases new hardware, preferring to discuss Apple Watch Ultra 2 batterylife in terms of days and hours of use. But information about the upcoming Apple Watch Series 9 and Apple Watch Ultra 2 has been hiding in Chinese regulatory databases, according to MacRumors.

The site reports that the capacity of the Apple Watch Series 9 has not changed, remaining at 282mAh and 308mAh for the 41mm and 45mm models, respectively. Despite this, the Apple Watch Ultra 2 batteryis still rated at 18 hours of battery life, presumably because the 25% efficiency savings promised by the new S9 chipset have been absorbed by the brighter screen, which can now reach 2,000 nits. The Apple Watch Ultra 2, meanwhile, is slightly larger — though the difference isn’t huge. The site claims that the Apple Watch Ultra 2 batteryhas a capacity of 564mAh — up from the 542mAh (or about 4%) of the Apple Watch Ultra 1 battery. Apple again says the Ultra 2 will still last 36 hours under normal use (the efficiency of the S9 chipset helps the screen reach a brighter 3,000 nits), but here’s where things get a little confusing.
The company also says the Watch Ultra 2 will last up to 72 hours in low-power mode, up from 60 hours on the original. That sounds like the S9 chip might be offering some clever tricks to save more power in power-saving mode, but maybe not. As MacRumors spotted, the fine print on each phone suggests the numbers were arrived at via different methods. The 60-hour figure was derived from 15 hours of hiking, “over 600” time checks, 35 minutes of app use, three minutes of calls, and 15 hours of sleep tracking. The 72-hour total came from 360 time checks, 180 minutes of app use, and a two-hour music workout over Bluetooth.

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Asus VivoBook S510 review: Weak battery life holds this powerful ultralight back

With a thin chassis, a large display, an Intel Core i7 processor, and a midrange price, the Asus VivoBook S510 aims to be a stylish and spacious Ultrabook for those who like to get things done. While we were impressed by its look, feel, and flexibility for everyday office tasks, the S510 fell short in one key area:

Asus VivoBook S510 Laptop Battery

Life. The S510’s viewing angles are decent. Yes, the screen dims noticeably when viewed from center, left, right, or up or down at about a 30-degree angle, but charts, documents, and images remain clear, and colors don’t invert when you tilt the screen upward. Keyboard, Trackpad, Speakers, and Webcam

The S510 has a large, backlit keyboard with typical chicklet-style keys. The keys themselves are quite responsive, with a moderate amount of travel and a slightly concave feel. Typists who are used to hitting the keyboard hard (I raise my hand) may notice a bit of flex in the middle of the keyboard, though. Overall Performance

The VivoBook S510’s Core i7-7500U’s performance is predictable for a dual-core chip: responsive for everyday work but sluggish for more demanding, CPU-intensive tasks that quad-core Ultrabooks can easily handle

Asus VivoBook S510 Laptop Battery

Life

Battery life is the most interesting, not to mention disappointing, aspect of the Asus VivoBook S510. We test laptop battery life by looping a 4K video file using the Windows 10 Movie & TV app with the volume turned down to half (we kept a pair of headphones plugged in) and the display set to about 250 nits. For the S510, that means the brightness setting is nearly maxed out. Normally, we’d expect a laptop of the VivoBook’s size and weight to last eight or nine hours on our

Asus VivoBook S510 Laptop Battery

rundown test. Unfortunately, the S510 lasted just under five hours.

What’s going on? According to Windows Task Manager, the S510’s CPU speed rarely exceeded 1.5GHz during testing (and was actually much lower than the CPU’s idle speed of around 2.5GHz), so an overactive processor isn’t the culprit. A more likely culprit is the 15.6-inch 1080p display, which must be cranked up to meet our minimum standards for room brightness.

Conclusion

The $799 VivoBook S510 looks tempting, with a 15-inch display, strong productivity features, and a generous selection of ports, all crammed into a sleek 3.7-pound chassis. Unfortunately, theAsus VivoBook S510 Laptop Battery life is short, which means you’ll be searching for a power outlet sooner than expected.

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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 tabletThe 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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Create a battery maintenance plan for your 12.9-inch iPad Pro

This guide is divided into three main parts: how to check battery health, proper daily maintenance, and when to consider replacing the iPad Pro 12.9-inch battery.
**Charging Habits:** Keep the battery between 20% and 80%. Charge only when needed, avoiding frequently draining the battery to shutdown. Enable “Optimize Battery Charging” in System Settings. Path: Settings > Battery > Battery Health & Charging > Optimize Battery Charging.
This feature learns your daily charging habits and delays charging above 80%, only fully charging when needed, reducing the time the battery spends at full charge. **Long-Term Storage:** If you plan not to use your iPad for several months, charge the iPad Pro 12.9-inch battery to around 50%, then turn it off and store it in a cool, dry place. Storing it fully charged or completely depleted for extended periods will cause irreversible battery capacity degradation.
**When to Consider Replacing iPad Pro 12.9-inch battery
Batteries naturally age over time. You might need to consider replacing your iPad Pro’s battery if the following occurs:
Battery health below 80%: Check in “Battery Health.” If the “Maximum Capacity” is below 80%, it means the battery has reached the end of its life and you should consider replacing it.
Severely reduced battery life in the 12.9-inch iPad Pro: Even with light use, a full charge won’t last more than half a day.
Unexpected issues: Frequent automatic shutdowns (especially when the battery is between 20% and 30%), abnormal overheating, or a “Battery needs repair” message popping up in the system.
If your 12.9-inch iPad Pro is indeed a newer model from 2018 or later, you can find the battery health percentage directly in “Settings.” Or, if you want to know more about the12.9-inch iPad Pro’s battery, feel free to ask me anytime!

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Honor GS3 Smart Watch Battery Maintenance and Health Status

The Honor Watch GS3 is a smartwatch that emphasizes style and accurate measurement. To ensure its long-term optimal performance, proper daily use and maintenance of the Honor GS3 Smart Watch Batteryare crucial. Here’s a maintenance guide, mainly divided into daily usage habits and battery health maintenance.Honor GS3 Battery Maintenance Guide
To better understand how to maintain your watch, let’s look at it from two dimensions: “Daily Power Saving” and “Long-Term Battery Health”: turn them off when not necessary and use raise-to-wake instead.
Choose a suitable watch face:Prioritize low-brightness or static watch faces; dynamic watch faces consume extra power.Avoid high temperatures and direct sunlight: High temperatures are the number one killer of lithium batteries, and in severe cases, can even cause the watch to automatically shut down to protect the circuitry.
Maintain theHonor GS3 Smart Watch Battery level between 20% and 90% for optimal lithium battery performance.
Use a certified charger: Connect the watch to a power source using a qualified 5V/1A or 5V/2A charging adapter. Inferior chargers often have unstable voltage and current, which can easily damage the battery.
Keep charging contacts clean: Regularly wipe the charging contacts and charging dock on the back of the watch with a dry, soft cloth to prevent dust or sweat from affecting charging efficiency.
When should you consider replacing the Honor GS3 smartwatch battery?
The smartwatch battery is built-in and cannot be replaced by the user. If you encounter the following situations during daily use, it may mean that the battery has reached the end of its life and you need to contact official after-sales service for inspection:
Severely reduced battery life: After a full charge and with all non-essential functions turned off, the battery life is far less than when it was new (the Honor GS3 smartwatch battery typically lasts about 14 days).
Abnormal shutdown: The watch suddenly shuts down when the battery level shows 20%-30%.
Abnormal charging of the Honor GS3 smartwatch battery: The charging speed is extremely slow, or it cannot charge at all, and the charger and contact points have been ruled out as the cause.
Physical bulge: The watch screen or back case is slightly pushed up, creating a gap (this is a very dangerous sign, and the watch should be stopped and sent for repair immediately).


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Light, powerful, and with up to 20 hours of battery life – LG Gram Pro 16 laptop review

The lightweight champion. As a long-distance runner with a powerful Core Ultra 7, the LG Gram Pro 16 is a strong companion for travel. But this LG Gram Pro 16 laptop also impresses at home and for entertainment with its excellent sound quality and picture.
The LG Gram Pro 16Z90TS-G.AU89G perfectly fits the tradition of the LG Gram series and embodies the brand’s core values: lightness, high-quality casing and impressive
LG Gram Pro 16 laptop battery
life. LG has once again succeeded in developing a laptop that combines portability and productivity.
The manufacturer’s choice of a powerful integrated graphics solution (iGPU) instead of a dedicated graphics card may seem unusual at first glance, but it pays off in practice. The laptop’s Intel Arc Graphics 140V delivers excellent performance for everyday tasks and even some more demanding applications. Its matte IPS screen is a welcome change from the reflective OLED display of its predecessor and offers excellent outdoor readability. Despite the slim design, the LG Gram Pro 16’s keyboard feels great to type on, with good tactile feel and stability. The backlighting allows you to type even in dark environments. The large touchpad (13 × 8 cm) allows for precise navigation, and its palm recognition works flawlessly.Nevertheless, the LG Gram Pro 16Z90TS-G.AU89G is an excellent laptop for those who are looking for a lightweight, portable, and durable device. It combines an efficient Lunar Lake processor, a large 77 Wh LG Gram Pro 16Z90TS-G.AU89G battery, and a lightweight casing, making this laptop an ideal companion on the go.Like most LG Gram laptops, the LG Gram Pro 16Z90TS-G.AU89G is focused on mobility. This means that its computing power may be slightly lower compared to its competitors. The laptop’s benchmark results confirm this.

The LG Gram Pro 16Z90TS-G.AU89G is a powerful and extremely mobile laptop. With its efficient Lunar Lake processor, integrated Intel Arc Graphics 140V, and fast 1 TB SSD storage, it delivers solid performance for demanding tasks and everyday use. Particularly noteworthy is its nearly 20 hours of LG Gram Pro 16Z90TS Laptop battery life, excellent screen, and lightweight yet rugged chassis.

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Huawei MatePad Pro 11 Battery Daily Usage Habits: A Complete Guide to Correct Usage

The Huawei MatePad Pro 11 features a large 8300mAh Huawei MatePad Pro 11 battery, supporting up to 66W SuperCharge. Proper daily usage habits can extend the battery’s lifespan. Here are six key usage guidelines: **Core Principle:** Avoid completely draining or overcharging the battery. Ideally, maintain a charge/discharge level between 20% and 80% to protect and extend battery life.
Real-world Testing:Some users have reported that the MatePad Pro 11’s 8300mAh battery provides approximately 7.5 hours of normal use (browsing Bilibili, playing light games), and up to 11.5 hours of video playback. Charging between 20% and 80% helps maintain good battery health over a long period. Check USB Port for Dryness:After connecting the charger, the device will automatically detect the USB port. If moisture is detected, Huawei MatePad Pro 11 batterycharging will automatically stop. Disconnect the device at this point and wait for the USB port to dry before charging.
Maintain ventilation and heat dissipation: Do not cover the device or charger while charging. It is recommended to remove the protective case to facilitate heat dissipation.
Avoid using the Huawei MatePad Pro 11 battery while charging: It is recommended to avoid using the device while charging, especially running high-load applications (games, video calls, etc.).
Disconnect promptly after full charge: When the device is fully charged or not charging, please disconnect the charger from the power outlet.
Daily usage habits:Huawei MatePad Pro 11 battery, saving power and maintaining it simultaneously
(I) Screen brightness managementThe screen is a major power consumer of tablets; properly controlling brightness is crucial for battery life.
Correct practice: Keeping the screen brightness at an appropriate level can reduce power consumption and extend battery life. For daily use, it is recommended to enable automatic brightness adjustment, allowing the system to intelligently adjust according to ambient light.
Power-saving tips: In well-lit environments, there is no need to use the highest brightness; in low-light environments, appropriately reducing brightness can save power and protect your eyes.
(II) Background application managementClosing unnecessary background applications can significantly reduce power consumption.
To reduce power consumption on your Huawei MatePad Pro 11 battery, the correct approach is to close unnecessary or unused background applications. This reduces CPU and memory load, thus lowering power consumption.
Solution: Swipe up from the multitasking interface to close the application, or restrict background activity for specific applications in settings.

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Xiaomi Poco F7 Ultra review – Super-fast smartphone aims to challenge rivals

The Poco F7 Ultra is Xiaomi’s flagship for 2025, and it offers a strong overall configuration, a versatile camera, and some AI features. While it may not live up to the title of “flagship killer”, it is still an impressive smartphone. The Xiaomi Poco F7 Ultra impressed with its high performance, battery life, and good camera setup in our tests. It is IP68 certified, which means it is dust and water resistant. In addition, it supports wireless and wired fast charging. The slightly outdated USB 2.0 port is slow. The Wi-Fi module lacks the 6 GHz band, and the Poco smartphone does not offer eSIM support. With only four major Android updates, its Xiaomi Poco F7 Ultra Smartphone Batterylife is also shorter than that of Samsung’s mid-range smartphones – the Poco F7 Ultra has a battery capacity of 5,300 mAhUltra is based on Qualcomm’s latest top-of-the-line SoC and also comes with an improved camera. You can learn about the other features of the Poco F7 Ultra in our tests. The Xiaomi Poco F7 Ultra supports all modern communication standards, including 5G Sub6 with good band coverage. Reception on the smartphone was consistently good in metropolitan areas.Using Xiaomi’s HyperCharge, the smartphone can charge wirelessly up to 50W and wired up to 120W. With the right power adapter,
Xiaomi Poco F7 Ultra Smartphone Battery
It takes just 31 minutes to fully charge (12 minutes to 50% and 21 minutes to 80%).Poco supports Wi-Fi 7, but not the 6 GHz band. On the 5 GHz band, it achieved decent transfer rates with our Asus ROG Rapture GT-AXE11000 reference router; the rates were mostly stable. Phone Features and Voice Quality – Without eSIMThe Poco F7 Ultra supports common features like VoLTE and Wi-Fi calling, but does not offer eSIM support. Video can be recorded in UHD up to 60 FPS using the triple camera; up to 8K (24 FPS) if you use only the main sensor. Power consumption on the Poco F7 Ultra is fairly balanced.
Xiaomi Poco F7 Ultra Smartphone Battery
Long runtimes are possible: In our WLAN test, more than 18 hours of runtime were achieved with adjusted display brightness (150 cd/m²).

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AI Batteries: When Artificial Intelligence Meets the Energy Revolution

In early 2026, news ignited the global battery industry: at the World Economic Forum Annual Meeting in Davos, Switzerland, CATL (Contemporary Amperex Technology Co., Limited) won the WEF MINDS Award for its AI-driven battery R&D platform, recognizing its groundbreaking achievement in “enhanced intelligence leading next-generation lithium-ion battery design.”

This was not only a highlight for CATL, but also a significant signal for the explosive growth of the entire “AI + battery” sector. When artificial intelligence meets energy storage, a profound industrial revolution is quietly taking place.

What is an “AI Battery“?

An “AI battery” does not refer to a battery with a built-in AI chip, but rather to the widespread application of artificial intelligence technology throughout the entire battery lifecycle, from R&D and design to production, management, and recycling.

Specifically, AI battery technology encompasses two main dimensions: first, accelerating new material discovery and cell design through machine learning algorithms, transforming traditional “trial-and-error” R&D into “data-driven” intelligent design; second, optimizing the Battery Management System (BMS) through AI to achieve real-time health monitoring, predictive maintenance, and intelligent charge/discharge strategies, maximizing battery life and safety.

The platform showcased by CATL in Davos is a prime example of this. This platform integrates best practices in materials science, cell design, manufacturing processes, and equipment, combining physics-based electrochemical models with machine learning. Running on a private cloud, it utilizes over 50 million data records. Through physics-information machine learning and “intelligent agent AI,” this system acts like a digital engineer, automatically generating, evaluating, and optimizing design solutions.

Even more impressively, the platform is trained on over 100,000 battery design cases, 600TB of test data, and extensive after-sales data from new energy vehicles, achieving a prediction accuracy of up to 95%. It can generate design suggestions within seconds and complete virtual cell designs within minutes.

Market Size: A Golden Track from $3.5 Billion to $8.3 Billion

AI-driven battery technology is becoming a new hot spot for capital investment.

According to the latest “2026 AI-Driven Battery Technology Market Report,” the global market size is projected to more than double from $3.58 billion in 2025 to $8.38 billion by 2030. Between 2026 and 2030, this sector is projected to grow at a CAGR of 18.4%, primarily driven by increasing demand for mobile electronic devices, the integration of renewable energy, and the evolution of the electric vehicle industry.

The explosive expansion of the electric vehicle market is a major catalyst for this technological growth. As the world shifts towards cleaner transportation solutions, electric vehicle sales continue to climb—1,212,758 EVs were sold in the US market in 2023, a 49% year-on-year increase; this further increased to 1,301,411 units in 2024. The integration of AI technology is significantly improving electric vehicle performance. By optimizing battery management systems, monitoring battery health in real time, and providing predictive maintenance, it not only extends battery life but also effectively reduces maintenance costs for owners and improves vehicle reliability.


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