Author: batteryforpc

Canon R5 Mark II review: The new hybrid king?

Design: Mid-sized, classic Canon style. In terms of size, the EOS R5 Mark II is in line with most other full-frame cameras. The body measures 3.9 x 5.5 x 3.5 inches (H x W x D) and weighs approximately 1.5 pounds without a lens.

The electronic viewfinder (EVF) displays a fairly large image, reaching 0.76x magnification with a 50mm lens and focused at infinity. This, however, detracts from the joy of black-out shooting (at 60fps, the live view screen dims as the camera captures an image, while the 120fps option flashes a white border around the edge of the viewfinder to let you know the camera has captured a photo). Blackout-free shooting is only available in electronic shutter mode. If you’re using an older Canon EOS R5 Mark II camera battery, the camera will display a warning message at power-up letting you know that video, network, and accessory compatibility are limited. I think the warning is useful, but wish there was a way to suppress it — a “don’t show this message again” checkbox or menu option would certainly be welcome. This reminder screen can cause you to miss quick, candid moments, which is almost unacceptable on a pro camera.


Charging the Canon EOS R5 Mark II camera battery:

In-Camera Charging: The EOS R5 Mark II supports in-camera USB charging and power delivery via its USB-C port. You can use a compatible USB-C PD (Power Delivery) power adapter to charge the battery or power the camera indefinitely for long sessions like video streaming or timelapses.

External Charger: Canon offers the Canon LC-E6E charger (or the LC-E6E CH for specific regions). An external charger is highly recommended so you can charge oneCanon EOS R5 Mark II camera battery while using another.


Its chassis is made of magnesium alloy, while the exterior features a mix of metal, leatherette, and polycarbonate. It’s also weather-sealed, which is expected for a camera of this level. The R5 Mark II is dust and splash resistant, so you can confidently use it outdoors and on location, though it’ll also perform equally well in the studio. Meanwhile, the M-Fn, record, and LCD backlight buttons are in the same place as before, as is the top display, a monochrome OLED that shows exposure settings, Canon EOS R5 Mark II camera battery life, and other miscellaneous information. The R5 II uses a Mode button to switch between Aperture, Shutter, Program and Manual shooting, and it’s in the same place as the R5, in the center of the Quick Control dial.

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Dynabook Portege X30L review: Lightweight, long battery life

This ultra-light Dynabook laptop offers an excellent combination of life and performance.
Dynabook Portege X30L laptop batteryLifeDynabook is a fairly new name in the laptop world, but its roots run deep. The company was formerly part of Toshiba, which built its first laptop in 1985. Now Dynabook has branched out on its own, but it’s still producing laptops that stand out from the crowd because of their design, lightness, long battery life, and decent performance.
Dynabook Portege X30L Review: Performance and
Dynabook Portege X30L laptop battery
LifeThe X30L-K isn’t the fastest laptop on the market, but it’s got decent processing power. I found it had no problem running business apps, browsing the web, and streaming video, but it struggled a bit with video editing and gaming.
The Portege X30L-K may be a thin and light laptop, but when it comes to battery life, it’s definitely not thin and light. It lasted an impressive 13 hours and 2 minutes on the PC Mark 10 test, which plays a 1080P video until the Dynabook  laptop battery is dead. I also tested this laptop using PC Mark 10’s Modern Office test, which simulates someone working intensively on a spreadsheet and other common work tasks, and the battery life was about the same at just over 13 hours. That’s pretty impressive.
One thing to note is that I turned the screen brightness down to 200 Cd/M2 for both tests, two stops below minimum brightness. I did this for consistency so different laptops tested similarly. Turning the screen brightness up would undoubtedly shorten theDynabook Portege X30L laptop batterylife.
Dynabook Portégé X30L-K laptop cover
Compared to other similarly sized laptops, the Dynabook Portégé X30L-K is very light.
DYNABOOK PORTÉGÉ X30L-K Review: ConclusionThe Portégé X30L-K is an attractive product that’s packed with features. It has excellent battery life and good performance, as well as plenty of ports. That means you can connect to your TV, wired network, USB hubs, and other devices without having to carry around a bunch of dongles and adapters.
DYNABOOK PORTÉGÉ X30L-K Review: Also ConsiderOur guide to the best lightweight laptops is a good place to start, as this is a very competitive area of ​​the laptop market. If the Portégé X30L-K’s price is a little beyond your budget, take a look at the cheaper Dell XPS 13 models.

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Apple iPhone 17 Pro latest model exposed: clearly showing the new “camera bar” design

IT Home noticed that from the pictures, the iPhone 17 Pro adopts a new camera layout, abandoning the traditional camera bulge design and changing it to a “camera strip” that runs through the back of the phone. This design makes the camera area more integrated with the overall phone, and more visually unified and coordinated. The black version of the iPhone 17 Pro is particularly eye-catching under this design, and the transition between the camera strip and the body is natural and smooth, with a full sense of integrity.
There is no official information about the battery of the iPhone 17 Pro (expected to be released in September 2025), but based on Apple’s upgrade rules and industry trends, we can make the following reasonable predictions and analysis:iPhone 17 Pro BatteryKey Upgrade Prediction1. Battery CapacityEstimated Capacity:
iPhone 17 Pro Battery: About 3500mAh~3700mAh (iPhone 16 Pro is expected to be 3350mAh).
iPhone 17 Pro Max Battery: May exceed 5000mAh (iPhone 16 Pro Max is expected to be 4850mAh).
In recent years, Apple has gradually increased the battery (iPhone 15 Pro Max is 4422mAh) to cope with the power consumption of high refresh screens and AI functions.
Wireless charging:
Maintain 15W MagSafe, may support Qi2 standard (improve third-party wireless charging compatibility).
3.iPhone 17 Pro BatteryBattery life optimizationA19 Pro chip:
TSMC 2nm process, energy efficiency increased by 20%~30%, directly extending battery life. iOS 19 system: Strengthen AI power saving management (such as background process intelligent freezing). Screen technology:
LTPO OLED adaptive refresh rate (1Hz~120Hz) upgraded to **1Hz~144Hz**, further saving power.
Will Apple hide some new functional surprises in this rearranged camera layout? For example, is the decision to move the flash and lidar sensor to the right just an aesthetic consideration, or is there a deeper technical or functional logic behind it? These questions may not be revealed until the iPhone 17 Pro is officially released.
According to previous reports, the iPhone 17 Pro series will usher in a series of camera function upgrades this fall. This includes an upgraded 48-megapixel telephoto lens, support for multi-camera video recording, and an increase in the front camera pixel to 24 million.

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Xiaomi Mi 16 Pro rumored to ditch the quad-curved display

Rumors suggest the Xiaomi Mi 16 Pro will feature a slightly larger 6.8-inch display (possibly up to 6.85 inches), up from the Mi 15 Pro’s 6.73-inch display. Leakster Smart Pikachu has some good news for those who dislike the quad-curved display of the 2024 model—Xiaomi will go with a flat display this time.
Based on the most reliable rumors and industry analysis,
TheXiaomi Mi 16 Pro Cell Phone battery
is expected to have the following configurations:
Estimated Battery Specifications and Features
Battery Capacity: Expected to be equipped with a high-density silicon-carbon anode battery between 5000mAh and 5300mAh.
Reason:
TheXiaomi Mi 14 Pro battery
is 4880mAh. To cope with the power consumption of the higher-performance processor and larger screen, a larger capacity is inevitable. Xiaomi’s Surge Power system continues to drive battery technology advancements, and a capacity exceeding 5000mAh is highly likely.
Fast Charging Technology:
Wired Fast Charging: Expected to support 120W HyperCharge. This is a very mature technology that Xiaomi is expected to continue to use in its next-generation flagships, potentially with an optimized charging curve.
Expected Battery Performance (Battery Life): Thanks to the improved energy efficiency of the next-generation Qualcomm Snapdragon 8 Gen 4 processor (expected), Xiaomi’s in-depth software and hardware optimizations, and a battery over 5000mAh, the Xiaomi Mi 16 Pro’s battery life is expected to be excellent, easily meeting a day of heavy use.
Charging Speed: 120W fast charging means that in extreme mode, the phone can be charged from 0 to 100% in approximately 20 minutes. A short charge (e.g., 10 minutes) can provide a significant amount of power, effectively alleviating battery anxiety.
Factors that May Affect the Performance of the Xiaomi Mi 16 Pro Cell Phone battery
Screen: The phone is expected to feature a high-quality 2K+ resolution display with LTPO adaptive high refresh rate support (1-120Hz). LTPO technology significantly reduces power consumption when displaying static images, which is key to ensuring battery life.
Processor: Powered by Qualcomm Snapdragon 8 Gen 4 The chip uses TSMC’s more advanced process technology, and its energy efficiency (performance-to-power consumption) will be a key factor in determining battery life.
Summary and RecommendationsIn summary, you can expect the following from the Xiaomi Mi 16 Pro:
Large CapacityXiaomi Mi 16 Pro Cell Phone battery: Expected to be over 5000mAh, ensuring reliable battery life.
Top-tier Fast Charging Combination: 120W wired + 50W wireless charging for incredibly fast charging.
Powered by proprietary chipsets: Surge P and G series chips provide safer and more efficient energy management.
Powerful Hardware and Software Synergy: The new processor and HyperOS work together to ensure energy efficiency.
The curved bezels “hide” the true thickness of the bezels, so Xiaomi will reportedly reduce the bezels on the flat display to compensate, making the 15 Pro and 16 Pro look comparable.
The new display will feature improved eye protection technology that works at high brightness levels (exactly how this works is another question).
Previously, we learned that the Xiaomi Mi 16 Pro and Mi 16 Ultra They will feature the same 6.85-inch LTPO OLED display with a “2K+” resolution. According to leakers, they will be powered by a Snapdragon 8 Elite 2 processor and boast cameras that surpass those of the iPhone. Speaking of cameras, the Mi 16 and Mi 16 Pro will also feature upgraded selfie cameras—a new ultra-wide-angle lens with autofocus will sit in front of a 50-megapixel sensor and support 4K @ 60fps video recording. The Mi 15 series’ selfie camera is a 32-megapixel ultra-wide-angle lens, but lacks autofocus.
Xiaomi is rumored to be adding a new member to its flagship lineup this year—a 6.3-inch Mi 16 Pro mini (name yet to be determined), in addition to the 6.8-inch Mi 16 Pro. The smaller Pro version is expected to be powered by the same Elite 2 chip as the larger version, and its main camera will reportedly feature a 50-megapixel 1/1.28-inch sensor. It will be equipped with a 6300mAh Mi 16 Pro. The Pro phone battery is larger than the Xiaomi 15 Pro Cell Phone battery capacity (6100 mAh).

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The standard version will continue to retain and will be equipped with a largerXiaomi Mi 16 Pro Cell Phone battery

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GoPro Hero 13 Black review: Almost every feature has been upgraded

GoPro pioneered the action camera market and dominated for years. However, competitors have finally caught up in the past few years, and the Hero 13 still has a lot to prove to both veteran GoPro users and those considering their first action camera.GoPro Hero 13 Camera BatteryIt offers increased capacity and is resistant to cold and high temperatures. Unfortunately, this means that if you already own GoPro batteries, they will not be compatible with the Hero 13, andGoPro Hero 13 Camera BatteryIt is also not compatible with other GoPro cameras.

The Hero 13 now has a slow-motion burst mode and can record 5.3K footage at 120fps. If you reduce the resolution to 720p, you can even record at 400fps. While the resolution is admittedly low and grainy, I appreciate the ability to record at 400fps in a pinch. It also supports 4K continuous recording at 120fps and adds HLG HDR video recording.

This helps improveGoPro Hero 13 Camera Battery life has increased by 13.5%, thanks in part to the new 1900mAh Enduro battery.

While the GoPro Hero 13 Black appears largely to be an incremental upgrade, the camera does bring some new and exciting features. Previously, interchangeable lenses on Hero cameras couldn’t communicate with the camera. However, the Hero 13 solves this problem by establishing electronic communication between the lens and camera, allowing the Hero 13 to automatically adapt to a variety of new and upcoming lenses. This opens up many exciting possibilities, and I’m excited to have the opportunity to explore them.

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Samsung Galaxy Watch 8 review: A practical smartwatch

The Galaxy Watch 8 is one of the first smartwatches to natively support Google Gemini. The new Galaxy Watch 8 is even thinner and lighter than its predecessor.
The 40mm model weighs only 30 grams, while the 44mm model weighs only 34 grams. This undoubtedly makes it more comfortable to wear for extended periods. The smartwatch also has an IP68 water resistance rating, meaning it can withstand being submerged in up to 1.5 meters of water for 30 minutes.
Performance andSamsung Galaxy Watch 8 BatteryLife: Excellent Performance
Additionally, it’s 5ATM and MIL-STD-810H certified, enhancing its durability. Speaking of the display, the Samsung Galaxy Watch 8 features a 1.47-inch Super AMOLED screen with a peak brightness of 3,000 nits, up from 2,000 nits on the Galaxy Watch 7. The display is bright enough to display even in strong sunlight, and I could easily read notifications, messages, and more.
Samsung Galaxy Watch 8 BatteryLife is averageChipset – Exynos W1000Memory and Storage – 2GB RAM + 32GBSensors – Samsung BioActive sensor, accelerometer, compass, light sensor, gyroscope, barometer, temperature sensor, etc.GPS – YesSamsung Galaxy Watch 8 Battery435mAhOperating System – WearOS 6The Galaxy Watch 8 is powered by the Samsung Exynos W1000 processor, offering improved performance and power efficiency compared to previous generations. This is evident in daily use: whether using workout modes, playing music, replying to messages, or performing other tasks, the smartwatch is responsive and smooth. The Samsung Galaxy Watch 8 also boasts a range of AI features and workout modes.Samsung Galaxy Watch 8 BatteryDuring our testing, with all features enabled (including AoD and heart rate tracking), the Samsung Galaxy Watch 8 Battery barely lasted 24 hours

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Samsung Galaxy Tab S11 battery life and health management

The Galaxy Tab S11 has not yet been released (expected for early 2025). All information is based on reasonable projections based on Samsung’s past strategies, industry trends, and technological developments.
The Tab S11+ and Tab S11 are also expected to feature large-capacity batteries, approximately 10,000 mAh and 8,000 mAh, respectively, to ensure excellent battery life across the board.Samsung Galaxy Tab S11 BatteryCharging Speed
Tablets typically charge more conservatively than phones to ensure battery life and charging safety.
Function: This is the most direct and effective feature for extending the battery life of the Samsung Galaxy Tab S11. When enabled, the system limits charging to 85%. Leaving the Samsung Galaxy Tab S11 Battery fully charged or completely depleted for extended periods accelerates aging, so maintaining a charge between 30% and 80% is ideal.
Battery health management tips for future Tab S11 usersThese tips are based on current, proven practices and will apply to the Tab S11 as well:
Enable “Protect Battery”: This is the most important setting, especially for tablets that are frequently connected to a charger.
Avoid extreme temperatures: Avoid using your tablet in high temperatures (such as a closed car in the summer) or low temperatures for extended periods of time.
Charge as you go: No need to intentionally drain the battery before charging. Regularly plugging in your phone when the Samsung Galaxy Tab S11 Batteryis above 20% is better for the Samsung Galaxy Tab S11 battery.
Update the system regularly: Samsung optimizes battery management algorithms and energy efficiency through system updates.
Summary: With the Samsung Galaxy Tab S11, you can expect:
Long-lasting battery life from its large capacitySamsung Galaxy Tab S11 BatteryA mature and intelligent software battery management ecosystem, including core features like “Protect Battery” and “Adaptive Battery.”
A fundamental improvement in energy efficiency from the next-generation high-performance chip. Charging speeds may not be radically improved, but 45W fast charging is more than sufficient for a tablet.
Ultimately,Samsung Galaxy Tab S11 Batterylifespan and health management will be the result of a combination of hardware fundamentals, software intelligence, and good user habits. You can be assured that Samsung will provide powerful tools for this purpose.

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Lenovo Yoga Book C930 Battery Test

First and foremost, the Lenovo Yoga Book C930 is a very unique and cutting-edge 2-in-1 device released in 2018.
Lenovo Yoga Book C930 Laptop Battery Specifications and Official ClaimsBattery Capacity: It has two built-in rechargeable lithium-ion batteries totaling 48Wh.
According to official data, in a local video playback test, the Lenovo Yoga Book C930 battery
lasted approximately 8 hours. This figure is based on ideal laboratory conditions.
Real-WorldLenovo Yoga Book C930 Laptop BatteryLife ExperienceIn actual daily use, battery life varies significantly depending on usage patterns:
General Office Work and Web Browsing:
With medium screen brightness (approximately 75%), Wi-Fi enabled, and engaged in word processing, web browsing, and multitasking, most reviews report that theLenovo Yoga Book C930 Laptop Batterylasts approximately 5-6 hours. This performance was within the mainstream thin and light laptop range at the time, but it wasn’t outstanding for a device whose core selling point was portability.
Video Playback:
In airplane mode, playing local 1080P videos at 50% brightness and volume, the battery life approached or reached 7 hours, which is quite close to the official claim.
Intensive Use or Using the E-Ink Display:
If you perform more complex tasks or frequently use the main screen at high brightness, the Lenovo Yoga Book C930 Laptop Battery life will be further reduced to 4-5 hours.
A key feature is that when using the device as an e-book reader or notepad (using only the E-Ink display, with the main LCD screen turned off), the battery life is greatly extended, easily exceeding 10 hours, a significant advantage over traditional laptops.
Charging Speed: The Yoga Book C930 supports fast charging.
Officially, it charges to 80% in one hour. In actual experience, theLenovo Yoga Book C930 Laptop Battery
charges quickly, allowing for a large charge in a short period of time. This is very useful for mobile office scenarios where a quick recharge is needed.
Unique dual-screen battery life advantage: In pure E-Ink mode, the battery life is extremely long, perfectly suited for reading and note-taking.
Support for fast charging: This effectively alleviates concerns about the Lenovo Yoga Book C930 Laptop Batterycapacity.
In short, the Lenovo Yoga Book C930’s battery performance is “situational.” As a laptop, it’s passable; as an e-reader and notepad, it’s excellent. The fast charging function is a great addition. Today, itsLenovo Yoga Book C930 Laptop Batterylife is a clear shortcoming, but it doesn’t reflect its core value.

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Xiaomi Buds 5 Pro (Bluetooth) review: A dual experience

Xiaomi Buds 5 Pro (Concept Review): Double the Experience, Where Does the “Double” Exactly?
If the Xiaomi Buds 5 Pro truly exist, its “double the experience” will likely not only be a doubling of Xiaomi Buds 5 Pro Headphones Battery
 life, but a comprehensive leap forward in multiple dimensions.
Xiaomi Buds 5 Pro Headphones Battery and Battery Life: True “All-Day Compatibility”This is the part you care about most. To achieve this “double the experience,” battery life is key.
Forecast Data (Based onXiaomi Buds 4 Pro Headphones Battery9 hours single charge + 38 hours total battery life):
SingleMi Buds 5 Pro BatteryBattery Life: Expected to exceed 10-12 hours (with noise cancellation turned off). This means you don’t need to worry about battery life even during long meetings or commutes.
Total Battery Life with Charging Case: Expected to reach 40-48 hours. Easily handles a week of moderate use, achieving a “one-charge-per-week” charging case.
The deeper meaning of “Double
Xiaomi Buds 5 Pro Headphones BatteryDouble Charging Speed: They may support wireless fast charging and even leverage Xiaomi’s reverse charging optimization, enabling “15 minutes of charging” and “five hours of listening.”
Double Power Management: Equipped with a next-generation chip and Bluetooth Low Energy technology, they deliver powerful performance while also being more energy-efficient.Xiaomi Buds 5 Pro Headphones BatteryIn terms of “Double Experience,” this means a complete end to battery life concerns and a significant improvement in charging convenience.
Sound Quality Experience: Double the ImmersionUpgraded Coaxial Dual Driver Design: They may utilize a more advanced “coaxial dual dynamic” or “dynamic-to-metal” driver, independently driven by a single chip, resulting in clearer treble, more powerful bass, and a wider soundstage. Noise Cancellation Experience: Double the QuietnessDeeper Maximum Noise Cancellation: This may be increased from 43dB on the Buds 4 Pro to 45dB or even higher, isolating a wider range of noise.

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Apple MacBook Air M4 vs. MacBook Air M2: Small steps forward or big leaps forward?

In terms of Apple MacBook battery life, the official performance of the MacBook Air M4 and M2 is identical. However, thanks to its more advanced chip, the M4 may offer better power efficiency under heavy loads, potentially extending battery life in some situations.

In short: Both models can easily make it through a full day of use, but the MacBook Air M4  lasts longer, and theApple MacBook Air M4 battery is more energy-efficient under heavy loads.

Official battery life is the same: Wi-Fi: up to 15 hours; video playback: up to 18 hours. This applies to both the 13-inch and 15-inch M2 and M4 models. MacBook Air M4 Battery Capacity: Both models use lithium-polymer batteries of essentially the same capacity. Apple doesn’t provide specific figures, but teardowns and testing indicate that the M4 model doesn’t increase the physical capacity of the battery.

Charging Specifications: Both models support MagSafe or USB-C charging. The base 13-inch model ships with a 30W or 35W charger. Both models support an optional 70W USB-C fast charger, charging to 50% in 30 minutes.

Main Difference: Power Efficiency and Real-World Experience

The real difference lies in the M4 chip’s improved power efficiency, which results in subtle but noticeable differences in real-world usage:

The M4 excels in high-load tasks (video editing, code compiling, and complex software operations). Thanks to improved power efficiency, the M4 potentially consumes less power than the M2 when running these high-performance applications. This means that during periods of intense work, the MacBook Air M4’s battery will deplete more slowly than the M2, potentially giving it an extra half hour to an hour of Apple MacBook Air M2 battery life.

Choosing the MacBook Air M2: If your budget is relatively limited and your primary use is for everyday office work, school, and content consumption, the MacBook Air M2’s already long and adequate battery life makes it a very affordable choice.

Choose the MacBook Air M4: If you need to handle high-performance tasks like video editing and graphics processing, or want your computer to maintain better power efficiency and battery life for years of running AI applications, and you also want a better display, the extra cost of upgrading to the M4 is worth it, as it provides stronger Apple MacBook Air M4 batterylife even under heavy load.

In short, both MacBook Air models lead the pack in terms of battery life, so you don’t have to worry about it. Your choice should be based on your performance needs, display requirements, and budget.

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