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Samsung's Galaxy S26 Ultra now supports up to 60-watt wired charging and faster wireless charging, up from the 45-watt cap on previous flagships, while the S26+ also sees wireless speed gains. The base Galaxy S26 keeps 25-watt charging but gets a larger 4,300 mAh battery, up from 4,000 mAh in the S25.
A report from Dutch outlet Galaxy Club claims the upcoming Galaxy A38 carries a battery rated at 5,882mAh, likely to be marketed as 6,000mAh. That would mark the first capacity increase in the A30 line since the Galaxy A31 introduced a 5,000mAh battery six years ago. The leak also suggests charging speed will remain capped at 45W, matching the Galaxy A37.
AYN has disclosed specifications for its upcoming Odin 3 Portal handheld gaming device, confirming it will use a Snapdragon Elite processor and include a notably large battery. The device has not yet launched, but the spec sheet positions it among the most powerful Android gaming handhelds announced so far.
Apple's EU regulatory filing revealed iPhone Duo's battery totals 4883mAh, split across two cells of 2962mAh and 1921mAh. That places it between the iPhone 18 Pro (4288mAh) and iPhone 18 Pro Max (5567mAh), with Apple citing up to 44 hours of video playback on the outer display and 31 hours on the inner display.
Battery capacity refers to the maximum energy a battery can store, measured in mAh for phones and power banks or Wh for laptops, while battery life describes how long a device runs on a charge, usually in hours. Battery health is a separate percentage figure showing how much of the original capacity remains after repeated charge cycles. Google's Pixel 8a and later models are rated to retain 80 percent capacity after 1,000 full charge cycles.
OnePlus executive Li Jie Louis announced via Weibo that the upcoming OnePlus 16 will pack a 9,000mAh battery, up 1,700mAh from the OnePlus 15. The company also confirmed 50W wireless charging with bypass support, alongside previously revealed specs including a 185Hz display, Snapdragon 8 Elite Extreme Gen 6 chip, a 200MP main camera, a 50MP ultrawide, and a 50MP 3x telephoto lens. The phone launches in China on October 12 but won't reach Europe or the US.
Leaker Ice Universe claims Samsung's Galaxy S27 Ultra will weigh 218 grams, about 4 grams more than the Galaxy S26 Ultra, while keeping the same 7.9mm thickness. The extra weight follows earlier reports that the phone will carry a larger 5,700mAh battery, up from 5,000mAh in the current model.
Tom's Hardware evaluated 13 portable chargers spanning 5,000 mAh single-port units at 22W up to 25,000 mAh multi-port models delivering 220W. Prices ranged from the Cuktech CP12 (10K/20W) at $24.99 to the Anker Prime (A110B) 20K/220W at $129.99, with some units charging fully in four to six hours and others faster. The units differed in included cables, displays versus simple LED indicators, and physical design.
A technical explainer breaks down how to calculate the actual energy stored in a power bank by converting its milliamp-hour (mAh) rating into watt-hours (Wh) using battery voltage, typically 3.7V for lithium-ion cells. It notes that a 10,000 mAh bank stores about 37Wh, while modern MacBook batteries range from roughly 37Wh to 100Wh, meaning smaller power banks may not fully recharge larger laptop batteries.
Apple's iPhone 18 Pro Max ships with a battery-firmware lock that caps capacity below the 20Wh threshold that triggers international shipping restrictions on single-cell batteries. Once a customer activates the phone for the first time, the lock lifts automatically, restoring the battery to its full rated capacity of roughly 21-22Wh depending on the model. A 'Prepare to Ship' setting can reimpose the cap, limiting charging to 80 percent over 14 days, for anyone sending the device in for repair or resale.
Apple has built a 'Prepare to Ship' firmware feature into the iPhone 18 Pro Max that temporarily caps its battery below the 20Wh transport limit enforced in the US, EU and other regions. Once the device is activated by a customer, the cap lifts and the phone's full 5,391mAh capacity becomes available. The same toggle can be re-enabled manually when shipping a device for repair, trade-in or resale.
Apple confirmed the iPhone 18 Pro Max packs a single-cell battery exceeding 20 watt-hours, triggering extra international shipping regulations for large batteries. To comply, Apple built firmware that caps the battery below 20 Wh during manufacturing and transit, only unlocking full capacity once a user activates the phone. A new 'Prepare to Ship' toggle in Settings lets owners discharge the battery back below that threshold before repairs, trade-ins, resale, or gifting.