Apple's battery guide describes lithium-ion batteries as "consumable components" that naturally lose capacity over time. To slow that decline, iPhones use Optimized Battery Charging, which learns your ...

If you have an iPhone running iOS 26, you may have noticed that it now reports the estimated time to finish charging to 80% on the lock screen. If you are not using a fast charger, though, it will not ...

Smartphone batteries degrade naturally, but smart charging habits can significantly slow aging. Avoid full 0-100% cycles, ...

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