The maximum capacity of an iPhone measures how much the device’s battery has degraded over time. iPhones have lithium-ion ...

But there are also things that we can do to prevent battery wear. A research paper led by Jihyun Hong at Postech and Jongsoon Kim at Sungkyunkwan University on EV (electric vehicle) batteries uncovers ...

Discover 7 science-backed tips to extend your iPhone battery life and keep it performing like new for years to come.

Apple offers in-store battery replacement for $99 for the newest iPhone 15 models, which drops down to a minimum of $69 for the oldest iPhone SE and iPhone 5 models the company still supports.