One of the biggest problems with older smartphones is keeping the battery charged. Conventional wisdom says that the lithium-ion batteries in iPhones will maintain 80% capacity up to 500 charges, or ...

Before you replace your battery, check if it actually needs changing: If your AirTag battery is low, follow these simple steps to replace it: I've created a step-by-step video tutorial demonstrating ...

This story was originally published by CalMatters. Sign up for their newsletters. It’s late at night, and you badly need a ride. Your cellphone’s battery is dangerously low. Should a ridehailing ...