A portable charger offers peace of mind and freedom that airport outlets, hotel lobbies, and coffee shops just can’t supply.

A YouTuber placed the Galaxy S25 Ultra in two major battery tests to check its supposed longevity and charging improvements.

DeWalt is one of the leading makers of cordless power tools. Its chargers have indicator lights to provide important information on battery status and health.

The app does what other battery utilities from the App Store can’t do: it detects the type of charger being used, it displays elapsed time during each test (it doesn’t have to run in the foreground), ...