A popular DIY "freezer trick" promises to revive dead power tool batteries. Before you try it, here's what experts say ...

Many devices in German households still operate on batteries, such as remote controls, clocks or alarms, children's toys, and ...

Between various modes, automations, and settings, there are lots of tools I use to make my iPhone's battery go further.

There are plenty of ways to prolong your device's battery life, but some battery-saving tricks don't actually help. In some cases, following certain battery-saving advice can actually consume more ...

Batteries — you literally need them for all of your electronic devices. You probably have a stockpile of them in your junk drawer right now. But what do you do with them once they're dead? Back in the ...