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.

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 ...

I'd pretty much resigned myself to the fact that my Apple Watch needed a nightly charge right alongside my phone. Placing it on the charger at the end of the day was as much a part of my nightly ...