High Capacity or High Performance? Ryobi's battery labels hide some important differences that can affect power, compatibility, and long-term value.

We may receive a commission on purchases made from links. Batteries aren't quite as omnipresent as they once were, since so many modern electronics come with rechargeable lithium-ion battery packs ...

Stuck with a dead flashlight and no D batteries? Discover the $7 hack that converts your kitchen drawer's AA batteries into a ...