Understanding watt-hours will help you survive power outages and off-grid adventures.

The watt reigns supreme, if only companies would share it with us. Every time I see “mAh” on a consumer product, I cringe.

Google is rolling out a new 'battery health assistance' feature - and you don't have the option to turn it off. Here's why.

Apple phone losing charge too quickly? Try these iPhone battery hacks to make sure it lasts when you need it most.

South Korea's LG Energy Solution said on Tuesday that its U.S. unit will acquire the assets held by its Michigan electric ...

Thinking about buying a used car battery? Learn if it’s safe, what to check for, and when it might actually be a smart move.

A clean-energy trade group's report offers safety guidelines for battery energy storage systems following a fire at one of ...

Find out which apps are using up most battery life on Windows and macOS, and get more time between battery recharges on your laptop.

A team of chemists found a way to see into battery interfaces -- tight, tricky spots buried deep inside the cell have long frustrated battery designers.