If you’ve ever sat through a power outage watching your phone battery tick down — or worse, found yourself off the grid with no way to call for help — then you already know how clutch a backup power ...

If you're suddenly hit with a blackout, this small gadget lets you charge your phone and power a light — no outlet needed.

Pity the lowly lead-acid battery. A century of use as the go-to method for storing enough electrons to spin the starter motor of a car engine has endeared it to few. Will newer technology supplant ...

Between battery packs, solar chargers and even wood stoves that produce electricity, there are plenty of ways to power devices when in the wild. But there’s something reassuring about the ...