Rechargeable batteries can theoretically save you a fortune over disposable ones, but they're still prone to the same loss of ...

[Jay Kickliter] built his own coin cell battery ... which use AA or AAA have NiMH rechargeables in them and have used the same pair for year and years. So we’re happy to see this charger project ...

Or a portable car battery jumper. What can we say? Batteries are the exact thing you always need the moment you can’t find ...

This eliminates not just a separate battery charger, but any cables as well. The GreenEarth USB Rechargeable AA Batteries ...

Love them or hate them, we still need regular batteries for some things. Get this Energizer Recharge Pro with 4 Rechargeable ...

But if these batteries are rechargeable, you need a charger. That’s where [Jon]’s entry for the Hackaday Prize comes in handy. It’s a small, cheap charger for LIR2032 and other rechargeable ...

Panasonic Eneloop CC17N advanced charger for AA & AAA rechargeable Batteries LED indicator charging control system. The Panasonic eneloop BQ-CC661N charger supports charging four AA/AAA batteries ...

The following rechargeable batteries are all top-notch and available in AA and AAA models. Keep reading to discover our favorite rechargeable batteries, including affordable bulk packs and ...