Rechargeable AA and AAA batteries come in two main types: nickel metal hydride (NiMH) and lithium. NiMH batteries are more popular and have been around a while.

Ready to ditch the disposables and upgrade to rechargeable AA and AAA batteries? Save $16 on this great Energizer Recharge Pro battery charger at Amazon.

Rechargeable AA and AAA batteries come in two main types: nickel metal hydride (NiMH) and lithium. NiMH batteries are more popular and have been around a while.

Traditional batteries - AA, AAA and 9V - must be disposed of properly to avoid leaking the heavy metals they contain into landfill sites and polluting the environment.

Panasonic’s Eneloop BQ-CC55, our favorite charger for AA and AAA rechargeable batteries, is sleek, compact, easy to use, and plugs directly into a wall outlet.

Energizer has started selling what it calls the first disposable AA and AAA alkaline batteries made with recycled batteries.

The best rechargeable AA and AAA batteries from Duracell, Energizer, Panasonic and more brands, reviewed by our experts. We test battery life, long term use and charge retention to help you find the ...