The Best Rechargeable Battery Charger (for AA and AAA Batteries)

By Wirecutter
Panasonic BQ-CC55
"Our pick: The best AA and AAA battery charger"
EBL 6201
"Also great: If you want to charge via USB"
La Crosse Technology BC1000 Alpha Power Battery Charger
"Also great: If you want to “helicopter parent” your batteries"