The Best Rechargeable Battery Charger (for AA and AAA Batteries) | Reviews by Wirecutter
How to charge and discharge NiMH/NiCd (1-16 cells) battery packs with Tenergy's T180 - YouTube
Amazon.com: Tenergy Battery Packs and Charger Combo, 7.2V 3000mAh NiMH Battery Packs with Standard Tamiya Connector and Fast Charger for Hobby Battery for RC Car, RC Truck, RC Tank, RC Boat :