Tenergy 7.2V Battery Pack for RC Car, 3800mAh NiMH Flat Battery Packs 2-Pack w/Standard Tamiya Connector+6V-12V Universal Battery Charger for NiMH/NiCd Battery Packs for RC Hobbies, Airsoft Guns
Smart DC Charger Module for NiMH battery Pack 2.4V - 7.2V (0.5A)
Amazon.com: Gecoty Ni-MH Battery Pack,Upgrade 7.2V 2400mAh Recharge AA Battery Pack with Standard Charge Cable,SM 2P Plug for RC Car,Truck,Tank, Boat,High Capacity Remote Control Car Battery : Toys & Games