NIKKO 7.2V 1600MAH mega power pack and charger (1310) in category Gadgets - Hobbies/RC Models at Easy Technology.
Ni-Cd AA 7.2V 900mAh for Nikko Remote Control F1 Ferrari Model Car Battery - Rome Tech
Amazon.com: 7.2V 2400mAh Rechargeable Ni-MH Battery AA Battery Pack with Standard Tamiya Connector for RC Car RC Truck Household Appliances 2 Pack with USB Charger : Toys & Games