Make your own RC Car Battery Pack or Repair NIKKO Ni-Cd 6.0V-620mAh - YouTube
Amazon.com: 9.6V 2000mAh NiMh Replacement Battery for Nikko RC Cars + Smart Charger : Toys & Games
Tenergy 7.2V Battery Pack High Capacity 6-Cell 3000mAh NiMH Flat Battery Pack, Replacement Hobby Battery for RC Car, RC Truck, RC Tank, RC Boat with Standard Tamiya Connector
NIKKO 7.2V 1600MAH mega power pack and charger (1310) in category Gadgets - Hobbies/RC Models at Easy Technology.
Tyco 9.6V Ni-Cd Battery Pack Substitution
Replacement 7.2V Battery & Charger Kit for RC Cars | Battery Mart
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