Amazon.com: 9.6V 2000mAh NiMh Replacement Battery for Nikko RC Cars + Smart Charger : Toys & Games
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
Nikko 7.2v Ni-Cd/NiMh battery pack Substitution
Amazon.com: Tenergy 9.6V Flat NiMH Battery Packs for RC Car, High Capacity 8-Cell 2000mAh Rechargeable Battery Pack, Replacement Hobby Battery Pack with Standard Tamiya Connectors (2 Battery Packs + 1 Charger) :
Nikko 9.6v battery pack and charger substitution set.
Nikko remote control F1 Ferrari Racing Car Battery Li-Po 7.2v 2200mAh 604086C2S | eBay