NiMH Battery pack: 7.2V 3.8Ah (27.36Wh, 4/3A, 2x3) with Open End Wires
NiMH Battery Pack: 7.2V 2200 mAh (15.84Wh, 6S/S, AA)
Amazon.com: Blomiky 7.2V 2200mAh Ni-MH Rechargeable AA Battery Pack with SM-2P Black Plug and USB Charger Cable for Old Version 15 Channel 2.4G Huina 1550 550 RC Excavator 7.2V NiMH : Toys
Amazon.com: GLESOURCE (2-Pack) 7.2V 1000mAh Rechargeable Ni-Cd Battery AA Battery Pack with Standard Tamiya Connector for RC Car RC Truck Household Appliances with(2PCS) USB Charging Cable : Toys & Games