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 (2-Pack) - Walmart.com
Amazon.com: Upgrade 7.2V 2400mAh Ni-MH Battery Pack Rechargeable AA Battery with SM 2P Plug and USB Charger Cable 7.2V NiMH for RC Car,Truck,Tank, Boat : Electronics
Ni-MH Battery - 7.2v 1800mAh 15C Rechargeable Battery Pack - 125 x 40 x 25