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
Torro 7.2V 4500 mAh Rechargeable Battery Pack Ni-MH Tamiya Plug For RC Tanks - Zandatoys
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