Amazon.com: (2-Pack) 4.8V 700mAh Ni-CD Battery Pack, AA700mAH Replacement for 1/18 RC Truck Car, Rock Off-Road, Four Wheels Race Car, SM-2P Plug with USB Charging Cable : Toys & Games
Exell Battery Rechargeable Nickel Cadmium (NiCd) D Assembly Cell Batteries in the Assembly Cell Batteries department at Lowes.com