Amazon.com: 4.8V 500mAh Nickel Cadmium (Ni-cd) Replacement Battery Rechargeable Ni-CD Battery AA X 4 for RC Car Toys Lighting Equipment : Health & Household
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