OooSure Rechargeable Ni-CD Battery AA X 4 1400mAh (Update from 500mAh) 4.8V SM-2P Plug for RC Toy Household Electric Appliances Lighting Equipment with Charging USB Cable : Toys & Games - Amazon.com
NIKKO 4.8V Ni-MH Slide Slot 4-5 Hour Battery Charger Radio Control RC IBC-520EUZ
Nikko 4.8v 620mAh Battery~Untested
4.8V R-C Hobby Battery Pack for Nikko Brand & Other Battery Powered Toy Vehicles