Amazon.com: 7.2V 6200mAh NIMH Battery for RC Cars, 6-Cell Flat Rechargeable Battery Pack, Replacement Hobby Battery with Tamiya Connector for Car Truck Truggy Buggy Tank Airplane Helicopter Boat Racing (2 Pack) :
Amazon.com: Venom Power Drive Series 6-Cell 5000mAh 8.4V NiMH RC Car Battery - HXT 4.0mm Plug Type - for Remote Controlled Short Course Truck, Rock Crawler, Touring Car, Buggy, Monster Truck and
Traxxas 5000mAh 8.4V NiMH iD Flat Battery Pack
Everything You Need to Know About RC Batteries - RC Car Action