VEX Robotics EDR STEM 7.2V Robot Rechargeable Battery NiMH 3000 mAh New | eBay
Amazon.com: Venom Power - Drive Series 7S 3000mAh 8.4V NiMH RC Car Battery - Includes 12 AWG Soft Silicone Wire Connector, Patented Universal Plug/Adapter System Compatible with Deans, Traxxas, and EC3 Plug