Traxxas 6700mAh 50c 14.8 4S Lipo Battery Pack with Traxxas ID Plug
Amazon.com: Venom Power-Drive Series 7.4V 2000mAh 2-Cell LiPo Battery - Universal 2.0 Plug/Adapter System Compatible, for Most 1/10 Brushed Radio Control Boats, 2WD and 4WD Cars, Trucks & Buggies : Toys &