Amazon.com: Gens ace 2S 7.4V 5000mAh 50C LiPo Battery Pack HardCase with Deans T Plug for RC Car Arrma Axial Losi Traxxas Slash Buggy Team Associated Serpent HPI Redcat LRP Monster Truck
Amazon.com: Venom Drive Series 20C 2S 5000mAh 7.4V Hard Case LiPo Battery - Includes 12 AWG Soft Silicone Wire Connector, Universal Plug & Adapter System Compatible with Deans, Traxxas, and EC3 Plug