DDM Racing 7.4v 4000mAh RX LiPo Battery for HPI Baja 5B/5T/5SC
PULSE 2550mAh 15C 7.4V 2S Receiver LiPo Battery
Amazon.com: Tenergy 6V 1600mAh Rechargeable Side by Side Hump Battery Pack, NiMH Receiver Battery Pack with Hitec Connector for RC Trucks, RC Cars, and RC Hobby Electronics : Health & Household