Powerhobby 4s 14.8v 6000mah 100c Lipo Battery w EC5 Hard Case 4-cell - Powerhobby.com
Amazon.com: Zeee 4S Lipo Battery 14.8V 6500mAh 80C Hardcase with Deans T Connector Compatible with RC 1/8 1/10 Scale Vehicles Car Trucks Boats Tank Truck RC Car : Toys & Games