Floureon&reg; 3s 35C 11.1V 5500mAh High Power RC Battery With TRX Traxxas Connector For RC Toys /RC Cars/RC helicopter Chemistry: Li-Polymer Voltage: 11.1V Capacity: 5500mAh Discharge plug: TRX Traxxas Connector Charge Plug: JST-XH Uniquely designed & manufactured for high RC Racing performance.