MultiStar 3S 5200mAh Multi-Rotor FPV Lipo for Walkera Quadcopter QR X350 PRO Minimum Capacity: 5200mAh Configuration: 3S2P / 11.1V / 3Cell Constant Discharge: 10C *Note: This fits the Walkera QR X350 PRO only. Does not fit the standard QR X350 Discharge Plug: Walkera 3.5mm bullet