9IMOD 3S RC Lipo Battery 11.1V 650-6000mAh 25C-75C for RC Car Boat FPV Drone. 9IMOD 4S RC Lipo Battery 14.8V 5000mAh 45C with T Plug for RC Car Boat FPV Drone Quadcopter Airplane Helicopter. LiPo Battery Application: Widely used in RC Car Boat FPV Drone Quadcopter Airplane Helicopter.