HRB 6S LiPo Battery 22.2V 5000mAh 100C XT90 for RC Drone Car Helicopter Boat FPV. ????Connector Type :XT90. 2x HRB 6S LiPo Battery 5000mAh 22.2V EC5 100C for RC Car Helicopter Drone Truck. 2x HRB 4S Lipo Battery 14.8V 2200mAh 100C XT60 for Car UAV Drones Quadcopters.