HRB 22.2V 5000mAh XT90 100C 6S LiPo Battery for RC Drone Boat Car Truck Airplane. 2pcs HRB 6S 5000mAh 22.2V 100C EC5 LiPo Battery for RC Helicopter Car Drone Boat. 2pcs HRB 4S 14.8V 2600mAh 60C XT60 LiPo Battery for RC Airplane Drone Car Boat.