Original 7.4V 2500mAh Battery for 4DRC F11 Drone Quadcopter. Original 7.4V 3500mAh Battery for 4DRC F4 Drone Quadcopter. Original 3.7V 2000mah Battery for 4DRC F9 Drone Quadcopter. 4DRC V17 RC Drone Aircraft Gravity Sensing 360° Stunt Roll Hovering 4 Battery.
