AKASO Drone 3.7V 600mAh 4 Pack Lipo Battery with 4 in 1 Battery Charger for AKASO X5C 4CH 2.4GHz RC Drones Quadcopter It will give more punch and robust performance due to its higher current output and power. Charging 4 batteries at one time. Batteries equiped with Protection Board for safe charging and using. Replacement part 3.7V 600mAh battery for AKASO X5C quadcopter drone