Qsmily 7.4V 1200mAh 30C Li-po Battery Spare Parts for MJX X101 X102 FPV RC Quadcopter Original factory parts, 100% new. Durable, practical and not easy to damage. High charging efficiency, long service life. Capacity: 7.4V 1200mAh. Suit for: MJX X101 X102 rc quadcopter.