Features:
Original FQ777 product, high quality and durable.
7.4V 850mAh LiPo rechargeable battery.
High power and high capacity.
High quality and safety in performance.
Suitable for FQ777 FQ02W,Utoghter 69508 FPV quadcopter.
Features:
3.7V 400mAh lipo battery; enough capacity and safe to use.
Easy to plug in and take out.
High quality and portable to carry.
Over charge for protection for every charging port.
Compatible with JJR/C H37 mini drone.