Battery : Li-Po Battery 2700MAh Charging time : about 150 minutes Weight:105G Size: L106.6*W33.8*H15.8mm The battery fit Hubsan H501S H501A H501C drone ,please don't use it mixed with other drones. Keep battery temperature lower then 45°C when charging or it may result in damage to the battery. Have any problem please contact with Mifly Drone staff first , thanks .