【Safe Function】Built in Protection Mechanism ,When the Battery Could not be Charged, Please Load the Battery into Drone and then Connect Drone to Charger. It is to activate Battery.and then charge it
【Including 】1pc 1100mAh 3.8v Battery
【 Battery not compatible, error messages】This is not a battery compatibility issue, it is a problem with the connection between the battery and the drone. Need to reinstall battery again , prompt message will disappear