【Charger data】Input 120V--240V 50/60zH ,Output: DC4.35V 4A , Charging time for 4 battery fully : 90mins
【Battery usage instructions】The Battery should be charged first, If the battery is low, App will be display a strange warning .The battery installation must be perfect, otherwise there will also be strange warnings. The solution is reinstall the battery again.
【Package List 】4pcs Tello Batteries & AC Charger & 4 pcs Tello Propeller Compatible with DJI Tello Quadcopter