The charging station is only compatible with the DJI FPV AC adapter. DO NOT use the charging station with any other charger. Use: Connect the DJI FPV AC power adapter to a power outlet (100-240 V, 50/60 Hz), and then connect the charging station to the DJI FPV charger. 2. Insert the smart flight battery into the battery compartment to start charging. The smart flight battery with the highest charge level will be charged first, then sequentially charge the batteries with decreasing charge levels. When charging is complete, you can disconnect the Smart Flight Battery from the charging station. Smart Battery Specifications: Capacity: 2000 mAh, Battery model: LiPo 6S, Charging temperature: Between 5 and 40 °C, Maximum charging power: 90 W.