Dji avata 2 battery time July 8, 2019 16 32 64 128 Dji avata 2 battery charge time Dji avata 2 battery charging time Dji avata 2 battery flight time Dji avata 2 battery fly time Dji avata 2 intelligent flight battery charge time Dji avata google 2 Dji mavic air 2 battery life Dji avata 3