DJI-MAVIC AIR BATTERY (PRE-OWNED)Extend your Mavic Air flight time with this original 2375 mAh spare or replacement Intelligent Flight Battery from DJI. The battery is made with high density lithium, offering the DJI Mavic Air drone a substantial flight time of up to 21 minutes per charge. A 4 LED gauge on the battery indicates the current charge. Spare or replacement DJI Mavic Air Battery Batteries Up to 21 minutes flight time per charge Capacity: 2375 mAh Voltage: 11. 55 V, Max 13.