The DJI Intelligent Flight Battery for Mini 4 Pro is an essential accessory for the Mini 4 Pro. It has 2590 mAh of capacity, which provides up to 34 minutes of flight time on a full charge. When recharging the battery with the optional 30W USB-C charger, a full charge takes up to 58 minutes when the battery is inserted into the optional two-way charging hub, or up to 70 minutes when left inside the drone.