The Avata Fly More Kit from DJI gives you the accessories you need to fly your Avata for longer periods of time. The kit gives you two additional intelligent flight batteries for the Avata, and a multi-battery charging hub that makes it easy to recharge up to 4 batteries. Each of the lithium-ion intelligent flight batteries provide 2420mAh of capacity and up to 18 minutes of flight time. When it's time to recharge, the included hub efficiently charges each battery in sequence. Please note that a power adapter is not included and DJI recommends a USB PD adapter or DJI's own 65W portable charger. Intelligent Battery Management System This system monitors and reports the battery status in real time, so you can focus on flying.