Top Features . Provides up to 31 minutes of flight timeHigher energy density with less weightBuilt-in DJI Intelligent Battery Management System ensures safer flight The DJI Mini 2 Intelligent Flight Battery features a high energy density that not only lowers the overall weight but extends max flight time to 31 minutes for even more fun. With the built-in DJI Intelligent Battery Management System battery status is monitored and reported in real-time allowing you to focus less on battery level and more on flying. Stable energy output and accurate calculation of remaining flight time add another layer of safety during flight. Specification . Model BWX161-2250-7.7Rated Capacity 2250 mAhBattery Type LiPo 2SRated Voltage 7.7 VCharging Voltage Limit 8.8 VCharging Temperature 5° to 40°C (41° to 104°F)Max Charging Power 29 W. .