DJI Air 3S Intelligent Flight BatteryProvides Air 3S with up to 45 minutes of flight time*, allowing you to explore, compose, and get the shots you want, all during a single flight. It also brings the Off State QuickTransfer** feature to Air 3S, enabling high speed file transfer directly to your smartphone, even when the drone is powered off. Package Includes: 1x Intelligent Flight Battery Specifications: Model: BWX234 4276 14. 6 Capacity: 4276 mAh Battery Type: Li ion 4S Charging