The PATENTED DJI Intelligent Flight Battery, is 5200mAh! 1. Easy to Plug-in and take out New connectors make plugging in the battery and pulling it out super easy. 2. Precise Battery Level Indication Battery levels used to be estimated by measuring voltage. As the motor spins, voltage drops making these estimates inaccurate. The DJI Intelligent Flight Battery monitors the total amount of energy consumed, so it can offer a precise battery level... Click to expand...DJI: The PATENTED DJI Intelligent Flight Battery Continue reading...