The Dji Mini 3 Pro Intelligent Flight Battery Plus is a 7.38 V, 3850 mAh battery.FeaturesBalanced ChargingDuring charging, the voltages of the battery cells are automatically balanced.Auto-Discharging FunctionTo prevent swelling, the battery automatically discharges to approximately 96% of the battery level when it is idle for one day, and approximately 60% when idle for nine days. It is normal to feel moderate heat from the battery while it is discharging.Overcharge ProtectionThe battery stops charging automatically once fully charged.Temperature DetectionTo prevent damage, the battery only charges at temperatures from 5 Degree to 40 Degree C (41 Degree to 104 Degree F). Charging stops automatically if the temperature of the battery cells exceed 55 Degree C (131 Degree F) during charging.