Balance charging protection function: The internal battery voltage automatic balance, to protect the battery. Electric data display function: The built-in battery capacity indicator, Display the battery&data Communication function: The aircraft can obtain information of battery cells through the communication interface immediately, For example, the voltage, electric data current, etc.. Over charging protection function: Excessive charging will damage the battery, When the battery is charged to 12.8V, the battery will stop charging Over discharge protection function: over discharge will damage the battery, when the battery discharge to 8.4V, the battery will cut off the output Short circuit protection: the battery short circuit is detected, the battery will cut off the output, in order to protect the battery Dormancy protection function: when the battery is in the open state, if not connected to any electrical equipment, battery will enter into a dormant state in 10 minutes, in order to maintain the electric quantity. In the current state of dormancy of battery internal consumption is only 10 na. The charging temperature protection function: the battery temperature is above 0C and 55C charging will damage the battery, the battery will stop charging ~Type: Li-Po Battery capacity: 11.1V, 5200mAh The charging temperature: 0C~40C The discharge temperature environment: - 20C~50C The charge / discharge environment relative humidity is less than 80% Compatibility: Volpower 2, Volpower 2 Vision and Volpower 2 Vision+