1. Users can filter the Bluetooth ID they need to connect；
2. Data query management can be performed on the batteries. The user can look up the relevant status of each string of battery and replace or maintain the abnormal one;
3. For the security of parameter modification, the user needs to enter the password in advance;
4.Bluetooth APP can control the charging or discharging status of the battery pack；
5. Timely and effectively display the current faults and the number of faults in the battery；