Detailed function description 1. Unique Bluetooth name to ensure accurate connection and management of the corresponding lithium battery pack; 2. The battery information can be visual query management, the user can query each string of battery related status, abnormal battery replacement or maintenance; 3. security Settings and read battery protection parameters, the user set parameters, need to enter the password to modify the parameters; 4. Monitor the battery fault alarm, showing the current battery fault and the number of faults;