The maintenance of the battery module is an important guarantee to ensure the long-term stable operation of the battery module. Here are some common maintenance measures for battery modules:

1. Check the voltage, current, temperature and other parameters of the battery module regularly to ensure the normal operation of the battery module.

2. Clean the surface of the battery module regularly to ensure its good heat dissipation.

3. Check the connection status of battery box, battery connector and other components regularly to ensure its stability and reliability.

4. Regularly replace the fuses, relays and other vulnerable parts in the battery management system to ensure its normal operation.

5. In the case of long-term parking, the battery module should be fully charged and regularly discharged and charged to prolong battery life.