mcc©-cell replacement

The BMS has detected one or more degraded cells. Therefore, cell replacement is required.
Please do not replace the cells yourself.before contacting us. To replace the cells, you will need our mcc©assembly kit. Please first confirm the planned replacement in the diagnostics app so that the required data and the Serial number of the affected battery pack can be transmitted to us.

Please complete the form below in full. Once we receive the form, our support team will contact you to assist you.

Requirements for replacement

• The assembly kit is available.
• The new cells have been approved by Neomium and are ready for installation.
• The BMS information on the cells to be replaced has been transferred to the diagnostics app.

Basic procedure 

1. Disconnect the main cable

2. Unscrew the front panel.

3. Pull out the front panel, thereby

       a. for K batteries, separate the three 60 V modules from one another (see Low Voltage Directive)

       b. for Z batteries, separate the individual battery cylinders.

4. Loosen the cover screws.

5. Remove the top cover layer.

6. Remove the magnets using the assembly tool (depending on the design: K battery or Z battery).

7. Remove the contactor board.

8. Locate the cells to be replaced using the BMS information.

9. Replace the defective cells.

10. Reassemble the battery in reverse order