What should we do in case the Lithium battery not working?
A new one will be replaced if below steps followed.
Step 1, Remove 8pcs M8 screws from the bracket plate and 2pcs M4 screws from its tail.
Step 2, Use a screw driver to raise its tail upward and then pull its cover back.
Step 3, After pulled the cover, open the M15 cable connector of battery.
Step 4, Remove 4pcs M4 screws from the battery aluminum straps, take out the battery to replace new one. After that, reassemble the other accessories accordingly.