MAG-20 rear seat light is powered by a button battery. In order to protect the button battery from being discharged during the store, there is plastic insulation inserted. When you buy a new e-bike, you need to remove the plastic insulation for the light to work.
Please follow the following instructions to remove the plastic insulation:
1. Remove the screw
2. Remove the battery cover by pushing forward
3. Remove the plastic insulation.
Please don’t forget to put the battery cover back and screw it to secure the battery cover.
Button Battery Warning:
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