Controller with a silver aluminium housing for the Xiaomi Mi 4 2nd generation electric scooter, European (EU) version. It is the electronic board that manages the motor, the battery, the lights and the display, and the part to change when the original controller has failed and the scooter will not start or runs erratically. Check that your scooter is the Mi 4 Gen 2 in the EU version before ordering and have it installed by a technician.
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