Restore your Xiaomi Electric Scooter 4 Pro with a new BMS (Battery Management System) circuit board - designed to protect, monitor and extend the life of your battery. With low internal resistance, short circuit protection and precise voltage and temperature monitoring, this replacement board provides optimal performance and safety. A smart solution for tech-savvy users who want to restore the scooter's original functionality.

• Product type: BMS protection board (Battery Management System)
• Voltage: DC 36V (CC/CV charging)
• Internal resistance: ≤ 20mΩ
• Detection time: ≤ 50μs
• Temperature range: 0°C to +60°C
• Material: Plastic
• Color: As shown in the picture
• Installation: Requires technical knowledge
• Compatibility: Xiaomi 4 Pro

Free shipping within Sweden. Delivery time 2–5 working days. The product is delivered well packaged with protection for electronic components. Tracking number sent via email upon delivery.

14-day money-back guarantee and 12-month warranty against manufacturing defects. The product must not be installed when returned. In the event of a warranty claim, an installation receipt is required if performed by a technician.

Returns accepted within 14 days for unused and unopened items. Customer is responsible for return shipping. Contact customer service for return form and instructions.

We offer secure and flexible payment methods:

• Card payment
• Klarna: Pay immediately, later or via installments
• Apple Pay & Google Pay
  

All payments are handled encrypted for your security.

• What does a BMS board do?
  
  It protects the battery against overcharging, overheating and short circuiting and keeps track of charging cycles.

• Is this suitable for Xiaomi 4 Pro?
  
  Yes, it is specifically designed for this model.
  
• Do I need technical knowledge?
  
  Yes, installation should be carried out by a technician or person with electrical knowledge.
  
  

This is a spare part and does not affect the legal classification of the vehicle. However, installation should be done correctly to not affect the safety or CE marking of the scooter. Always check with your local workshop if you are unsure.