The Hall Sensor of the Xiaomi 4/4 Pro electric scooter motor is an electronic component that is used to read the motor’s operating signals and transmit them to the scooter’s control system. This sensor detects the position of the motor rotor and helps the controller to accurately control the motor rotation and load.
The Hall sensor is mounted on a printed circuit board (PCB), which ensures stable signal transmission and reliable operation during daily use. In the event of a fault, the scooter’s motor may run erratically, jerk or not respond at all to accelerator signals, so the condition of this component is important for the overall operation of the scooter.
This part is intended to be used as a replacement part during engine repair or maintenance. The sensor is designed to fit into the original engine system without altering the control logic itself. This is a practical solution for applications where the aim is to restore engine performance without replacing the entire engine assembly.
It is recommended to make sure that the fault is related to the Hall sensor and not to the wiring or the motor controller before purchase.
🚦 4. Compatibility
Suitable for scooters such as:
Xiaomi 4, Xiaomi 4 Pro
⚠️ Note: It is recommended to compare the sensor shape, mounting location and connector layout with the original part before purchase, as different production batches may have slight differences.
⚙️ 5. Technical information
- Part type: motor Hall sensor
- Material: pcb (printed circuit board)
- Application: reading motor position and rotation signals
- Xiaomi 4 / Xiaomi 4 Pro compatibility


























