Bafang max drive /Bafang M400 Motor controller (UART /CAN)

Availability: In Stock


Brand: Bafang

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Quick Overview

Bafang max drive  M400 G330 motor controller(UART protocol) for replacement. If your motor is with CAN protocol, this controller will not fit. Please double check before ordering.

The Bafang M400 controllers has several parameters, 36V 250W, 36V 350W, 43V 350W or 48V 350W controllers, please check your own motor before placing the order.

If you want a headlight for your bike, you can add a pair Bafang MAX M400 G330 headlight/rearlight cable and a LED headlgiht with the controller.

Note: if your original motor is with coaster brake, this controller may not fit.

Bafang has two protocols for the max drive mid motor, UART or CAN protocol. How to identify? UART protocol controllers no need calibration; CAN protocol controllers may needs calibration. 

UART protocol controller will have a "U" mark on the controller, it's EB-BUS connector  is with female connector and the display for the motor would be UART protocol with a 5 pin round connector.  

If the display connector is with triangle connector, then it is with CAN protocol. The back of the display may also mark “CAN” .

The controllers we are selling is with UART protocol and it will not fit for CAN protocol motor. please double check before ordering. 

If your original controller is 48V 13A, then you can choose 48V 13A controller for replacement. Bafang has upgraded to 13A controller for the 48V motor.

How to replace the Bafang Max drive M400 G330 controller, please check the video below:



Bafang max drive controller: 36V 250W, 36V 350W, 48V 350W; 43V controller is alao available now.

Bafang mid drive M400 controller for replacement.

Additional Info

Additional Information

dimension No
net weight 0.3kg
Manufacturer Bafang

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