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

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: Coaster brake controller and standard e-brake controller are not compatible. Normally coaster brake motor will have  "CB" marks on the motor. If you are not sure your motor is standard e-brake motor or coaster brake motor, please email us, we will check for you. If you don't know how to identify, please check our picture. The coaster brake controller installs on e-brake motor, the coaster brake controller will be burned at once.

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. 

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.

We also have coaster brake controller. Please check our picture for e-brake and coaster brake motors' difference. The coaster brake controller installs on e-brake motor, the coaster brake controller will be burned at once.