These controllers were sent in error from my supplier in China, So rather than return them they agreed to a lower price, So priced to accordingly to clear.

Dimensions  130mm X 65mm X 40mm 

This dc motor speed controller has the following Functions and features:

 

1. Use imitated torque control mode to achieve a smooth start-up of the power-assist vehicle, so that the power-assist drive will be smooth and natural;

 

2. The electric power-assist has fast response, and it is always consistent with the rider’s pedal action, which is to achieve the effect of torque boosting;

 

3. With a multi-protection functions such as the stall, over-current, over-temperature, under-voltage, speed driving, phase shortage, output short circuit etc., so as to protect the vehicle electronic control systems and traffic safety;

 

4. Hall or no hall motor drive, adapting to various kinds of high and low speed motor;