TDPRO 48V 1800W Electric Bicycle Brushless Speed Motor Controller for Electric Scooter e-Bike ATV Go Kart Tricycle Moped;

Specifications: 

Rated voltage: 48V DC

Current limit : 32A

Match motor: 48VDC 1800 W 

Conversion efficency: 95% 

Under Voltage Protection: 42±0.5V

Wiring:

Battery :Thick Black (Power Negative) /Thick Red (Power Positive)

Motor :Thick Yellow (Motor Negative) /Thick Blue (Motor Positive)

Ignition Switch :Thin Red(VCC)/Thin Blue

Indicator : Thin red (Indicator power output) /thin black (indicator negative)

Brake :thin yellow (Brake signal)/thin black(Negative Power)

Speed governor :Thin blue(Speed handlebar Signal input) /Thin black (Negtive Power) /thin red(5V Positive Power)

Charge Port : Thin red (charge input power Positive) /thin black (Power negative)

Brake Light: Thin red (power Positive) /thin black (Power negative)

*This controller have 4 groups neccessary cables: Battery, Motor, Ignition lock, Derailleur (throttle), when hook up these 4 groups cables, the E-bike can run normally. Besides, this controller have other optional functions, you can hook them up according to your applications.