Controllers for Electric Vehicle HNK900 series are suitable for all kinds of Electric bike, Electrical motorcycle, Golf vehicle and Tourist coach etc. Features: -Take high performance MCU as to control core -Adopt the original package import power tube -All SMT waterproof craft, stability and credibility -Start steadily, speed quickly, and climb effectively -Multiple protections (such as over current protection, under voltage protection, current-limiting protection and so on) -Mighty impetus and stable output moment of force -Velocity closed loop control function -Low noise and good heat-spreading function Main Electric Parameter: -Rated Voltage: 24V/36V/48V/60V -Rated Power: 180W/ 1500W -Current-limiting Range: 12 A ~ 40 A -Transfer Handle Voltage: 1.1V~4.2V -Phase Angle: 120?or 60? -Brake Voltage: High/Low