48-72V Frequency Electric Bike Scooter Brushless DC Motor Speed Controller Start

48-72V 1500W Electric Bicycle E-bike Scooter Brushless DC Motor Speed Controller

Description Specification:

The product according to market demand to do without Hall zero start, brushless dual-mode smart measure battery voltage, motor phase! Powerful start, climbing power large and small motor noise. Select the motor speed controller: First look at your electric car battery voltage levels, corresponding to the selected voltage controller, look at the size of the current controller previously used, such as the current is 16A-18A 350W controller, 22A-24A controller is 450W, 28A -30A controller is 500W, 31A-33A is 600W controller, 33A-35A is 800W controller, 36A-38A is the 1000W controller, 40A-43A is the 1200W controller, 50A is about 2000W controller . Such selection controller, if the original car is 350W controllers we recommend the use of bigger, so you can take advantage of the highest motor speed and power. Note: The color might be a little different from the actual product due