Feature:1. Increase Motor Power: Our controllers effectively control the motor, which can significantly increase the speed of the motor and effectively increase the power of the motor.2. Stable Performance: Electric motorcycle controller is sine wave type controller, the effect is stable, not easy to fluctuate, which is brushless DC controller with self earning function.3. Powerful Function: Sine wave controller can protect the battery and extend its life, also has the capability to increase the driving distance, providing you with an enhanced riding experience.4. Premium Material: Electric motorcycle controller is made of metal and ABS, high temperature and erosion resistance, professional manufactured to ensure stable performance and high reliability.5. Fitment: Generally, it matches well with QS hub motor or QS mid drive motor, if you want to match with new brand motor, some parameters should be tested by yourself.Specification:Item Type: Electric Motorcycle ControllerMaterial: Metal+ABSRated Voltage: 72V (36-100V, default 72V)Bus Current: 50-65APhase Current: 240ASpeed: 85 km/h (Specific speed needs to be combined with vehicle weight and wind resistance)Under Voltage Protection Value: 0.875 x VCC 1VMotor Control Mode: FOCBrake Mode: Positive (12V) / Negative CompatibleUnder Voltage Protection: 62-64VOver Voltage Protection: 91-93VRated Power: 1440WPeak Power: 3600WLimited Value: 48-52AOperating Temperature: -20-60Fitment: Fit for 2000W QS Motor Electric motorcycle mobility scooter.Package List:1 x Electric Motorcycle Controller 1 x Wiring5 x ScrewsNote:Professional installation is strongly recommended, we have an electronic manual.