36V/48V 350W Electric E-bike Scooter Brushless DC Motor Speed Controller 36V/48V 350W Electric Bicycle Scooter Brushless DC Motor Speed Controller Product Features: - Voltage: 36V/48V - Wattage: 350W - Throttle: 1-4.2V - Low voltage protection: 31.50.5V / 420.5V - Color: Silver - Dimensions: 105 x 70 x 35mm (4.13 x 2.76 x 1.38 inches) - Housing Material: Aluminum Instructions: 1. Turn off the power before wiring. 2. Connect the learning switch. 3. Connect the motor wires (Phase A, Phase B, Phase C), then connect the hall sensor plug. 4. Connect the power and the twist grip plug. 5. Twist the throttle. If the motor rotates in reverse, disconnect the learning switch and reconnect it. If the motor does not rotate, check all connections. If the motor rotates forward, proceed to step 6. 6. Run the motor for at least 1 minute, then disconnect the learning switch. 7. Test the throttle again. If the motor operates normally, connect the remaining wires. If not, adjust the throttle wiring until normal operation is achieved. Package Includes: 1 x Electric Vehicle Controller