| Model | 2021N9(9MOSFET) |
| Adapted motor | DC Brushless Motor |
| Control Mode | PWM |
| Typical operating voltage | 24V 36V 48V |
| Power | 500W |
| Current | 17-23A |
| Function | CVT; Cruise; Adjustable PAS |
| Self-checking and fault display; Pedal to propel; Auto dormancy |
| Connected parts | Speed sensor; Torque sensor; Throttle; |
| Brake lever; LED displayer |
| Accordant standard | EN15194; CE; EN16949 QB/T2946-2008 |
| Grade of waterproof | IP33 |
| Dimension | L: 12.6cm W: 6.5cm H: 3.0cm |
