Sabvoton SM4816L
Budget Sabvoton SM-series 36-48V / 16A DC motor controller for low-power e-scooters and e-bikes. Uses lookup-table sine-wave drive (NOT true FOC, unlike the SVMC/ML/MZ lines) with selectable square-wave and sensorless (no-hall) modes. Pairs with UART No.2 displays (SW900/S866/M8). Compact 100x70x33 mm aluminum case, ~405 g. 'L' = large-size variant.
In brief: 36–48V controller. 16A continuous. Sinewave, dual mode support. From $17.
Specs verified Jun 7, 2026
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Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 36–48V
- Continuous Amps
- 16A
Motor Features
- Drive Mode
- Sinewave
- Sensor Mode
- Dual Mode
Inputs
- Throttle Support
- Yes
Display
- Supports Display
- Yes
- Protocols
- UART No.2 (S866/Brainpower)
Physical
- Weight
- 405 g
- Dimensions (L×W×H)
- 100mm × 70mm × 33mm
Ports & Connectors
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow | Phase A |
| 2 | Green | Phase B |
| 3 | Blue | Phase C |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Yellow | Hall A |
| 4 | Green | Hall B |
| 5 | Blue | Hall C |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Black | Ground |
| 3 | Green | UART TX |
| 4 | Yellow | UART RX |
| 5 | Blue | Power Switch Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | White | Low Beam |
| 2 | Black | Ground |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Green | Throttle Signal |
| 3 | Black | Ground |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Purple | PAS Signal |
| 3 | Black | Ground |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Orange | Brake Signal (Low) |
| 3 | Black | Ground |
