FLIPSKY Mini FSESC 4.20
The Mini FSESC 4.20 is a compact VESC 4.12-based single-motor ESC with an anodized aluminum heatsink. Supports sensored and sensorless brushless motors. Configurable via VESC Tool over USB. Smaller footprint than the FSESC 4.12 at the same 50A continuous rating.
In brief: 8–50V controller. 50A continuous. 150A peak. VESC, FOC, dual mode, regen, field weakening, self-learning support. From $56.
Specs verified Sep 13, 2026
Where to Find
Prices tracked across 2 sellers* Shipping estimates are for the contiguous US and may vary by location.
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Price History
Current best price $56.00. Over the past 90 days: low $56.00, high $56.00, average $56.00 — about average.
- FLIPSKY
- FLIPSKY
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Specifications
Type
- VESC Based
- Yes
- Cooling
- Air
Electrical
- Voltage Range
- 8–50V
- Continuous Amps
- 50A
- Peak Amps
- 150A
Motor Features
- Regen Support
- Yes
- Drive Mode
- FOC
- Sensor Mode
- Dual Mode
- Field Weakening
- Yes
- Self-Learning
- Yes
- Dual Motor Support
- No
- Controller Pairing
- No
Inputs
- Throttle Support
- Yes
- PAS Support
- Yes
Display
- Supports Display
- Yes
- Requires Display
- No
- Protocols
- VESC
Power Switch
- Supports Power Switch
- No
- Requires Power Switch
- No
- Requires Pre-charge
- Yes
Programming
- Via Display
- No
- Via Phone
- No
- Via PC
- Yes
Physical
- Weight
- 80 g
- Dimensions (L×W×H)
- 67mm × 39mm × 18.3mm
Ports & Connectors
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Black | Battery - |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Phase A |
| 2 | Black | Phase B |
| 3 | Black | Phase C |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | White | Motor Temp |
| 3 | Blue | Hall A |
| 4 | Orange | Hall B |
| 5 | Green | Hall C |
| 6 | Black | Ground |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Gray | CAN Low |
| 3 | Yellow | CAN High |
| 4 | Red | 5V Power |
| 5 | Red | Slave Power On |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Red | 5V Power |
| 3 | White | PPM Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Red | 3.3V Power |
| 3 | Black | Ground |
| 4 | Gray | ADC Channel 1 |
| 5 | Purple | UART RX |
| 6 | Orange | UART TX |
| 7 | Blue | ADC Channel 2 |
| 8 | Green | ADC Channel 3 |
