VOTOL EM50S (LIN/CAN)
VOTOL EM50S is a compact 48-72V sinewave controller with 50A rated DC / 60A boost / 190A peak phase current, suited for 1500-2000W PMSM/BLDC motors up to 55 KPH. Dual-protocol: supports both SIAECOSYS LIN and CAN BUS displays (selectable via software). Features 120% flux weakening, IP67 waterproofing, programmable via PC. Uses VOTOL's standard EM/SV-series Wiring A architecture: 3 flush Mini-Fit Jr headers + screw terminals. Compatible with the DKD Display which speaks both protocols. Net weight 1 kg.
In brief: 48–72V controller. 50A continuous. 60A peak. Sinewave, dual mode, regen, field weakening support. From $62 across 6 sellers.
Specs verified Jul 26, 2026
Where to Find
Prices tracked across 6 sellersAliExpress
$61.75
AliExpress
$85.43
AliExpress
$85.43
AliExpress
$90.25
AliExpress - SIA Tech Store
$85.93 + $21.28 shipping
AliExpress - CycleFun2 Store
$87.12 + $24.94 shipping
AliExpress - Dun Electric Store
$81.77 + $48.04 shipping
AliExpress - Dun Electric Drive Store
$114.48 + $24.94 shipping
AliExpress - CycleFun Store
$177.92 + $51.21 shipping
AliExpress
Check seller for priceAliExpress
Check seller for priceAliExpress
Check seller for priceAliExpress
Check seller for priceAliExpress - CycleFun2 Store
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Price History
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Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 48–72V
- Continuous Amps
- 50A
- Peak Amps
- 60A
- Max Phase Amps
- 190A
Motor Features
- Regen Support
- Yes
- Drive Mode
- Sinewave
- Sensor Mode
- Dual Mode
- Field Weakening
- Yes
- Self-Learning
- No
- Dual Motor Support
- No
- Controller Pairing
- No
Inputs
- Throttle Support
- Yes
- PAS Support
- No
Display
- Supports Display
- Yes
- Requires Display
- No
- Protocols
- SiAECOSYS ONE-LIN, SiAECOSYS CAN BUS
Power Switch
- Supports Power Switch
- Yes
- Requires Power Switch
- No
- Requires Pre-charge
- No
Programming
- Via Display
- No
- Via Phone
- No
- Via PC
- Yes
Physical
- Weight
- 1 kg
- Dimensions (L×W×H)
- 198mm × 100mm × 72mm
- IP Rating
- IP67
Ports & Connectors
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Black | Battery - |
| 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 | No color | None |
| 3 | Black | Ground |
| 4 | Yellow | Hall A |
| 5 | Green | Hall B |
| 6 | Blue | Hall C |
No port details available
No port details available
