VOTOL EM550 (LIN/CAN)
VOTOL EM550 is VOTOL's flagship high-power 48-72V sinewave controller with 550A rated DC / 1000A boost / 1700A peak phase current (≤72kW max power). 60-72 MOSFET design for 14-18kW PMSM/BLDC motors — targeting high-performance e-moto / motorcycle conversions with QS205 / QS273-class hub motors or QS165 mid-drives. Features 200% flux weakening, IP67 waterproofing, ≥92% max efficiency. Uses VOTOL's New Version architecture: TE Ampseal 23-pin main signal connector + screw terminals for battery/phase. Dual-protocol: SIAECOSYS LIN and CAN BUS. Programmable via PC with V2 CAN USB cable.
In brief: 48–72V controller. 550A continuous. 1000A peak. Sinewave, dual mode, regen, field weakening support. From $606 across 4 sellers.
Specs verified Oct 25, 2026
Where to Find
Prices tracked across 5 sellersAliExpress
$608.33
AliExpress - Dun Electric Store
$605.64 + $98.71 shipping
AliExpress
$709.85
AliExpress - Dun Electrical Store
$646.87 + $106.72 shipping
AliExpress - Treasure Box（27） Store
$1,546.18 + free shipping
AliExpress
Check seller for priceAliExpress
Check seller for priceAliExpress - DUN TECH Store
Out of stock* Shipping estimates are for the contiguous US and may vary by location.
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Price History
Current best price $608.33. Over the past 90 days: low $608.33, high $709.85, average $612.23 — down 1% vs average.
- AliExpress
- AliExpress
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Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 48–72V
- Continuous Amps
- 550A
- Peak Amps
- 1000A
- Max Phase Amps
- 1700A
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
- Yes
- Requires Pre-charge
- Yes
Programming
- Via Display
- No
- Via Phone
- No
- Via PC
- Yes
Physical
- Weight
- 3.6 kg
- Dimensions (L×W×H)
- 272mm × 154mm × 75.5mm
- 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 | Battery + |
| 2 | Orange | Power Switch Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | White | One-Wire Comm |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Green / White | Gear Low |
| 2 | Yellow / White | Gear Medium |
| 3 | Black / White | Gear High |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Gray / White | Gear Reverse |
| 2 | Black | Ground |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow / White | Gear Sport |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Green | Throttle Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Purple | Brake Signal (High) |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Brown / White | Parking / E-Brake |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Pink | 5V Power |
| 3 | Orange | UART TX |
| 4 | Blue | UART RX |
