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 3 sellers.
Where to Find
Prices tracked across 4 sellersAliExpress - Dun Electric Store
$605.64 + $98.71 shipping
AliExpress - Dun Electrical Store
$646.87 + $106.72 shipping
AliExpress - Treasure Box(27) Store
$1,550.35 + free shipping
AliExpress - DUN TECH Store
Out of stock* Shipping estimates are for the contiguous US and may vary by location.
* This page contains affiliate links. WattWorks may earn a commission at no extra cost to you. Learn more
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
No port details available








