VOTOL EM550
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.</description> <parameter name="adminNotes">Source: AliExpress DUN TECH Store + Dun Electric Store + Dun Electrical Store listings. Authoritative specs: - Rated DC 550A / Boost DC 1000A / Peak Phase 1700A - 48-72V / Max Power 72,000W / 60-72 FETs (varies by seller listing — 60 per DUN TECH, 72 per Dun Electric) - Matched motor: 14-18kW - Max Efficiency 92% / IP67 / 200% flux weakening - Weight 3600g / Size 272×154×75.5mm Flagship of VOTOL's current lineup. New Version Ampseal 23-pin architecture with V2 CAN USB cable compatibility.
In brief: 48–72V controller. 550A continuous. 1000A peak. Sinewave, sensored, regen, field weakening support. From $588 across 2 sellers.
Type
- VESC Based
- No
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
- Sensored
- 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
- 3.6kg
- Dimensions (L×W×H)
- 272.0mm × 154.0mm × 75.5mm




