VOTOL EM100 (CAN)
VOTOL EM100 sine wave controller with CAN BUS display protocol. 48-72V, 100A continuous DC / 120A boost DC / 300A peak phase current. 18-MOSFET design with IP67 waterproof housing. 150% flux weakening, ≥93% max efficiency, peak power ~8640W (72V × 120A boost). Supports FOC sinewave drive. Hall sensored. Programmable via PC with USB adapter cable. Designed for 2-3kW PMSM/BLDC motors — recommended for QS Motor pairings. Ships with function harness and USB programming cable. Product has been progressively upgraded over the years — older batches (2022-2023) were rated lower (Endless Sphere thread #125188 documents the firmware-level phase current bump from 9000 to 9960 units for 'Old EM-100' vs 'New EM-100'). Current production is 100A continuous / 120A boost / 300A phase peak. Superseded by the EM100 SP V5.0 CAN which adds self-learning and a slight phase-peak upgrade to 340A.
In brief: 48–72V controller. 100A continuous. 120A peak. Sinewave, dual mode, regen, field weakening support. From $167.
Specs verified Sep 13, 2026
Where to Find
Prices tracked across 4 sellersAliExpress - Dun Electric Drive Store
$167.40 + $66.42 shipping
AliExpress
Check seller for priceAliExpress - YoMoo Electric Store
Out of stockAliExpress - CycleFun 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 $167.40. Over the past 90 days: low $165.05, high $167.40, average $165.69 — up 1% vs average.
- AliExpress - Dun Electric Drive Store
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Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 48–72V
- Continuous Amps
- 100A
- Peak Amps
- 120A
- Max Phase Amps
- 300A
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 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
- 1.65 kg
- Dimensions (L×W×H)
- 221mm × 127mm × 62mm
- 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 |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Orange | Anti-Theft Key |
| 2 | Blue | Anti-Theft Signal |
| 3 | Yellow | Wheel Signal |
| 4 | No color | None |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Red | Alarm Power |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Gray / Purple | Power Switch Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | No color | None |
| 2 | Gray / White | Gear Reverse |
| 3 | No color | None |
| 4 | Gray / Black | Brake Signal (Low) |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Brown / White | Parking / E-Brake |
| 2 | Green / White | Gear Low |
| 3 | Yellow / White | Gear Sport |
| 4 | No color | None |
| 5 | Black | Ground |
| 6 | Black / White | Gear High |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Purple | Brake Signal (High) |
| 2 | White | CAN High |
| 3 | Yellow | CAN Low |
| 4 | Black | Ground |
| 5 | Green | Throttle Signal |
| 6 | Pink | 5V Power |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Pink | 5V Power |
| 3 | Orange | UART TX |
| 4 | Blue | UART RX |
| Pin | Wire color | Function |
|---|---|---|
| 1 | No color | None |
| 2 | Brown | One-Click Repair |
