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 27, 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
Out of stock* Shipping estimates are for the contiguous US and may vary by location.
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Price History
Price History
Price changes tracked by the crawler
Current best price $61.75. Over the past 90 days: low $61.75, high $177.92, average $86.33 — down 28% vs average.
- AliExpress - SIA Tech Store
- AliExpress - Dun Electric Drive Store
- AliExpress - CycleFun2 Store
- AliExpress - Dun Electric Store
- AliExpress
- AliExpress - CycleFun Store
- AliExpress
- AliExpress
- AliExpress - CycleFun2 Store
All Records
118 price records in this period
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress(1 record) | |||||||||
| Jun 13, 202604:30 PM | $61.75 | — | $61.75 | Initial | — | — | — | Yes | active |
AliExpress(16 records) | |||||||||
| Jun 10, 202608:01 AM | $90.25 | — | $90.25 | $8.40 | — | — | — | Yes | active |
| May 29, 202610:33 AM | $98.65 | — | $98.65 | $0.10 | — | — | — | Yes | active |
| May 28, 202609:01 AM | $98.55 | — | $98.55 | $0.04 | — | — | — | Yes | active |
| May 27, 202610:20 AM | $98.51 | — | $98.51 | $0.00 | — | — | — | Yes | active |
| May 25, 202601:55 PM | $98.51 | — | $98.51 | $7.89 | — | — | — | Yes | active |
| May 23, 202604:33 PM | $90.62 | — | $90.62 | $0.00 | — | — | — | No | active |
| May 22, 202609:01 AM | $90.62 | — | $90.62 | $0.51 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202609:07 AM | $91.13 | — | $91.13 | $0.00 | USSS12−$12.00 | — | — | Yes | active |
| May 19, 202609:09 AM | $91.13 | — | $91.13 | $0.63 | USSS05−$5.00 | — | — | Yes | active |
| May 18, 202609:08 AM | $90.50 | — | $90.50 | $7.88 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202609:01 AM | $98.38 | — | $98.38 | $0.00 | — | — | — | Yes | active |
| May 16, 202609:07 AM | $98.38 | — | $98.38 | $0.00 | — | — | — | Yes | active |
| May 15, 202609:01 AM | $98.38 | — | $98.38 | $0.09 | SRUS02−$2.00 | — | — | Yes | active |
| May 14, 202609:07 AM | $98.47 | — | $98.47 | $0.05 | SRUS04−$4.00 | — | — | Yes | active |
| May 12, 202609:07 AM | $98.42 | — | $98.42 | $0.59 | SRUS07−$7.00 | — | — | Yes | active |
| May 10, 202610:28 AM | $97.83 | — | $97.83 | Initial | — | — | — | Yes | active |
AliExpress(28 records) | |||||||||
| May 29, 202610:33 AM | $85.43 | — | $85.43 | $0.00 | — | — | — | Yes | active |
| May 29, 202610:33 AM | $85.43 | — | $85.43 | $0.42 | — | — | — | Yes | active |
| May 28, 202609:01 AM | $85.85 | — | $85.85 | $0.00 | — | — | — | Yes | active |
| May 28, 202609:01 AM | $85.85 | — | $85.85 | $0.04 | — | — | — | Yes | active |
| May 27, 202610:20 AM | $85.81 | — | $85.81 | $0.00 | — | — | — | Yes | active |
| May 27, 202610:20 AM | $85.81 | — | $85.81 | $0.00 | — | — | — | Yes | active |
| May 25, 202601:55 PM | $85.81 | — | $85.81 | $0.00 | — | — | — | Yes | active |
| May 25, 202601:55 PM | $85.81 | — | $85.81 | $0.17 | — | — | — | Yes | active |
| May 23, 202610:17 AM | $85.64 | — | $85.64 | $0.00 | — | — | — | Yes | active |
| May 23, 202610:17 AM | $85.64 | — | $85.64 | $4.75 | — | — | — | Yes | active |
| May 22, 202609:01 AM | $80.89 | — | $80.89 | $0.00 | USSS05−$5.00 | — | — | Yes | active |
| May 22, 202609:01 AM | $80.89 | — | $80.89 | $0.04 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202609:07 AM | $80.93 | — | $80.93 | $0.00 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202609:07 AM | $80.93 | — | $80.93 | $0.00 | USSS05−$5.00 | — | — | Yes | active |
| May 19, 202609:09 AM | $80.93 | — | $80.93 | $0.00 | USSS05−$5.00 | — | — | Yes | active |
| May 19, 202609:09 AM | $80.93 | — | $80.93 | $0.60 | USSS05−$5.00 | — | — | Yes | active |
| May 18, 202609:08 AM | $80.33 | — | $80.33 | $0.00 | USSS05−$5.00 | — | — | Yes | active |
| May 18, 202609:08 AM | $80.33 | — | $80.33 | $5.36 | USSS05−$5.00 | — | — | Yes | active |
| May 17, 202609:01 AM | $85.69 | — | $85.69 | $0.00 | — | — | — | Yes | active |
| May 17, 202609:01 AM | $85.69 | — | $85.69 | $0.00 | — | — | — | Yes | active |
| May 16, 202609:07 AM | $85.69 | — | $85.69 | $0.00 | — | — | — | Yes | active |
| May 16, 202609:07 AM | $85.69 | — | $85.69 | $0.00 | — | — | — | Yes | active |
| May 15, 202609:01 AM | $85.69 | — | $85.69 | $0.00 | SRUS02−$2.00 | — | — | Yes | active |
| May 15, 202609:01 AM | $85.69 | — | $85.69 | $0.08 | SRUS02−$2.00 | — | — | Yes | active |
| May 14, 202609:07 AM | $85.77 | — | $85.77 | $0.00 | SRUS04−$4.00 | — | — | Yes | active |
| May 14, 202609:07 AM | $85.77 | — | $85.77 | $0.05 | SRUS04−$4.00 | — | — | Yes | active |
| May 12, 202609:07 AM | $85.72 | — | $85.72 | $0.00 | SRUS07−$7.00 | — | — | Yes | active |
| May 12, 202609:07 AM | $85.72 | — | $85.72 | Initial | SRUS07−$7.00 | — | — | Yes | active |
AliExpress - CycleFun Store(10 records) | |||||||||
| Jul 20, 202608:02 AM | $177.92 | $51.21 | $229.13 | $115.12 | — | — | — | Yes | active |
| Jul 7, 202607:57 AM | $62.80 | $51.11 | $113.91 | $1.05 | — | — | — | Yes | active |
| Jun 10, 202608:01 AM | $61.75 | $51.18 | $112.93 | $20.10 | — | — | — | Yes | active |
| May 29, 202606:15 PM | $81.85 | $51.18 | $133.03 | $0.00 | — | — | — | No | active |
| May 28, 202604:24 PM | $81.85 | $51.18 | $133.03 | $0.00 | — | — | — | Yes | active |
| May 28, 202604:23 PM | $81.85 | $51.18 | $133.03 | $0.06 | — | — | — | Yes | active |
| May 27, 202605:45 PM | $81.79 | $51.14 | $132.93 | $0.00 | — | — | — | Yes | active |
| May 27, 202605:44 PM | $81.79 | $51.14 | $132.93 | $0.00 | — | — | — | Yes | active |
| May 25, 202610:11 PM | $81.79 | $51.14 | $132.93 | $0.00 | — | — | — | Yes | active |
| May 25, 202610:10 PM | $81.79 | $51.14 | $132.93 | Initial | — | — | — | Yes | active |
AliExpress - CycleFun2 Store(12 records) | |||||||||
| May 29, 202609:56 PM | $86.83 | $24.82 | $111.65 | $0.00 | SSUS08−$8.00 | — | — | No | active |
| May 28, 202607:16 PM | $86.83 | $24.82 | $111.65 | $0.00 | — | — | — | No | active |
| May 23, 202607:47 PM | $86.83 | $24.82 | $111.65 | $0.00 | — | — | — | Yes | active |
| May 23, 202607:46 PM | $86.83 | $24.82 | $111.65 | $6.67 | — | — | — | Yes | active |
| May 22, 202605:20 PM | $80.16 | $24.82 | $104.98 | $0.00 | — | — | — | Yes | active |
| May 22, 202605:20 PM | $80.16 | $24.82 | $104.98 | $0.04 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202605:39 PM | $80.20 | $24.84 | $105.04 | $0.00 | — | — | — | Yes | active |
| May 21, 202605:38 PM | $80.20 | $24.84 | $105.04 | $0.00 | USSS05−$5.00 | — | — | Yes | active |
| May 19, 202605:27 PM | $80.20 | $24.84 | $105.04 | $0.00 | — | — | — | Yes | active |
| May 19, 202605:27 PM | $80.20 | $24.84 | $105.04 | $0.17 | USSS05−$5.00 | — | — | Yes | active |
| May 18, 202605:24 PM | $80.03 | $24.77 | $104.80 | $0.00 | — | — | — | Yes | active |
| May 18, 202605:23 PM | $80.03 | $24.77 | $104.80 | Initial | USSS05−$5.00 | — | — | Yes | active |
AliExpress - CycleFun2 Store(8 records) | |||||||||
| May 29, 202603:10 PM | $87.12 | $24.94 | $112.06 | $0.00 | — | — | — | Yes | active |
| May 29, 202603:10 PM | $87.12 | $24.94 | $112.06 | $0.07 | — | — | — | Yes | active |
| May 28, 202601:39 PM | $87.05 | $24.90 | $111.95 | $0.00 | — | — | — | Yes | active |
| May 28, 202601:38 PM | $87.05 | $24.90 | $111.95 | $0.05 | — | — | — | Yes | active |
| May 27, 202602:59 PM | $87.00 | $24.89 | $111.89 | $0.00 | — | — | — | Yes | active |
| May 27, 202602:59 PM | $87.00 | $24.89 | $111.89 | $0.00 | — | — | — | Yes | active |
| May 25, 202607:26 PM | $87.00 | $24.89 | $111.89 | $0.00 | — | — | — | Yes | active |
| May 25, 202607:25 PM | $87.00 | $24.89 | $111.89 | Initial | — | — | — | Yes | active |
AliExpress - Dun Electric Drive Store(23 records) | |||||||||
| May 29, 202602:40 PM | $114.48 | $24.94 | $139.42 | $0.00 | — | — | — | Yes | active |
| May 29, 202602:39 PM | $114.48 | $24.94 | $139.42 | $0.10 | — | — | — | Yes | active |
| May 28, 202601:08 PM | $114.38 | $24.90 | $139.28 | $0.00 | — | — | — | Yes | active |
| May 28, 202601:07 PM | $114.38 | $24.90 | $139.28 | $0.05 | — | — | — | Yes | active |
| May 27, 202602:27 PM | $114.33 | $24.89 | $139.22 | $0.00 | — | — | — | Yes | active |
| May 27, 202602:26 PM | $114.33 | $24.89 | $139.22 | $0.56 | — | — | — | Yes | active |
| May 25, 202606:49 PM | $113.77 | $24.82 | $138.59 | $0.00 | — | — | — | No | active |
| May 23, 202602:37 PM | $113.77 | $24.82 | $138.59 | $0.00 | — | — | — | Yes | active |
| May 23, 202602:36 PM | $113.77 | $24.82 | $138.59 | $9.89 | — | — | — | Yes | active |
| May 22, 202601:05 PM | $103.88 | $24.82 | $128.70 | $0.00 | — | — | — | Yes | active |
| May 22, 202601:04 PM | $103.88 | $24.82 | $128.70 | $0.35 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202601:09 PM | $104.23 | $24.84 | $129.07 | $0.00 | — | — | — | Yes | active |
| May 21, 202601:08 PM | $104.23 | $24.84 | $129.07 | $0.00 | USSS12−$12.00 | — | — | Yes | active |
| May 19, 202601:10 PM | $104.23 | $24.84 | $129.07 | $0.00 | — | — | — | Yes | active |
| May 19, 202601:09 PM | $104.23 | $24.84 | $129.07 | $0.51 | USSS05−$5.00 | — | — | Yes | active |
| May 18, 202601:09 PM | $103.72 | $24.77 | $128.49 | $0.00 | — | — | — | Yes | active |
| May 18, 202601:08 PM | $103.72 | $24.77 | $128.49 | $10.44 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202611:12 AM | $114.16 | $24.84 | $139.00 | $0.00 | — | — | — | Yes | active |
| May 17, 202611:11 AM | $114.16 | $24.84 | $139.00 | $0.00 | — | — | — | Yes | active |
| May 16, 202611:18 AM | $114.16 | $24.84 | $139.00 | $0.00 | — | — | — | Yes | active |
| May 16, 202611:17 AM | $114.16 | $24.84 | $139.00 | $0.00 | — | — | — | Yes | active |
| May 15, 202610:28 AM | $114.16 | $24.84 | $139.00 | $0.00 | — | — | — | Yes | active |
| May 15, 202610:27 AM | $114.16 | $24.84 | $139.00 | Initial | SRUS02−$2.00 | — | — | Yes | active |
AliExpress - Dun Electric Store(8 records) | |||||||||
| May 29, 202603:37 PM | $81.77 | $48.04 | $129.81 | $0.00 | — | — | — | Yes | active |
| May 29, 202603:36 PM | $81.77 | $48.04 | $129.81 | $0.11 | — | — | — | Yes | active |
| May 28, 202602:05 PM | $81.66 | $47.97 | $129.63 | $0.00 | — | — | — | Yes | active |
| May 28, 202602:04 PM | $81.66 | $47.97 | $129.63 | $0.06 | — | — | — | Yes | active |
| May 27, 202603:26 PM | $81.60 | $47.94 | $129.54 | $0.00 | — | — | — | Yes | active |
| May 27, 202603:25 PM | $81.60 | $47.94 | $129.54 | $0.00 | — | — | — | Yes | active |
| May 25, 202607:52 PM | $81.60 | $47.94 | $129.54 | $0.00 | — | — | — | Yes | active |
| May 25, 202607:51 PM | $81.60 | $47.94 | $129.54 | Initial | — | — | — | Yes | active |
AliExpress - SIA Tech Store(12 records) | |||||||||
| May 29, 202601:55 PM | $85.93 | $21.28 | $107.21 | $0.08 | — | — | — | Yes | active |
| May 28, 202612:24 PM | $85.85 | $21.25 | $107.10 | $0.04 | — | — | — | Yes | active |
| May 27, 202601:42 PM | $85.81 | $21.24 | $107.05 | $0.00 | — | — | — | Yes | active |
| May 25, 202605:38 PM | $85.81 | $21.24 | $107.05 | $0.17 | — | — | — | Yes | active |
| May 23, 202601:41 PM | $85.64 | $21.18 | $106.82 | $4.75 | — | — | — | Yes | active |
| May 22, 202612:24 PM | $80.89 | $21.18 | $102.07 | $0.04 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202612:27 PM | $80.93 | $21.20 | $102.13 | $0.00 | USSS05−$5.00 | — | — | Yes | active |
| May 19, 202612:29 PM | $80.93 | $21.20 | $102.13 | $0.60 | USSS05−$5.00 | — | — | Yes | active |
| May 18, 202612:27 PM | $80.33 | $21.14 | $101.47 | $5.36 | USSS05−$5.00 | — | — | Yes | active |
| May 17, 202610:18 AM | $85.69 | $21.20 | $106.89 | $0.00 | — | — | — | Yes | active |
| May 16, 202610:24 AM | $85.69 | $21.20 | $106.89 | $5.47 | — | — | — | Yes | active |
| May 3, 202609:08 AM | $80.22 | $21.10 | $101.32 | Initial | — | — | — | Yes | active |
Reviews
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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
Power Input2-position Screw Terminal Block
Power
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Black | Battery - |
Phase Wires3-position Screw Terminal Block
Motor Phase
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow | Phase A |
| 2 | Green | Phase B |
| 3 | Blue | Phase C |
Hall Sensor/
Hall Sensor
| 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 |
Alarm / Anti-theft Harness (2×4)
Alarm Power
security
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Red | Alarm Power |
Anti-theft Motor Lock
security
| Pin | Wire color | Function |
|---|---|---|
| 1 | Orange | Anti-Theft Key |
| 2 | Blue | Anti-Theft Signal |
| 3 | Yellow | Wheel Signal |
| 4 | No color | None |
Main Connector
Function Harness (2×8)
Ignition
Power Switch
| Pin | Wire color | Function |
|---|---|---|
| 1 | Gray / Purple | Power Switch Signal |
Low Brake / Reverse
DisplayBrake
| Pin | Wire color | Function |
|---|---|---|
| 1 | No color | None |
| 2 | Gray / White | Gear Reverse |
| 3 | No color | None |
| 4 | Gray / Black | Brake Signal (Low) |
Three Speed / Sport / Parking
BrakeDisplay
| 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 |
Throttle / High Brake / Display
BrakeCAN BusThrottle
| 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 |
Program Port
UART
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Pink | 5V Power |
| 3 | Orange | UART TX |
| 4 | Blue | UART RX |
One Click Repair
COMM
| Pin | Wire color | Function |
|---|---|---|
| 1 | No color | None |
| 2 | Brown | One-Click Repair |
Main Connector
