VOTOL EM350S (LIN/CAN)
VOTOL EM350S is a very-high-power 48-72V sinewave controller with 350A rated DC / 600A boost / 1300A peak phase (≤43.2kW max power). 48-MOSFET design suited for 10-12kW PMSM/BLDC motors in extreme e-moto builds. Features 200% flux weakening, IP67 waterproofing, ≥92% max efficiency. Uses VOTOL's New Version architecture: TE Ampseal 23-pin main signal connector + screw terminals. Dual-protocol: SIAECOSYS LIN and CAN BUS displays supported. Programmable via PC with the V2 CAN USB cable.
In brief: 48–72V controller. 350A continuous. 600A peak. Sinewave, dual mode, regen, field weakening support. From $538 across 4 sellers.
Specs verified Jul 26, 2026
Where to Find
Prices tracked across 7 sellersAliExpress
$537.59
AliExpress
$574.63
AliExpress - Dun Electrical Store
$544.61 + $84.33 shipping
AliExpress - Dun Electric Drive Store
$549.23 + $84.33 shipping
AliExpress - SIA Tech Store
$616.64 + $55.01 shipping
AliExpress - DUN TECH Store
Out of stockAliExpress - SIAECOSYS Electric Drive Store
Out of stockAliExpress - SiAECOSYS Electric Powertrain Store Store
Out of stockAliExpress - SIA Tech 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 $519.16. Over the past 90 days: low $495.86, high $740.93, average $624.73 — down 17% vs average.
- AliExpress - DUN TECH Store
- AliExpress - SIA Tech Store
- AliExpress - SiAECOSYS Electric Powertrain Store Store
- AliExpress - Dun Electrical Store
- AliExpress - SIA Tech Store
- AliExpress - SIAECOSYS Electric Drive Store
- AliExpress
- AliExpress
All Records
85 price records in this period
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress(1 record) | |||||||||
| Jun 13, 202604:28 PM | $574.63 | — | $574.63 | Initial | — | — | — | Yes | active |
AliExpress(1 record) | |||||||||
| Jun 13, 202604:28 PM | $537.59 | — | $537.59 | Initial | — | — | — | Yes | active |
AliExpress - Dun Electrical Store(25 records) | |||||||||
| May 29, 202602:38 PM | $544.61 | $84.33 | $628.94 | $0.00 | — | — | — | Yes | active |
| May 29, 202602:37 PM | $544.61 | $84.33 | $628.94 | $0.73 | — | — | — | Yes | active |
| May 28, 202601:07 PM | $543.88 | $84.22 | $628.10 | $0.00 | — | — | — | Yes | active |
| May 28, 202601:06 PM | $543.88 | $84.22 | $628.10 | $0.37 | — | — | — | Yes | active |
| May 27, 202602:25 PM | $543.51 | $84.16 | $627.67 | $0.00 | — | — | — | Yes | active |
| May 27, 202602:24 PM | $543.51 | $84.16 | $627.67 | $1.47 | — | — | — | Yes | active |
| May 25, 202606:46 PM | $542.04 | $83.94 | $625.98 | $0.00 | — | — | — | No | active |
| May 23, 202602:35 PM | $542.04 | $83.94 | $625.98 | $0.00 | — | — | — | Yes | active |
| May 23, 202602:34 PM | $542.04 | $83.94 | $625.98 | $45.17 | — | — | — | Yes | active |
| May 22, 202601:04 PM | $496.87 | $83.94 | $580.81 | $0.00 | — | — | — | Yes | active |
| May 22, 202601:03 PM | $496.87 | $83.94 | $580.81 | $0.34 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202601:07 PM | $497.21 | $83.99 | $581.20 | $0.00 | — | — | — | Yes | active |
| May 21, 202601:06 PM | $497.21 | $83.99 | $581.20 | $0.00 | USSS35−$35.00 | — | — | Yes | active |
| May 19, 202601:09 PM | $497.21 | $83.99 | $581.20 | $0.00 | — | — | — | Yes | active |
| May 19, 202601:08 PM | $497.21 | $83.99 | $581.20 | $1.35 | USSS35−$35.00 | — | — | Yes | active |
| May 18, 202601:07 PM | $495.86 | $83.77 | $579.63 | $0.00 | — | — | — | Yes | active |
| May 18, 202601:06 PM | $495.86 | $83.77 | $579.63 | $46.55 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202611:10 AM | $542.41 | $83.99 | $626.40 | $0.00 | — | — | — | Yes | active |
| May 17, 202611:09 AM | $542.41 | $83.99 | $626.40 | $0.00 | — | — | — | Yes | active |
| May 16, 202611:16 AM | $542.41 | $83.99 | $626.40 | $0.00 | — | — | — | Yes | active |
| May 16, 202611:15 AM | $542.41 | $83.99 | $626.40 | $0.00 | — | — | — | Yes | active |
| May 15, 202610:26 AM | $542.41 | $83.99 | $626.40 | $0.00 | — | — | — | Yes | active |
| May 15, 202610:25 AM | $542.41 | $83.99 | $626.40 | $0.73 | SRUS02−$2.00 | — | — | Yes | active |
| May 14, 202610:54 AM | $543.14 | $84.11 | $627.25 | $0.00 | — | — | — | Yes | active |
| May 14, 202610:53 AM | $543.14 | $84.11 | $627.25 | Initial | SRUS04−$4.00 | — | — | Yes | active |
AliExpress - DUN TECH Store(12 records) | |||||||||
| May 29, 202601:47 PM | $519.16 | $79.63 | $598.79 | $0.71 | — | — | — | No | active |
| May 28, 202612:15 PM | $518.45 | $79.53 | $597.98 | $0.34 | — | — | — | No | active |
| May 27, 202601:34 PM | $518.11 | $79.47 | $597.58 | $0.00 | — | — | — | No | active |
| May 25, 202605:26 PM | $518.11 | $79.47 | $597.58 | $1.41 | — | — | — | No | active |
| May 23, 202601:31 PM | $516.70 | $79.26 | $595.96 | $0.00 | — | — | — | No | active |
| May 22, 202612:16 PM | $516.70 | $79.26 | $595.96 | $0.36 | USSS05−$5.00 | — | — | No | active |
| May 21, 202612:19 PM | $517.06 | $79.31 | $596.37 | $0.00 | USSS35−$35.00 | — | — | No | active |
| May 19, 202612:21 PM | $517.06 | $79.31 | $596.37 | $1.40 | USSS35−$35.00 | — | — | No | active |
| May 18, 202612:19 PM | $515.66 | $79.10 | $594.76 | $1.40 | USSS12−$12.00 | — | — | No | active |
| May 17, 202610:09 AM | $517.06 | $79.31 | $596.37 | $0.70 | — | — | — | Yes | active |
| May 14, 202609:38 AM | $517.76 | $79.42 | $597.18 | $1.06 | — | — | — | Yes | active |
| May 10, 202610:28 AM | $516.70 | $79.26 | $595.96 | Initial | — | — | — | Yes | active |
AliExpress - SIA Tech Store(11 records) | |||||||||
| Jul 20, 202608:02 AM | $616.64 | $55.01 | $671.65 | $0.87 | — | — | — | Yes | active |
| Jul 7, 202607:57 AM | $615.77 | $54.90 | $670.67 | $78.75 | — | — | — | Yes | active |
| May 30, 202607:54 AM | $694.52 | $81.42 | $775.94 | $3.23 | — | — | — | Yes | active |
| May 29, 202607:42 PM | $691.29 | $81.03 | $772.32 | $0.00 | SSUS93−$93.00 | — | — | No | active |
| May 28, 202605:17 PM | $691.29 | $81.03 | $772.32 | $1.77 | — | — | — | No | active |
| May 27, 202606:33 PM | $693.06 | $81.25 | $774.31 | $1.77 | — | — | — | No | active |
| May 23, 202606:24 PM | $691.29 | $81.03 | $772.32 | $38.40 | — | — | — | No | active |
| May 22, 202604:22 PM | $652.89 | $54.79 | $707.68 | $0.30 | USSS05−$5.00 | — | — | No | active |
| May 21, 202604:25 PM | $653.19 | $54.83 | $708.02 | $0.00 | USSS35−$35.00 | — | — | No | active |
| May 19, 202604:29 PM | $653.19 | $54.83 | $708.02 | $1.67 | USSS35−$35.00 | — | — | No | active |
| May 18, 202604:25 PM | $651.52 | $54.68 | $706.20 | Initial | USSS12−$12.00 | — | — | No | active |
AliExpress - SIA Tech Store(11 records) | |||||||||
| May 29, 202602:05 PM | $694.52 | $81.42 | $775.94 | $1.13 | — | — | — | No | active |
| May 28, 202612:34 PM | $693.39 | $81.31 | $774.70 | $0.33 | — | — | — | No | active |
| May 27, 202601:52 PM | $693.06 | $81.25 | $774.31 | $0.00 | — | — | — | No | active |
| May 25, 202605:54 PM | $693.06 | $81.25 | $774.31 | $1.77 | — | — | — | No | active |
| May 23, 202601:57 PM | $691.29 | $81.03 | $772.32 | $38.40 | — | — | — | No | active |
| May 22, 202612:33 PM | $652.89 | $54.79 | $707.68 | $0.30 | USSS05−$5.00 | — | — | No | active |
| May 21, 202612:36 PM | $653.19 | $54.83 | $708.02 | $0.00 | USSS35−$35.00 | — | — | No | active |
| May 19, 202612:38 PM | $653.19 | $54.83 | $708.02 | $1.67 | USSS35−$35.00 | — | — | No | active |
| May 18, 202612:36 PM | $651.52 | $54.68 | $706.20 | $40.09 | USSS12−$12.00 | — | — | No | active |
| May 17, 202610:34 AM | $691.61 | $81.09 | $772.70 | $0.00 | — | — | — | No | active |
| May 16, 202610:40 AM | $691.61 | $81.09 | $772.70 | Initial | — | — | — | No | active |
AliExpress - SIAECOSYS Electric Drive Store(13 records) | |||||||||
| May 29, 202607:59 PM | $740.58 | $81.03 | $821.61 | $0.00 | SSUS93−$93.00 | — | — | No | active |
| May 28, 202605:30 PM | $740.58 | $81.03 | $821.61 | $72.35 | — | — | — | No | active |
| May 27, 202606:40 PM | $668.23 | $81.25 | $749.48 | $72.35 | — | — | — | Yes | active |
| May 23, 202606:33 PM | $740.58 | $81.03 | $821.61 | $0.00 | — | — | — | Yes | active |
| May 22, 202604:28 PM | $740.58 | $81.03 | $821.61 | $0.35 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202604:32 PM | $740.93 | $81.09 | $822.02 | $0.00 | USSS35−$35.00 | — | — | Yes | active |
| May 19, 202604:35 PM | $740.93 | $81.09 | $822.02 | $1.91 | USSS35−$35.00 | — | — | Yes | active |
| May 18, 202604:31 PM | $739.02 | $80.87 | $819.89 | $72.18 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202602:39 PM | $666.84 | $81.09 | $747.93 | $0.00 | — | — | — | Yes | active |
| May 16, 202602:31 PM | $666.84 | $81.09 | $747.93 | $0.00 | — | — | — | Yes | active |
| May 15, 202601:39 PM | $666.84 | $81.09 | $747.93 | $0.31 | SRUS02−$2.00 | — | — | Yes | active |
| May 14, 202604:18 PM | $667.15 | $81.14 | $748.29 | $0.00 | SRUS04−$4.00 | — | — | No | active |
| May 12, 202612:06 PM | $667.15 | $81.14 | $748.29 | Initial | SRUS50−$50.00 | — | — | Yes | active |
AliExpress - SiAECOSYS Electric Powertrain Store Store(11 records) | |||||||||
| May 29, 202602:10 PM | $669.64 | $81.42 | $751.06 | $1.09 | — | — | — | No | active |
| May 28, 202612:38 PM | $668.55 | $81.31 | $749.86 | $0.32 | — | — | — | No | active |
| May 27, 202601:57 PM | $668.23 | $81.25 | $749.48 | $0.00 | — | — | — | No | active |
| May 25, 202606:02 PM | $668.23 | $81.25 | $749.48 | $72.35 | — | — | — | No | active |
| May 23, 202602:04 PM | $740.58 | $81.03 | $821.61 | $0.00 | — | — | — | No | active |
| May 22, 202612:36 PM | $740.58 | $81.03 | $821.61 | $0.35 | USSS05−$5.00 | — | — | No | active |
| May 21, 202612:39 PM | $740.93 | $81.09 | $822.02 | $0.00 | USSS35−$35.00 | — | — | No | active |
| May 19, 202612:41 PM | $740.93 | $81.09 | $822.02 | $1.91 | USSS35−$35.00 | — | — | No | active |
| May 18, 202612:39 PM | $739.02 | $80.87 | $819.89 | $72.18 | USSS12−$12.00 | — | — | No | active |
| May 17, 202610:39 AM | $666.84 | $81.09 | $747.93 | $0.00 | — | — | — | No | active |
| May 16, 202610:45 AM | $666.84 | $81.09 | $747.93 | Initial | — | — | — | No | active |
Reviews
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Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 48–72V
- Continuous Amps
- 350A
- Peak Amps
- 600A
- Max Phase Amps
- 1300A
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
- 2.8 kg
- Dimensions (L×W×H)
- 220mm × 161mm × 90mm
- 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 |
Main Signal Connector (Ampseal 23-pin)
E-lock
Power Switch
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Orange | Power Switch Signal |
LIN1 wire
Display
| Pin | Wire color | Function |
|---|---|---|
| 1 | White | One-Wire Comm |
Mode (1,2,3)
Display
| Pin | Wire color | Function |
|---|---|---|
| 1 | Green / White | Gear Low |
| 2 | Yellow / White | Gear Medium |
| 3 | Black / White | Gear High |
R mode
Display
| Pin | Wire color | Function |
|---|---|---|
| 1 | Gray / White | Gear Reverse |
| 2 | Black | Ground |
S mode
Display
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow / White | Gear Sport |
Throttle
Throttle
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Green | Throttle Signal |
High Brake
Brake
| Pin | Wire color | Function |
|---|---|---|
| 1 | Purple | Brake Signal (High) |
P mode
Brake
| Pin | Wire color | Function |
|---|---|---|
| 1 | Brown / White | Parking / E-Brake |
Program Debugging
UART
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Pink | 5V Power |
| 3 | Orange | UART TX |
| 4 | Blue | UART RX |
Main Connector
