VOTOL EM300S (LIN/CAN)
VOTOL EM300S is a high-power 48-72V sinewave controller with 300A rated DC / 550A boost / 700A peak phase (≤39.6kW max power). 36-MOSFET design suited for 8-10kW PMSM/BLDC motors — QS 8000-10000W hub motors and QS165 V3 10kW mid-drive. Features 200% flux weakening, IP67 waterproofing, ≥92% max efficiency, hall sensored. Uses VOTOL's New Version architecture: TE Ampseal 23-pin main signal connector + screw terminals for battery/phase. Dual-protocol: supports SIAECOSYS LIN and CAN BUS displays. Programmable via PC with the V2 CAN USB cable (shared with EM150-2/EM200-2/EM260/EM350S/EM550).
In brief: 48–72V controller. 300A continuous. 550A peak. Sinewave, dual mode, regen, field weakening support. From $390 across 3 sellers.
Specs verified Jul 26, 2026
Where to Find
Prices tracked across 4 sellersAliExpress - Dun Electric Drive Store
$390.10 + $71.09 shipping
AliExpress
$473.36
AliExpress - Dun Electrical Store
$429.55 + $71.19 shipping
AliExpress - DUN TECH 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 $390.10. Over the past 90 days: low $2.39, high $473.36, average $432.45 — down 10% vs average.
- AliExpress
- AliExpress - DUN TECH Store
- AliExpress - Dun Electric Drive Store
- AliExpress - Dun Electrical Store
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress(1 record) | |||||||||
| Jun 13, 202604:28 PM | $473.36 | — | $473.36 | Initial | — | — | — | Yes | active |
AliExpress - Dun Electric Drive Store(25 records) | |||||||||
| Jun 10, 202608:01 AM | $390.10 | $71.09 | $461.19 | $72.05 | — | — | — | Yes | active |
| May 30, 202607:54 AM | $462.15 | $71.19 | $533.34 | $2.17 | — | — | — | Yes | active |
| May 29, 202609:09 PM | $459.98 | $70.85 | $530.83 | $457.59 | SSUS60−$60.00 | — | — | No | active |
| May 28, 202606:34 PM | $2.39 | $411.77 | $414.16 | $457.59 | — | — | — | Yes | active |
| May 28, 202606:33 PM | $459.98 | $70.85 | $530.83 | $0.00 | — | — | — | No | active |
| May 27, 202607:25 PM | $459.98 | $70.85 | $530.83 | $0.00 | — | — | — | No | active |
| May 23, 202607:16 PM | $459.98 | $70.85 | $530.83 | $0.00 | — | — | — | Yes | active |
| May 23, 202607:15 PM | $459.98 | $70.85 | $530.83 | $38.33 | — | — | — | Yes | active |
| May 22, 202604:59 PM | $421.65 | $67.58 | $489.23 | $0.00 | — | — | — | Yes | active |
| May 22, 202604:58 PM | $421.65 | $67.58 | $489.23 | $0.28 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202605:10 PM | $421.93 | $67.63 | $489.56 | $0.00 | — | — | — | Yes | active |
| May 21, 202605:09 PM | $421.93 | $67.63 | $489.56 | $0.00 | USSS35−$35.00 | — | — | Yes | active |
| May 19, 202605:06 PM | $421.93 | $67.63 | $489.56 | $0.00 | — | — | — | Yes | active |
| May 19, 202605:05 PM | $421.93 | $67.63 | $489.56 | $1.15 | USSS35−$35.00 | — | — | Yes | active |
| May 18, 202605:02 PM | $420.78 | $67.44 | $488.22 | $0.00 | — | — | — | Yes | active |
| May 18, 202605:01 PM | $420.78 | $67.44 | $488.22 | $39.51 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202603:14 PM | $460.29 | $70.90 | $531.19 | $0.00 | — | — | — | Yes | active |
| May 17, 202603:13 PM | $460.29 | $70.90 | $531.19 | $0.00 | — | — | — | Yes | active |
| May 16, 202602:57 PM | $460.29 | $70.90 | $531.19 | $0.00 | — | — | — | Yes | active |
| May 16, 202602:56 PM | $460.29 | $70.90 | $531.19 | $0.00 | — | — | — | Yes | active |
| May 15, 202602:05 PM | $460.29 | $70.90 | $531.19 | $0.00 | — | — | — | Yes | active |
| May 15, 202602:04 PM | $460.29 | $70.90 | $531.19 | $0.31 | SRUS02−$2.00 | — | — | Yes | active |
| May 14, 202605:03 PM | $460.60 | $70.95 | $531.55 | $0.00 | SRUS04−$4.00 | — | — | No | active |
| May 12, 202612:28 PM | $460.60 | $70.95 | $531.55 | $0.00 | — | — | — | Yes | active |
| May 12, 202612:27 PM | $460.60 | $70.95 | $531.55 | Initial | SRUS50−$50.00 | — | — | Yes | active |
AliExpress - Dun Electrical Store(1 record) | |||||||||
| May 30, 202607:54 AM | $429.55 | $71.19 | $500.74 | Initial | — | — | — | Yes | active |
AliExpress - DUN TECH Store(23 records) | |||||||||
| May 29, 202608:53 PM | $432.25 | $70.58 | $502.83 | $0.00 | SSUS60−$60.00 | — | — | No | active |
| May 28, 202606:18 PM | $432.25 | $70.58 | $502.83 | $0.00 | — | — | — | No | active |
| May 27, 202607:12 PM | $432.25 | $70.58 | $502.83 | $0.00 | — | — | — | No | active |
| May 23, 202607:06 PM | $432.25 | $70.58 | $502.83 | $0.00 | — | — | — | Yes | active |
| May 23, 202607:05 PM | $432.25 | $70.58 | $502.83 | $0.00 | — | — | — | Yes | active |
| May 22, 202604:50 PM | $432.25 | $70.58 | $502.83 | $0.00 | — | — | — | Yes | active |
| May 22, 202604:50 PM | $432.25 | $70.58 | $502.83 | $0.29 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202605:00 PM | $432.54 | $70.63 | $503.17 | $0.00 | — | — | — | Yes | active |
| May 21, 202604:59 PM | $432.54 | $70.63 | $503.17 | $0.00 | USSS35−$35.00 | — | — | Yes | active |
| May 19, 202604:57 PM | $432.54 | $70.63 | $503.17 | $0.00 | — | — | — | Yes | active |
| May 19, 202604:57 PM | $432.54 | $70.63 | $503.17 | $1.17 | USSS35−$35.00 | — | — | Yes | active |
| May 18, 202604:54 PM | $431.37 | $70.44 | $501.81 | $0.00 | — | — | — | Yes | active |
| May 18, 202604:53 PM | $431.37 | $70.44 | $501.81 | $1.17 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202603:04 PM | $432.54 | $70.63 | $503.17 | $0.00 | — | — | — | Yes | active |
| May 17, 202603:03 PM | $432.54 | $70.63 | $503.17 | $0.00 | — | — | — | Yes | active |
| May 16, 202602:48 PM | $432.54 | $70.63 | $503.17 | $0.00 | — | — | — | Yes | active |
| May 16, 202602:47 PM | $432.54 | $70.63 | $503.17 | $0.00 | — | — | — | Yes | active |
| May 15, 202601:56 PM | $432.54 | $70.63 | $503.17 | $0.00 | — | — | — | Yes | active |
| May 15, 202601:55 PM | $432.54 | $70.63 | $503.17 | $0.58 | SRUS02−$2.00 | — | — | Yes | active |
| May 14, 202604:49 PM | $433.12 | $70.72 | $503.84 | $0.00 | — | — | — | Yes | active |
| May 14, 202604:49 PM | $433.12 | $70.72 | $503.84 | $0.29 | SRUS04−$4.00 | — | — | Yes | active |
| May 12, 202612:22 PM | $432.83 | $70.67 | $503.50 | $0.00 | — | — | — | Yes | active |
| May 12, 202612:21 PM | $432.83 | $70.67 | $503.50 | Initial | SRUS50−$50.00 | — | — | Yes | active |
Reviews
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Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 48–72V
- Continuous Amps
- 300A
- Peak Amps
- 550A
- Max Phase Amps
- 700A
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
- 2.35 kg
- Dimensions (L×W×H)
- 220mm × 141mm × 68mm
- 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 | Battery + |
| 2 | Orange | Power Switch Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | White | One-Wire Comm |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Green / White | Gear Low |
| 2 | Yellow / White | Gear Medium |
| 3 | Black / White | Gear High |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Gray / White | Gear Reverse |
| 2 | Black | Ground |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow / White | Gear Sport |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Green | Throttle Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Purple | Brake Signal (High) |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Brown / White | Parking / E-Brake |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Pink | 5V Power |
| 3 | Orange | UART TX |
| 4 | Blue | UART RX |
