VOTOL EM85 (72300S, LIN)
VOTOL EM85-72300S is a compact 48-72V sinewave controller with 85A rated DC / 300A peak phase current, suited for 1-2 kW PMSM/BLDC motors. Sits between EM80 GTSP and EM100 in VOTOL's lineup — shares the EM100's 300A phase envelope at a lower DC rating. Features flux weakening, IP65 waterproofing, LIN (ONE-LIN YXT) communication. Uses VOTOL's standard EM/SV-series Wiring A architecture: 3 flush Mini-Fit Jr headers + screw terminals. Programmable via PC. 1 kg / 166×96×48 mm.
In brief: 48–72V controller. 85A continuous. 85A peak. Sinewave, dual mode, regen, field weakening support. From $127.
Specs verified May 29, 2026
Where to Find
Prices tracked across 2 sellersAliExpress - DKYS Store
$126.71 + $26.04 shipping
AliExpress - DKYS Store
$126.71 + $26.04 shipping
AliExpress - Shop1104759074 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 $126.71. Over the past 90 days: low $126.54, high $233.77, average $180.14 — down 30% vs average.
- AliExpress - DKYS Store
- AliExpress - DKYS Store
- AliExpress - Shop1104759074 Store
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - DKYS Store(4 records) | |||||||||
| May 29, 202604:04 PM | $126.71 | $26.04 | $152.75 | $0.12 | — | — | — | Yes | active |
| May 28, 202602:28 PM | $126.59 | $26.00 | $152.59 | $0.05 | — | — | — | Yes | active |
| May 27, 202603:49 PM | $126.54 | $25.98 | $152.52 | $1.28 | — | — | — | Yes | active |
| May 25, 202608:15 PM | $127.82 | $25.98 | $153.80 | Initial | — | — | — | Yes | active |
AliExpress - DKYS Store(10 records) | |||||||||
| May 29, 202611:12 AM | $126.71 | $26.04 | $152.75 | $0.12 | — | — | — | Yes | active |
| May 28, 202609:41 AM | $126.59 | $26.00 | $152.59 | $0.05 | — | — | — | Yes | active |
| May 27, 202610:59 AM | $126.54 | $25.98 | $152.52 | $1.28 | — | — | — | Yes | active |
| May 25, 202602:35 PM | $127.82 | $25.98 | $153.80 | $0.76 | — | — | — | Yes | active |
| May 23, 202610:56 AM | $127.06 | $25.91 | $152.97 | $0.00 | — | — | — | Yes | active |
| May 22, 202609:42 AM | $127.06 | $25.91 | $152.97 | $0.06 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202609:45 AM | $127.12 | $25.93 | $153.05 | $0.00 | USSS12−$12.00 | — | — | Yes | active |
| May 19, 202609:47 AM | $127.12 | $25.93 | $153.05 | $0.23 | USSS05−$5.00 | — | — | Yes | active |
| May 18, 202609:46 AM | $126.89 | $25.86 | $152.75 | $0.23 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202609:39 AM | $127.12 | $25.93 | $153.05 | Initial | — | — | — | Yes | active |
AliExpress - Shop1104759074 Store(14 records) | |||||||||
| May 29, 202606:30 PM | $233.77 | $82.76 | $316.53 | $0.00 | — | — | — | No | active |
| May 28, 202604:32 PM | $233.77 | $82.76 | $316.53 | $0.15 | — | — | — | Yes | active |
| May 27, 202605:53 PM | $233.62 | $82.71 | $316.33 | $0.63 | — | — | — | Yes | active |
| May 25, 202610:23 PM | $232.99 | $82.48 | $315.47 | $0.00 | — | — | — | No | active |
| May 23, 202605:44 PM | $232.99 | $82.48 | $315.47 | $0.00 | — | — | — | Yes | active |
| May 22, 202603:42 PM | $232.99 | $82.48 | $315.47 | $0.15 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202603:46 PM | $233.14 | $82.54 | $315.68 | $0.00 | USSS24−$24.00 | — | — | Yes | active |
| May 19, 202603:48 PM | $233.14 | $82.54 | $315.68 | $0.63 | USSS24−$24.00 | — | — | Yes | active |
| May 18, 202603:46 PM | $232.51 | $82.32 | $314.83 | $0.63 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202601:50 PM | $233.14 | $82.54 | $315.68 | $0.00 | — | — | — | Yes | active |
| May 16, 202601:56 PM | $233.14 | $82.54 | $315.68 | $0.00 | — | — | — | Yes | active |
| May 15, 202601:04 PM | $233.14 | $82.54 | $315.68 | $0.16 | SRUS02−$2.00 | — | — | Yes | active |
| May 14, 202603:14 PM | $233.30 | $82.59 | $315.89 | $0.00 | SRUS04−$4.00 | — | — | No | active |
| May 12, 202611:34 AM | $233.30 | $82.59 | $315.89 | Initial | SRUS25−$25.00 | — | — | Yes | active |
Reviews
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Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 48–72V
- Continuous Amps
- 85A
- Peak Amps
- 85A
- 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 ONE-LIN
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)
- 166mm × 96mm × 48mm
- IP Rating
- IP65
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 | Gray / Purple | Power Switch Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Purple | Brake Signal (High) |
| 2 | White | One-Wire Comm |
| 3 | No color | None |
| 4 | Black | Ground |
| 5 | Green | Throttle Signal |
| 6 | Pink | 5V Power |
| 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 | No color | None |
| 2 | Gray / White | Gear Reverse |
| 3 | No color | None |
| 4 | Gray / Black | Brake Signal (Low) |
| 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 |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Red | Alarm Power |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Orange | Anti-Theft Key |
| 2 | Blue | Anti-Theft Signal |
| 3 | Yellow | Wheel Signal |
| 4 | No color | None |



