VOTOL EM550 (LIN/CAN)
VOTOL EM550 is VOTOL's flagship high-power 48-72V sinewave controller with 550A rated DC / 1000A boost / 1700A peak phase current (≤72kW max power). 60-72 MOSFET design for 14-18kW PMSM/BLDC motors — targeting high-performance e-moto / motorcycle conversions with QS205 / QS273-class hub motors or QS165 mid-drives. Features 200% flux weakening, IP67 waterproofing, ≥92% max efficiency. Uses VOTOL's New Version architecture: TE Ampseal 23-pin main signal connector + screw terminals for battery/phase. Dual-protocol: SIAECOSYS LIN and CAN BUS. Programmable via PC with V2 CAN USB cable.
In brief: 48–72V controller. 550A continuous. 1000A peak. Sinewave, dual mode, regen, field weakening support. From $606 across 3 sellers.
Specs verified Jul 26, 2026
Where to Find
Prices tracked across 5 sellersAliExpress - Dun Electric Store
$605.64 + $98.71 shipping
AliExpress - Dun Electrical Store
$646.87 + $106.72 shipping
AliExpress - Treasure Box（27） Store
$1,546.18 + free shipping
AliExpress
Check seller for priceAliExpress
Check seller for priceAliExpress
Check seller for priceAliExpress
Check seller for priceAliExpress - DUN 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 $605.64. Over the past 90 days: low $547.42, high $1,550.35, average $843.15 — down 28% vs average.
- AliExpress - Dun Electric Store
- AliExpress - Dun Electrical Store
- AliExpress - Treasure Box（27） Store
- AliExpress - DUN TECH Store
All Records
84 price records in this period
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - Dun Electric Store(21 records) | |||||||||
| May 29, 202601:22 PM | $605.64 | $98.71 | $704.35 | $0.00 | — | — | — | Yes | active |
| May 29, 202601:22 PM | $605.64 | $98.71 | $704.35 | $0.82 | — | — | — | Yes | active |
| May 28, 202611:51 AM | $604.82 | $98.58 | $703.40 | $0.00 | — | — | — | Yes | active |
| May 28, 202611:50 AM | $604.82 | $98.58 | $703.40 | $0.41 | — | — | — | Yes | active |
| May 27, 202601:09 PM | $604.41 | $98.51 | $702.92 | $0.00 | — | — | — | Yes | active |
| May 27, 202601:09 PM | $604.41 | $98.51 | $702.92 | $0.00 | — | — | — | Yes | active |
| May 25, 202604:52 PM | $604.41 | $98.51 | $702.92 | $0.00 | — | — | — | Yes | active |
| May 25, 202604:51 PM | $604.41 | $98.51 | $702.92 | $1.63 | — | — | — | Yes | active |
| May 23, 202601:07 PM | $602.78 | $98.25 | $701.03 | $0.00 | — | — | — | Yes | active |
| May 23, 202601:06 PM | $602.78 | $98.25 | $701.03 | $54.25 | — | — | — | Yes | active |
| May 22, 202611:52 AM | $548.53 | $96.24 | $644.77 | $0.00 | — | — | — | Yes | active |
| May 22, 202611:51 AM | $548.53 | $96.24 | $644.77 | $0.37 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202611:55 AM | $548.90 | $96.31 | $645.21 | $0.00 | — | — | — | Yes | active |
| May 21, 202611:55 AM | $548.90 | $96.31 | $645.21 | $0.00 | USSS35−$35.00 | — | — | Yes | active |
| May 19, 202611:57 AM | $548.90 | $96.31 | $645.21 | $0.00 | — | — | — | Yes | active |
| May 19, 202611:56 AM | $548.90 | $96.31 | $645.21 | $1.48 | USSS35−$35.00 | — | — | Yes | active |
| May 18, 202611:55 AM | $547.42 | $96.05 | $643.47 | $0.00 | — | — | — | Yes | active |
| May 18, 202611:55 AM | $547.42 | $96.05 | $643.47 | $55.77 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202609:51 AM | $603.19 | $96.31 | $699.50 | $0.82 | — | — | — | Yes | active |
| May 14, 202609:38 AM | $604.01 | $96.44 | $700.45 | $3.23 | — | — | — | Yes | active |
| May 10, 202610:28 AM | $600.78 | $96.24 | $697.02 | Initial | — | — | — | Yes | active |
AliExpress - Dun Electrical Store(28 records) | |||||||||
| May 29, 202603:29 PM | $646.87 | $106.72 | $753.59 | $0.00 | — | — | — | Yes | active |
| May 29, 202603:28 PM | $646.87 | $106.72 | $753.59 | $0.88 | — | — | — | Yes | active |
| May 28, 202601:57 PM | $645.99 | $106.58 | $752.57 | $0.00 | — | — | — | Yes | active |
| May 28, 202601:56 PM | $645.99 | $106.58 | $752.57 | $0.43 | — | — | — | Yes | active |
| May 27, 202603:18 PM | $645.56 | $106.51 | $752.07 | $0.00 | — | — | — | Yes | active |
| May 27, 202603:17 PM | $645.56 | $106.51 | $752.07 | $0.00 | — | — | — | Yes | active |
| May 25, 202607:44 PM | $645.56 | $106.51 | $752.07 | $0.00 | — | — | — | Yes | active |
| May 25, 202607:43 PM | $645.56 | $106.51 | $752.07 | $1.74 | — | — | — | Yes | active |
| May 23, 202603:23 PM | $643.82 | $106.22 | $750.04 | $0.00 | — | — | — | Yes | active |
| May 23, 202603:22 PM | $643.82 | $106.22 | $750.04 | $7.32 | — | — | — | Yes | active |
| May 22, 202601:43 PM | $636.50 | $106.22 | $742.72 | $0.00 | — | — | — | Yes | active |
| May 22, 202601:42 PM | $636.50 | $106.22 | $742.72 | $0.43 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202601:46 PM | $636.93 | $106.29 | $743.22 | $0.00 | — | — | — | Yes | active |
| May 21, 202601:45 PM | $636.93 | $106.29 | $743.22 | $0.00 | USSS35−$35.00 | — | — | Yes | active |
| May 19, 202601:48 PM | $636.93 | $106.29 | $743.22 | $0.00 | — | — | — | Yes | active |
| May 19, 202601:47 PM | $636.93 | $106.29 | $743.22 | $1.73 | USSS35−$35.00 | — | — | Yes | active |
| May 18, 202601:46 PM | $635.20 | $106.00 | $741.20 | $0.00 | — | — | — | Yes | active |
| May 18, 202601:45 PM | $635.20 | $106.00 | $741.20 | $9.05 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202611:50 AM | $644.25 | $106.29 | $750.54 | $0.00 | — | — | — | Yes | active |
| May 17, 202611:49 AM | $644.25 | $106.29 | $750.54 | $0.00 | — | — | — | Yes | active |
| May 16, 202611:56 AM | $644.25 | $106.29 | $750.54 | $0.00 | — | — | — | Yes | active |
| May 16, 202611:55 AM | $644.25 | $106.29 | $750.54 | $0.00 | — | — | — | Yes | active |
| May 15, 202611:04 AM | $644.25 | $106.29 | $750.54 | $0.00 | — | — | — | Yes | active |
| May 15, 202611:03 AM | $644.25 | $106.29 | $750.54 | $0.88 | SRUS02−$2.00 | — | — | Yes | active |
| May 14, 202612:13 PM | $645.13 | $106.44 | $751.57 | $0.00 | — | — | — | Yes | active |
| May 14, 202612:12 PM | $645.13 | $106.44 | $751.57 | $0.00 | SRUS04−$4.00 | — | — | Yes | active |
| May 14, 202609:38 AM | $645.13 | $106.44 | $751.57 | $23.26 | — | — | — | Yes | active |
| May 10, 202610:28 AM | $621.87 | $106.22 | $728.09 | Initial | — | — | — | Yes | active |
AliExpress - DUN TECH Store(20 records) | |||||||||
| May 29, 202609:49 PM | $620.05 | $96.70 | $716.75 | $0.00 | SSUS93−$93.00 | — | — | No | active |
| May 28, 202607:11 PM | $620.05 | $96.70 | $716.75 | $0.00 | — | — | — | No | active |
| May 23, 202607:42 PM | $620.05 | $96.70 | $716.75 | $0.00 | — | — | — | Yes | active |
| May 23, 202607:41 PM | $620.05 | $96.70 | $716.75 | $0.00 | — | — | — | Yes | active |
| May 22, 202605:17 PM | $620.05 | $96.70 | $716.75 | $0.00 | — | — | — | Yes | active |
| May 22, 202605:17 PM | $620.05 | $96.70 | $716.75 | $0.42 | USSS05−$5.00 | — | — | Yes | active |
| May 21, 202605:35 PM | $620.47 | $96.76 | $717.23 | $0.00 | — | — | — | Yes | active |
| May 21, 202605:34 PM | $620.47 | $96.76 | $717.23 | $0.00 | USSS35−$35.00 | — | — | Yes | active |
| May 19, 202605:24 PM | $620.47 | $96.76 | $717.23 | $0.00 | — | — | — | Yes | active |
| May 19, 202605:24 PM | $620.47 | $96.76 | $717.23 | $1.68 | USSS35−$35.00 | — | — | Yes | active |
| May 18, 202605:20 PM | $618.79 | $96.50 | $715.29 | $0.00 | — | — | — | Yes | active |
| May 18, 202605:20 PM | $618.79 | $96.50 | $715.29 | $1.68 | USSS12−$12.00 | — | — | Yes | active |
| May 17, 202603:29 PM | $620.47 | $96.76 | $717.23 | $0.00 | — | — | — | Yes | active |
| May 17, 202603:28 PM | $620.47 | $96.76 | $717.23 | $0.00 | — | — | — | Yes | active |
| May 16, 202603:08 PM | $620.47 | $96.76 | $717.23 | $0.00 | — | — | — | No | active |
| May 15, 202602:15 PM | $620.47 | $96.76 | $717.23 | $0.00 | — | — | — | Yes | active |
| May 15, 202602:14 PM | $620.47 | $96.76 | $717.23 | $0.42 | SRUS02−$2.00 | — | — | Yes | active |
| May 14, 202605:22 PM | $620.89 | $96.83 | $717.72 | $0.00 | SRUS04−$4.00 | — | — | No | active |
| May 12, 202612:39 PM | $620.89 | $96.83 | $717.72 | $0.00 | — | — | — | Yes | active |
| May 12, 202612:38 PM | $620.89 | $96.83 | $717.72 | Initial | SRUS50−$50.00 | — | — | Yes | active |
AliExpress - Treasure Box（27） Store(15 records) | |||||||||
| Jul 7, 202607:57 AM | $1,546.18 | $0.00 | $1,546.18 | $4.17 | — | — | — | Yes | active |
| May 30, 202607:54 AM | $1,550.35 | $0.00 | $1,550.35 | $2.08 | — | — | — | Yes | active |
| May 29, 202606:09 PM | $1,548.27 | $0.00 | $1,548.27 | $0.00 | — | — | — | No | active |
| May 28, 202604:20 PM | $1,548.27 | $0.00 | $1,548.27 | $1.05 | — | — | — | No | active |
| May 27, 202605:41 PM | $1,547.22 | $0.00 | $1,547.22 | $0.00 | — | — | — | No | active |
| May 25, 202610:07 PM | $1,547.22 | $0.00 | $1,547.22 | $4.17 | — | — | — | No | active |
| May 23, 202605:34 PM | $1,543.05 | $0.00 | $1,543.05 | $0.00 | AEB829−$100.00 | — | — | No | active |
| May 22, 202603:36 PM | $1,543.05 | $0.00 | $1,543.05 | $1.04 | AEB829−$100.00 | — | — | No | active |
| May 21, 202603:40 PM | $1,544.09 | $0.00 | $1,544.09 | $0.00 | AEB829−$100.00 | — | — | No | active |
| May 19, 202603:43 PM | $1,544.09 | $0.00 | $1,544.09 | $4.18 | AEB829−$100.00 | — | — | No | active |
| May 18, 202603:40 PM | $1,539.91 | $0.00 | $1,539.91 | $4.18 | AEB829−$100.00 | — | — | No | active |
| May 17, 202601:44 PM | $1,544.09 | $0.00 | $1,544.09 | $0.00 | — | — | — | No | active |
| May 16, 202601:50 PM | $1,544.09 | $0.00 | $1,544.09 | $0.00 | — | — | — | No | active |
| May 15, 202612:58 PM | $1,544.09 | $0.00 | $1,544.09 | $1.04 | SRUS02−$2.00 | — | — | No | active |
| May 14, 202603:04 PM | $1,543.05 | — | $1,543.05 | Initial | SRUS04−$4.00 | — | — | No | active |
Reviews
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Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 48–72V
- Continuous Amps
- 550A
- Peak Amps
- 1000A
- Max Phase Amps
- 1700A
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
- 3.6 kg
- Dimensions (L×W×H)
- 272mm × 154mm × 75.5mm
- 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
