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VOTOL EM100 sine wave controller with CAN BUS display protocol. 48-72V, 100A continuous DC / 120A boost DC / 300A peak phase current. 18-MOSFET design with IP67 waterproof housing. 150% flux weakening, ≥93% max efficiency, peak power ~8640W (72V × 120A boost). Supports FOC sinewave drive. Hall sensored. Programmable via PC with USB adapter cable. Designed for 2-3kW PMSM/BLDC motors — recommended for QS Motor pairings. Ships with function harness and USB programming cable. Product has been progressively upgraded over the years — older batches (2022-2023) were rated lower (Endless Sphere thread #125188 documents the firmware-level phase current bump from 9000 to 9960 units for 'Old EM-100' vs 'New EM-100'). Current production is 100A continuous / 120A boost / 300A phase peak. Superseded by the EM100 SP V5.0 CAN which adds self-learning and a slight phase-peak upgrade to 340A.

In brief: 48–72V controller. 100A continuous. 120A peak. Sinewave, dual mode, regen, field weakening support. From $166.

Specs verified Jul 27, 2026

Where to Find

Prices tracked across 4 sellers

* 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 $166.06. Over the past 90 days: low $138.75, high $274.03, average $206.06 — down 19% vs average.

  • AliExpress - YoMoo Electric Store
  • AliExpress - CycleFun Store
  • AliExpress - Dun Electric Drive Store
May 12May 19May 26Jun 2Jun 9Jun 16Jun 23Jun 30Jul 7Jul 14$120.00$160.00$200.00$240.00$280.00
All Records
78 price records in this period
DatePriceShippingTotalChangeCouponRatingSalesIn StockStatus
AliExpress - CycleFun Store(24 records)
May 29, 202607:57 PM$273.29$80.65$353.94$27.00
SSUS40−$40.00
Noactive
May 28, 202605:29 PM$246.29$80.92$327.21$27.00Yesactive
May 28, 202605:28 PM$273.29$80.65$353.94$0.74Noactive
May 27, 202606:40 PM$274.03$80.86$354.89$0.00Yesactive
May 27, 202606:39 PM$274.03$80.86$354.89$0.74Yesactive
May 23, 202606:32 PM$273.29$80.65$353.94$0.00Yesactive
May 23, 202606:31 PM$273.29$80.65$353.94$34.16Yesactive
May 22, 202604:28 PM$239.13$80.65$319.78$0.00Yesactive
May 22, 202604:27 PM$239.13$80.65$319.78$0.16
USSS05−$5.00
Yesactive
May 21, 202604:31 PM$239.29$80.70$319.99$0.00Yesactive
May 21, 202604:31 PM$239.29$80.70$319.99$0.00
USSS24−$24.00
Yesactive
May 19, 202604:35 PM$239.29$80.70$319.99$0.00Yesactive
May 19, 202604:34 PM$239.29$80.70$319.99$0.65
USSS24−$24.00
Yesactive
May 18, 202604:31 PM$238.64$80.48$319.12$0.00Yesactive
May 18, 202604:30 PM$238.64$80.48$319.12$34.83
USSS12−$12.00
Yesactive
May 17, 202602:39 PM$273.47$80.70$354.17$0.00Yesactive
May 17, 202602:38 PM$273.47$80.70$354.17$0.00Yesactive
May 16, 202602:30 PM$273.47$80.70$354.17$0.00Yesactive
May 16, 202602:30 PM$273.47$80.70$354.17$0.00Yesactive
May 15, 202601:38 PM$273.47$80.70$354.17$0.00Yesactive
May 15, 202601:38 PM$273.47$80.70$354.17$0.20
SRUS02−$2.00
Yesactive
May 14, 202604:16 PM$273.67$80.75$354.42$0.00
SRUS04−$4.00
Noactive
May 12, 202612:05 PM$273.67$80.75$354.42$0.00Yesactive
May 12, 202612:05 PM$273.67$80.75$354.42Initial
SRUS25−$25.00
Yesactive
AliExpress - Dun Electric Drive Store(29 records)
Jul 20, 202608:02 AM$166.06$65.89$231.95$1.01Yesactive
Jun 25, 202607:59 AM$165.05$65.49$230.54$26.30Yesactive
Jun 10, 202608:01 AM$138.75$65.84$204.59$27.42Yesactive
May 30, 202607:54 AM$166.17$65.93$232.10$0.50Yesactive
May 29, 202608:12 PM$165.67$65.93$231.60$0.00Yesactive
May 29, 202608:11 PM$165.67$65.93$231.60$0.28
SSUS24−$24.00
Yesactive
May 28, 202605:44 PM$165.39$65.62$231.01$0.44Noactive
May 27, 202606:49 PM$165.83$65.80$231.63$0.00Yesactive
May 27, 202606:48 PM$165.83$65.80$231.63$0.44Yesactive
May 23, 202606:44 PM$165.39$65.62$231.01$0.00Yesactive
May 23, 202606:43 PM$165.39$65.62$231.01$13.56Yesactive
May 22, 202604:36 PM$151.83$61.76$213.59$0.00Yesactive
May 22, 202604:35 PM$151.83$61.76$213.59$0.10
USSS05−$5.00
Yesactive
May 21, 202604:40 PM$151.93$61.80$213.73$0.00Yesactive
May 21, 202604:39 PM$151.93$61.80$213.73$0.00
USSS12−$12.00
Yesactive
May 19, 202604:43 PM$151.93$61.80$213.73$0.00Yesactive
May 19, 202604:42 PM$151.93$61.80$213.73$0.40
USSS05−$5.00
Yesactive
May 18, 202604:39 PM$151.53$61.63$213.16$0.00Yesactive
May 18, 202604:38 PM$151.53$61.63$213.16$13.97
USSS12−$12.00
Yesactive
May 17, 202602:48 PM$165.50$65.66$231.16$0.00Yesactive
May 17, 202602:47 PM$165.50$65.66$231.16$0.00Yesactive
May 16, 202602:37 PM$165.50$65.66$231.16$0.00Yesactive
May 16, 202602:36 PM$165.50$65.66$231.16$0.00Yesactive
May 15, 202601:45 PM$165.50$65.66$231.16$0.00Yesactive
May 15, 202601:44 PM$165.50$65.66$231.16$0.28
SRUS02−$2.00
Yesactive
May 14, 202604:30 PM$165.22$65.75$230.97$0.40Yesactive
May 14, 202604:28 PM$165.62$65.71$231.33$0.00
SRUS04−$4.00
Noactive
May 12, 202612:12 PM$165.62$65.71$231.33$0.00Yesactive
May 12, 202612:11 PM$165.62$65.71$231.33Initial
SRUS16−$16.00
Yesactive
AliExpress - YoMoo Electric Store(25 records)
May 29, 202606:25 PM$189.65$71.02$260.67$0.00Noactive
May 28, 202604:30 PM$189.65$71.02$260.67$0.00Yesactive
May 28, 202604:29 PM$189.65$71.02$260.67$0.13Yesactive
May 27, 202605:51 PM$189.52$70.97$260.49$0.00Yesactive
May 27, 202605:51 PM$189.52$70.97$260.49$0.52Yesactive
May 25, 202610:18 PM$189.00$70.78$259.78$0.00Noactive
May 23, 202605:42 PM$189.00$70.78$259.78$0.00Yesactive
May 23, 202605:41 PM$189.00$70.78$259.78$8.21Yesactive
May 22, 202603:40 PM$180.79$70.78$251.57$0.00Yesactive
May 22, 202603:39 PM$180.79$70.78$251.57$0.12
USSS05−$5.00
Yesactive
May 21, 202603:44 PM$180.91$70.83$251.74$0.00Yesactive
May 21, 202603:43 PM$180.91$70.83$251.74$0.00
USSS24−$24.00
Yesactive
May 19, 202603:46 PM$180.91$70.83$251.74$0.00Yesactive
May 19, 202603:46 PM$180.91$70.83$251.74$0.49
USSS24−$24.00
Yesactive
May 18, 202603:43 PM$180.42$70.64$251.06$0.00Yesactive
May 18, 202603:43 PM$180.42$70.64$251.06$8.71
USSS12−$12.00
Yesactive
May 17, 202601:48 PM$189.13$70.83$259.96$0.00Yesactive
May 17, 202601:47 PM$189.13$70.83$259.96$0.00Yesactive
May 16, 202601:54 PM$189.13$70.83$259.96$0.00Yesactive
May 16, 202601:53 PM$189.13$70.83$259.96$0.00Yesactive
May 15, 202601:02 PM$189.13$70.83$259.96$0.00Yesactive
May 15, 202601:01 PM$189.13$70.83$259.96$0.13
SRUS02−$2.00
Yesactive
May 14, 202603:10 PM$189.26$70.88$260.14$0.00
SRUS04−$4.00
Noactive
May 12, 202611:32 AM$189.26$70.88$260.14$0.00Yesactive
May 12, 202611:31 AM$189.26$70.88$260.14Initial
SRUS16−$16.00
Yesactive

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Specifications

Type

VESC Based
No
Cooling
Air

Electrical

Voltage Range
48–72V
Continuous Amps
100A
Peak Amps
120A
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 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
1.65 kg
Dimensions (L×W×H)
221mm × 127mm × 62mm
IP Rating
IP67

Ports & Connectors

Power Input2-position Screw Terminal Block
Power
PinWire colorFunction
1RedBattery +
2BlackBattery -
Phase Wires3-position Screw Terminal Block
Motor Phase
PinWire colorFunction
1YellowPhase A
2GreenPhase B
3BluePhase C
Hall Sensor/
Hall Sensor
PinWire colorFunction
1Red5V Power
2No colorNone
3BlackGround
4YellowHall A
5GreenHall B
6BlueHall C
Alarm / Anti-theft Harness (2×4)
Anti-theft Motor Lock
security
PinWire colorFunction
1OrangeAnti-Theft Key
2BlueAnti-Theft Signal
3YellowWheel Signal
4No colorNone
Alarm Power
security
PinWire colorFunction
1BlackGround
2RedAlarm Power
Main Connector
Function Harness (2×8)
Ignition
Power Switch
PinWire colorFunction
1Gray / PurplePower Switch Signal
Low Brake / Reverse
DisplayBrake
PinWire colorFunction
1No colorNone
2Gray / WhiteGear Reverse
3No colorNone
4Gray / BlackBrake Signal (Low)
Three Speed / Sport / Parking
BrakeDisplay
PinWire colorFunction
1Brown / WhiteParking / E-Brake
2Green / WhiteGear Low
3Yellow / WhiteGear Sport
4No colorNone
5BlackGround
6Black / WhiteGear High
Throttle / High Brake / Display
BrakeCAN BusThrottle
PinWire colorFunction
1PurpleBrake Signal (High)
2WhiteCAN High
3YellowCAN Low
4BlackGround
5GreenThrottle Signal
6Pink5V Power
Program Port
UART
PinWire colorFunction
1BlackGround
2Pink5V Power
3OrangeUART TX
4BlueUART RX
One Click Repair
COMM
PinWire colorFunction
1No colorNone
2BrownOne-Click Repair
Main Connector

Included Components

Frequently Asked Questions

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