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VOTOL EM80 GTSP sine wave controller with ONE-LIN (YXT) display protocol. 48V-72V, 60A continuous / 100A boost battery current, 230A peak phase current. 18-MOSFET design with IP65 waterproofing at just 0.9kg. Supports FOC sinewave drive with 150% flux weakening for extended speed range. Hall sensored with regenerative braking. Programmable via PC with USB adapter cable. Designed for 3-4kW PMSM/BLDC motors — recommended for QS Motor QS90/QS120. Ships with two firmware options: hub motor or mid-drive configuration (same hardware). Includes function harness and USB programming cable.

In brief: 48–72V controller. 60A continuous. 100A peak. Sinewave, dual mode, regen, field weakening support.

Type

VESC Based
No

Electrical

Voltage Range
48–72V
Continuous Amps
60A
Peak Amps
100A
Max Phase Amps
230A

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
900 g
Dimensions (L×W×H)
180.0mm × 96.0mm × 56.0mm
IP Rating
IP65

Ports & Connectors

Power Input2-position Screw Terminal Block
Power
1Battery +
2Battery -
Phase Wires3-position Screw Terminal Block
Motor Phase
1Phase A
2Phase B
3Phase C
Hall Sensor/
Hall Sensor
15V Power
2None
3Ground
4Hall A
5Hall B
6Hall C
Function Harness (2×8)
Ignition
Power Switch
1Power Switch Signal
Throttle / High Brake / Display
BrakeDisplayThrottle
1Brake Signal (High)
2One-Wire Comm
3None
4Ground
5Throttle Signal
65V Power
Three Speed / Sport / Parking
BrakeDisplay
1Parking / E-Brake
2Gear Low
3Gear Sport
4None
5Ground
6Gear High
Low Brake / Reverse
DisplayBrake
1None
2Gear Reverse
3None
4Brake Signal (Low)
Program Port
UART
1Ground
25V Power
3UART TX
4UART RX
One Click Repair
COMM
1None
2One-Click Repair
Alarm / Anti-theft Harness (2×4)
Alarm Power
security
1Ground
2Alarm Power
Anti-theft Motor Lock
security
1Anti-Theft Key
2Anti-Theft Signal
3Wheel Signal
4None

Included Components

Where to Find

Prices tracked across 2 sellers

* Shipping estimates are for the contiguous US and may vary by location.

Resources

Frequently Asked Questions

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