VOTOL SV120 (LIN)
VOTOL SV120 sine wave controller with ONE-LIN display protocol. 72V nominal, 80A continuous / 150A boost battery current, 350A peak phase current. IP67 waterproof, 930g, 150% flux weakening, ≥93% max efficiency, peak power 10800W. 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. Newer SV-series design (2025) — more compact than EM-series. ONE-LIN version typically $20-30 cheaper than CAN variant.
In brief: 48–72V controller. 80A continuous. 150A peak. Sinewave, dual mode, regen, field weakening support. From $146 across 2 sellers.
Where to Find
Prices tracked across 5 sellersAliExpress - SIAECOSYS Electric Drive Store
$145.94 + $24.94 shipping
AliExpress - Zhejiang Siaecosys Technology Co., Ltd. Store
$187.89 + $24.94 shipping
AliExpress - SIA Tech Store
Out of stockAliExpress - SiAECOSYS Electric Powertrain Store Store
Out of stockAliExpress - SIAECOSYS Official Store
Out of stock* Shipping estimates are for the contiguous US and may vary by location.
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Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 48–72V
- Continuous Amps
- 80A
- Peak Amps
- 150A
- Max Phase Amps
- 350A
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
- 930 g
- IP Rating
- IP67




