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Budget Sabvoton SM-series 24-72V / 60A DC motor controller — the top of the SM line — for e-bikes and e-scooters. Lookup-table sine-wave drive (NOT true FOC, unlike SVMC/ML/MZ) with square-wave and sensorless (no-hall) modes, self-learning motor matching, and PC programmability. Pairs with UART No.2 displays (SW900/S866/M8). 175x105x60 mm, ~1.0 kg.

In brief: 24–72V controller. 60A continuous. Sinewave, dual mode, self-learning support. From $45 across 2 sellers.

Where to Find

Prices tracked across 1 seller

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

Specifications

Type

VESC Based
No
Cooling
Air

Electrical

Voltage Range
24–72V
Continuous Amps
60A

Motor Features

Regen Support
No
Drive Mode
Sinewave
Sensor Mode
Dual Mode
Self-Learning
Yes
Controller Pairing
No

Inputs

Throttle Support
Yes
PAS Support
Yes

Display

Supports Display
Yes
Requires Display
No
Protocols
UART No.2 (S866/Brainpower)

Programming

Via Phone
No
Via PC
Yes

Physical

Weight
1 kg
Dimensions (L×W×H)
175mm × 105mm × 60mm

Ports & Connectors

Motor Phase
Motor Phase
1Phase A
2Phase B
3Phase C
Hall Sensor
Hall Sensor
15V Power
2Ground
3Hall A
4Hall B
5Hall C
Display (UART No.2)
UARTPower Switch
1Battery +
2Ground
3UART TX
4UART RX
5Power Switch Signal
Headlight
Display
1Low Beam
2Ground
Throttle
Throttle
15V Power
2Throttle Signal
3Ground
PAS Sensor
PAS
15V Power
2PAS Signal
3Ground
Brake
Brake
15V Power
2Brake Signal (Low)
3Ground
Battery Power

Frequently Asked Questions

Alternative Controllers

Other Controllers

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