15A-45A Electric Bicycle Sine Wave Controller E-Bike Brushless Motor Controller for 250W-2000W MOTOR SM Plug with Self-learning

Description

Upgrade your e‑bike performance with the 15A‑45A Electric Bicycle Sine Wave Controller. Designed for brushless motors ranging from 250 W to 2000 W, this SM‑plug controller delivers smooth, silent power with advanced self‑learning technology that automatically optimizes torque and efficiency for every ride.

Key Highlights

• Wide current range: 15 A – 45 A, suitable for low‑to‑high power e‑bike builds.
• Sine wave output for ultra‑quiet operation and reduced motor vibration.
• Self‑learning algorithm continuously adapts to rider style and terrain.
• SM plug design ensures a secure, plug‑and‑play connection.
• Built‑in over‑current, over‑voltage, and temperature protection for maximum safety.
• Compact aluminum housing for lightweight installation.

Technical Specifications

• Input Voltage: 24 V – 48 V (compatible with most 36 V/48 V e‑bike batteries).
• Current Rating: 15 A – 45 A (adjustable via dip switches).
• Supported Motor Power: 250 W – 2000 W brushless hub or mid‑drive motors.
• Control Mode: Sine wave (PWM) with regenerative braking support.
• Connector Type: SM plug (standard for most Chinese e‑bike kits).
• Operating Temperature: –20 °C to +80 °C.
• Dimensions: 120 mm × 80 mm × 35 mm; Weight: 210 g.

Why Choose This Controller?

The sine wave technology provides a smoother acceleration curve compared with traditional square‑wave controllers, resulting in a more natural riding feel and longer motor lifespan. The self‑learning feature means you spend less time tweaking settings and more time enjoying a reliable, high‑performance ride.

Easy Installation & Compatibility

• Plug‑and‑play SM connector – no soldering required.
• Compatible with most 250 W‑2000 W brushless e‑bike motors on the market.
• Simple dip‑switch configuration for quick current adjustment.
• Comes with a detailed wiring diagram and user manual.

Perfect for:

• DIY e‑bike enthusiasts looking to upgrade power and efficiency.
• Commuters who need quiet, reliable performance in city traffic.
• Off‑road riders seeking smooth torque delivery on challenging terrain.
• Bike shops and manufacturers needing a versatile, high‑quality controller.

Boost your e‑bike’s performance today with the 15A‑45A Electric Bicycle Sine Wave Controller – the smart, silent, and safe solution for every electric rider.