Description
AB31 36V / 48V 1000W Electric Bicycle 30A Sine Wave Controller with LED‑900S Display
Upgrade your e‑bike’s performance and style with the AB31 36V / 48V 1000W Electric Bicycle 30A Sine Wave Common Head Controller. Designed for riders who demand power, reliability, and a sleek visual interface, this all‑in‑one unit combines a high‑efficiency sine‑wave motor controller with the vibrant LED‑900S display and integrated bike light, delivering a smoother ride and smarter ride‑data at a glance.
Key Highlights
- Powerful 1000W Output – Handles up to 30 A continuous current for strong hill‑climbing and rapid acceleration.
- Dual Voltage Compatibility – Works flawlessly with both 36 V and 48 V battery systems.
- Sine‑Wave Technology – Provides quiet, efficient, and torque‑rich motor control compared to traditional square‑wave units.
- LED‑900S Display – Real‑time readout of speed, battery voltage, current, mileage, and assist level.
- Integrated Front Light – Bright, energy‑saving LED headlamp with two brightness modes for safe night riding.
- Compact & Rugged Design – Aluminum alloy housing with IP65 water‑resistance rating.
- Easy Installation – Plug‑and‑play wiring harness and clear wiring diagram included.
- Universal Fit – Compatible with most 250 W‑2000 W hub or mid‑drive motors that accept a 30 A controller.
Why Choose the AB31 Controller?
The AB31’s sine‑wave output reduces motor noise and heat, extending the lifespan of both the controller and the motor. The built‑in LED‑900S display eliminates the need for separate gauges, giving you instant feedback on performance and battery health. With the integrated headlight, you stay visible without adding extra accessories, keeping your bike’s aesthetics clean and streamlined.
Technical Specifications
- Input Voltage: 36 V / 48 V (adjustable via DIP switch)
- Maximum Continuous Current: 30 A
- Peak Power: 1000 W
- Control Mode: Sine Wave
- Display: LED‑900S (speed, voltage, current, mileage, assist level)
- Headlight: Dual‑mode LED (high/low)
- Operating Temperature: –20 °C to +60 °C
- Protection: Over‑current, over‑voltage, over‑temperature, short‑circuit
- Dimensions: 180 mm × 120 mm × 45 mm
- Weight: 650 g
- Water Resistance: IP65
Installation & Setup
1. Disconnect the battery and remove the existing controller.
2. Mount the AB31 in the same location using the supplied brackets.
3. Connect the motor, battery, throttle, brake levers, and LED‑900S display to the labeled terminals.
4. Set the voltage DIP switch to match your battery (36 V or 48 V).
5. Power on the bike – the display will light up and the headlight will activate automatically.
Package Includes
- AB31 30A Sine Wave Controller with LED‑900S display
- Integrated LED headlight module
- Mounting brackets & hardware
- Quick‑start wiring guide
- Warranty card (12 months)
Elevate your electric bike’s capability and safety with the AB31 36V / 48V 1000W Sine Wave Controller – the perfect blend of power, intelligence, and style.
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