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  • $17.80
  • Free 30-day Returns
  • Ships from China.
    Sold by ThermalNest

    Shipped by ThermalNest

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    AJMRTC Sine Wave Brushless Motor Controller 36V 48V 20A, 350W500W EBike Motor Speed Regulator with SM Connector, Replacement Control Unit for Electric Bicycle Modification & Repair

    • 1. Sine wave brushless motor controller supports 36V / 48V input, 20A rated current, fits 350W500W electric bicycle brushless motor drive.
    • 2. Builtin sine wave control technology delivers smooth motor operation, reduces running noise and optimizes riding experience for ebike users.
    • 3. Equipped with standard SM connectors for quick plugandplay wiring, simplifies installation and replacement work during ebike repair or modification.
    • 4. Integrated multiprotective circuits against overcurrent, overvoltage and undervoltage, safeguards motor and controller during daily riding.
    • 5. Practical replacement spare part for electric bicycles, suitable for DIY ebike rebuilding, old controller damage replacement and routine maintenance.
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    Any questions? Our AI mode will help you find out quickly.

    AJMRTC sine wave brushless motor controller is specially designed for 350W500W electric bicycles. It works under 36V or 48V power supply with 20A rated output current. Adopting sine wave driving solution, it realizes quiet and smooth motor rotation compared with squarewave controllers.

    Fitted with widelyused SM connectors, the module supports fast connection without complex soldering operations. Multiple builtin protection functions prevent damage caused by overcurrent, overvoltage and lowvoltage discharge. It is an ideal spare component to replace faulty original controllers. Please confirm battery voltage, motor power and plug compatibility before purchase. Ebike motor, battery and throttle handle are not included.

    Specifications
    1. Brand: AJMRTC
    2. Controller Type: Sine Wave Brushless Motor Controller
    3. Working Voltage: 36V / 48V
    4. Rated Current: 20A
    5. Applicable Power: 350W500W EBike Motor
    6. Connector Type: SM Connector
    7. Application: Electric Bicycle Repair, EBike DIY Modification
    8. Package Content: 1 × Brushless Motor Controller
    9. Note: Battery, motor and other ebike accessories are not included; verify compatibility before ordering


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    Warranty, Returns, And Additional Information

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