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  • $15.89
  • Free 30-day Returns
  • Ships from China.
    Sold by ThermalNest

    Shipped by ThermalNest

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    AJMRTC 4-Channel USB Step-Down Power Module, DC 12V-40V Input to 5V 5A Output Buck Converter Voltage Regulator Board for Car, RV, DIY Electronic USB Charging Projects

    • - 4 USB-A ports output simultaneously, DC 12V~40V wide input converts to stable DC 5V, max total 5A output for multiple USB devices
    • - Built-in multiple safety protections including over-current, over-temperature, short-circuit and reverse polarity protection for reliable operation
    • - High conversion efficiency buck circuit design, low heat generation during continuous load working for long time operation
    • - Wide application: works for vehicle, RV, solar power system, electronic DIY projects to power phones, cameras and small USB gadgets
    • - Compact PCB size with screw terminal input, easy wiring and installation for embedded and field power conversion projects
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    AJMRTC 4-Channel USB step-down buck converter module is a DC-DC voltage regulator board that converts wide-range DC 12V to 40V input into stable 5V DC power, delivering up to 5A total output across four USB-A ports. It adopts high-efficiency switching power topology to minimize heat loss during power conversion. Integrated multi-protection circuits guard against reverse polarity, over-current, overheating and short-circuit faults to protect both the module and connected USB devices. Screw terminals are used for DC input connection for fast and secure wiring. This power module is ideal for vehicle, RV, off-grid solar systems and electronic DIY builds to charge mobile phones, tablets, action cameras and other small USB-powered electronics.


    Specifications
    1. Brand: AJMRTC
    2. Type: 4-Channel USB Step-Down Buck Converter Module
    3. Input Voltage: DC 12V ~ 40V
    4. Output: DC 5V, Max 5A Total (4 USB-A ports)
    5. Protection: Reverse polarity, over-current, over-temperature, short circuit protection
    6. Conversion Efficiency: Up to 95%
    7. Operating Temperature: -40 ~ +85
    8. Connection: Screw terminal for DC input, 4×USB-A female output
    9. Application: Car, RV, solar system, electronic DIY


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