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  3. ZK-SJ20 300W Automatic Step up Module Step down Module (without Display) for Solar Panel Charging
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    ZK-SJ20 300W Automatic Step up Module Step down Module (without Display) for Solar Panel Charging

    $27.61
    $27.61
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    Availability: 재고 2000개
    SKU: 80146
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    $27.61
    $27.61

    ZK-SJ20 300W Automatic Step up Module Step down Module (without Display) for Solar Panel Charging

    Features:
    - 300W automatic step up and down module
    - For solar panel charging and battery charging
    - LED constant current drive
    - Regulation of tracking point voltage
    - Input: 7-80VDC
    - Adjustable output: 1.4-79VDC

    Package Included:
    - 1 x Buck Boost Module

    Note:
    - Battery is not included.