5A DC-DC adjustable step-down module XL4015 + a voltmeter 4~38V

5A DC-DC adjustable step-down module XL4015 + a voltmeter 4~38V

USD 8.99 USD
SKU: YS4rqwhv
Condition: New

11 、Input reverse polarity protection: None (if required, high current diode in series with the input).

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