Photo 1 of 2Pcs 300W 20A Buck Converter Module DC-DC Buck Regulator 6-40V to 1.2-36V Output Voltage Adjustable Converter Power Supply Module CC CV Buck Power Converter

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Photo 1 of 2Pcs 300W 20A Buck Converter Module DC-DC Buck Regulator 6-40V to 1.2-36V Output Voltage Adjustable Converter Power Supply Module CC CV Buck Power ConverterPhoto 2 of 2Pcs 300W 20A Buck Converter Module DC-DC Buck Regulator 6-40V to 1.2-36V Output Voltage Adjustable Converter Power Supply Module CC CV Buck Power ConverterPhoto 3 of 2Pcs 300W 20A Buck Converter Module DC-DC Buck Regulator 6-40V to 1.2-36V Output Voltage Adjustable Converter Power Supply Module CC CV Buck Power Converter