500W 18A/300W 20A DC-DC Buck Converter Step Down Power Module Constant Current

6-40V to 1.2V-36V DC-DC Step Down Module 300W 20A Step-down Buck Converter

500W DC-DC Buck Converter Step Down Module Constant Current DC12-95V to 1.5-90V

DC CC CV Buck Converter Step-down Power Supply Module 6-40V to 1.2-36V 300W 20A

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150/250/300/400/1200W 10/12/15/20A Buck Boost Step up Step down DC-DC Converter