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

DC-DC 12~80V to 2.5~50V 20A Adjustable Buck Converter Power Stepdown Module 600W

300W 20A DC-DC Buck Module DC Step Down Voltage CC Power LED Driver Step Down

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

DC-DC 12~80V to 2.5~50V 20A Adjustable Buck Converter Power Stepdown Module 600W

600W DC-DC Buck Converter 12-75V to 2.5-60V Step Down Adjustable Power Supply

1-10PCS DC-DC 300W 15A Adjustable Constant Current Step Down LED Driver Module