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

1/5/10PCS 6.5V-48V to 1.25-30V DC-DC Adjustable Buck Converter Step down Module

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DC-DC Step-down Module 60V48V36V24V To 12V5V3.3V Car Power Mini Buck Converter

2pcs LM2596 DC-DC Buck Converter Step Down Adjustable Power Supply Module

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