Quad Store QC3.0 QC2.0 USB DC-DC Buck Converter Charging Step Down Module 6-32V 9V 12V 24V to Fast Quick Charger Circuit Board 3V 5V 12V

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DC-DC Step Down Buck Converter Charging Module USB 6-32V 9V 12V 24V to QC3.0 QC2.0 Fast Quick Charger 3V 5V 12V Circuit Board.Support fast charging protocol for BC1.2, iPhone, Samsung agreementfor Qualcomm QC2.O and QC3.O