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DC-DC Step Down Buck 12V to 5V 3A 15W Converter Power Supply Module for Car Male Female USB Mini USB Micro USB Adapter

DC-DC Convert DC 4.5-30V to DC 0.5-30V Step Up and Step Down Power Supply Module 3A 50W Max Boost Buck Power Supply Board

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15W Step Down Buck Converter Power Supply Module Car Power Converter Step Down Voltage Power Supply Adapter DC-DC 12V to 5V 3A

15W 12V to 5V 3A DC-DC Step Down Buck Converter Power Supply Module for Car Male Female USB Mini USB Micro USB Adapter

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10PCS/LOT Mini DC-DC 12-20V To 5V 3A Step Down Power Supply Module Buck Converter Adjustable Efficiency 97.5%

3A DC-DC Digital DisPlay LCD Step Down Power Supply Module Adjustable 5-23V To 0-16.5V Current Voltage Step Down Buck Board

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5pcs Ultra-Small Size Mini DC-DC 3A Step Down Buke Power Module MP1584 Voltage Buck Converter Adjustable 3.3V 5V 9V 12V

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LM2596 3A DC to DC Adjustable Step-down Power Supply Module 4.0~40V Buck Voltage Regulator with Digital Display Screen

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