USB Step-up Boost Converter DC 5V to 9V 12V - DFRobot

This USB(input) to DC(output) boost converter can step up 5V to 9V/12V with a switch for selecting voltage and a digital LED display for showing output voltage.

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USB Step-up Boost Converter DC 5V to 9V 12V - DFRobot

DROK USB to 9v, 5v to 9v USB Boost Converter, USB Cable DC 5v Step Up to 9v, 1.5A Power Regulator Line with 5.5mm Port 1.2 Meter Length : Electronics

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USB Step-up Boost Converter DC 5V to 9V 12V - DFRobot

100% brand new and high quality. This is a DC-DC boost converter module with working frequency of 1.0 MHz. The module has high efficiency, usually can