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USB to 5.5mm / 2.1mm DC Booster Cable - 12V Output : ID 2778 : $6.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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DC to DC USB Step Up Step Down Power Supply Module Adjustable Boost Buck Converter DC 5V to 3.3V/12V
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Amazon.com: PEMENOL DC-DC CNC USB Step Up/Down Power Supply Regulator Module 3.5V-12V to 1.0V-24V 2-3W, Adjustable Boost Buck Voltage Converter Digital Display Voltmeter Ammeter Battery Capacity Tester : Electronics
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Usb Dc 5v To Dc 12v Step Up Cable Module Usb Power Boost Line Step Up Boost Module Converter Adapter Cable 8w 5.5*2.1mm Plug - Integrated Circuits - AliExpress
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USB to 2.1mm DC Booster Cable - 9V : ID 2777 : $6.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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