3A DC-DC Boost Step Up Adjustable Voltage Converter 4-35V to 5v-56v 12v 24v 48v | eBay
Amazon.com: DC DC Step Up Converter 5V to 12V 10A 120W Waterproof Dust Proof PCB Boost Power Supply Module : Tools & Home Improvement
5V to 12V boost converter circuit or higher - ElecCircuit.com
How to make boost converter 1.5v to 12v - YouTube
Amazon.com: DC to DC Boost Converter, DROK Voltage Regulator Power Supply 2.5-25V 5V 9V 12 V Step Up to 5-25V 24V Adjustable Volt Transformer Module for Phone/Mp3/Mp4/PSP - 090405 : Electronics
5V to 12V Step Up DC-DC Converter - Electronics-Lab.com