DC-DC Boost Converter, DC Converter 12V to 24V 10A 240W Power Voltage Converter with Fuse Waterproof, Step-Up Transformer for Golf Cart LED Light Motor Truck Vehicle Boat etc. (Accept DC9-20V Inputs)
1/2/5/10 Step Up Wandler Boost Modul DC-DC Stepup Spannungsregler 1-5V 500mA | eBay
HOMELYLIFE Voltage Reducer DC 8V-40V to 12V 3A 36W Automatic Buck Boost Converter Step Down
3A DC Buck Boost Converter Constant Current 5V 9V 12V 24V Battery Charger Module | eBay
DC-DC Boost converter tutorial - YouTube
Draw a DC/DC Boost Converter in LaTeX Using CircuiTikZ - TikZBlog