12V DC to 56V DC Step Up Converter, Enables PoE on Supported Devices – MobileMustHave.com
12V/24V to 56V 10A 560W DC DC Step Up Converter Voltage Regulator Char – Daygreen
DC voltage step up regulator DC 6-30V 5V to DC 7-32V 12V 24V 5A
Step-Up DC-DC 12~97V 30A 1500W
Step-Up DC Converters | 12V to 24V DC | 7 - 18 Amps | Newmar
DC-DC Converter 100W 12V to 20V Step Up Power Supply Module QS-1220-100W | QSKJ
Larson Electronics - Encapsulated DC to DC Step Up Transformer - 12V DC to 16V DC - 10 Amps - Flying Leads - Waterproof
Pololu - 12V Step-Up Voltage Regulator U3V40F12
Amazon.com: DC DC 12V to 15V 15A Step-up Module,Boost Converter 9V-13V to 15V Voltage Regulator,Waterproof Power Adapt 225W 15V Volt Transformer Module(12V to 15V 15A) : Electronics