SEC America, LLC, 7048, 24V to 48V High Power DC-DC Converter
Marine DC-DC Converters | 12V, 24V, 36V and 48V DC | 3 - 50 Amps | Newmar | DC Power Onboard
24VDC to 48VDC 20A 960W Non-Isolated Waterproof DC DC Converter - China Power Supply, Converter | Made-in-China.com
600W isolated DC/DC converters with five large input ranges
48V 60V 72V to 24V 20A 480W DC DC Step Down Converter Voltage Regulato – Daygreen
Amazon.com: XWST DC 24V Step up to 48V 3A 144W Converter Voltage Converter, 48Volt Regulator Waterproof DC/DC Boost Transformer Power Supply (24V to 48V 3A) : Electronics
36V /48V DC to 24V DC to DC Power Converter - Type A
Amazon.com: Cllena DC 36V 48V Step Down to 24V 50A 1200W Converter Voltage Reducer, Waterproof DC/DC Buck Transformer Power Supply : Electronics