Amazon.com: uxcell DC 48V to DC 24V 10A 240W Waterproof Power Supply Module Voltage Converter Regulator Transformer : Electronics
12V 24V 36V to 48V 10A 480W DC DC Step Up Converter Voltage Regulator – Daygreen
Isolated DC-DC Converter, 48V to 24V | ATO.com
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 to 24V 250A 6000W DC DC Step Down Converter Voltage Regulator – Daygreen
Marine DC-DC Converters | 12V, 24V, 36V and 48V DC | 3 - 50 Amps | Newmar | DC Power Onboard
SEC America, LLC, 7048, 24V to 48V High Power DC-DC Converter