24 volt to 12 volt DC/DC converters, fully isolated, Heavy duty, marine and military grade (fully regulated) from 540 Watts.
Samlex IDC-200C-12 30v-60v to 12v DC to DC Converter
DC-DC 24V to 12V 3A Buck Converter Step-Down Module Waterproof Car Power Supply
EKYLIN DC 12v to 24v Step up Converter Regulator 10A 240W Power Supply Adapter for Motor Car Truck Vehicle Boat Solar System etc.(Accept DC9-20V Inputs) : Amazon.ca: Electronics
12V/24V to 24V 6A 144W DC DC Step Down Converter Voltage Regulator – Daygreen
12V to 24V 15A 360W DC DC Step Up Converter Voltage Regulator – Daygreen
DC-DC boost Converter module DC 12V-24V to 200V -450V 300V 400V Voltage Regulated adjustable Power charging F nixie clock glow - AliExpress
Lone Star Step Up 12V To 24V Converter | Aircraft Spruce Canada
24V to 12V 30A 360W DC DC Converter 24 Volt to 12 Volt - Walmart.com
12V to 24V DC Step up Converter 10A 240W, 12V to 24V Converter with Fuse Waterproof
NEW Breas HDM 12V DC Converter Kit Vivo 50 60 004901 Warranty FREE Shipping MBR Medicals