12V to 24V Step Up Converter / Aux Battery Charger from alternator

Step up your vehicle's 12 volt battery output to a 24V auxiliary battery. Victron Orion IP67 DC-DC Converter 12/24-50A - 1200W Model: ORI122421226 Completely encapsulated: waterproof, shockproof, and ignition-protected. Water, oil, or dirt will not damage the Orion IP67 DC-DC Converter. The casing is made of cast aluminum and the electronics are molded in resin. Completely encapsulated: waterproof, shockproof, and ignition protected  Water, oil, or dirt will not damage the Orion IP67 DC-DC Converter. The casing is made of cast aluminum and the electronics are molded in resin.  Extra-long input and output cables  Thanks to the cables of 1.8 meters in length, intermediate cable interconnections to increase length even more will in most cases not be needed. This is an important reliability-increasing feature in an area where an IP67 protection grade is needed.  Wide input voltage range  With a 15 to 40 Volts input range, a stable output is ensured during surges or sags due to other equipm