Victron Energy Orion-Tr DC to DC Converter - 48/12-Volt 20 amp 240-Watt - IP43 Protected - for Dual Battery Systems - Isolated

This is a sturdy voltage converter/regulator and it works well for what I was designing.I've ran a 10 amp water pump on it for a while and it stayed cool.The terminals are rugged enough, it looks fairly water tight and works fine for my custom design which is to supply a full 13V DC level to a 12V sump pump on a 100A-Hr battery back up where I need it to lift water 10 feet over a basement wall if needed on big thunderstorms and the power went out.A photo is attached of what the assembly looks like with the same brand of battery charger added.I use a control block (circuit) with a water pump float switch as an input to activate the pump.The switch I use has a timer + a long-throw float switch so it runs long enough to drain the sump and will alarm if there was an issue of not pumping.The control signal goes to an optional input switch on the converter which only needs a few mA to set the output ON-OFF. or just jumper that if you want it to remain on.This is more robust and adjustable than any battery backup system I could have bought and I've had several which all failed after a while.Using the DC Converter plus a regulated DC charge controller gives full, adjustable control of the charge rate, final voltage levels and maintains the battery with intelligent battery levels over time.Commercial sump pump battery backup systems tend to overcharge the battery eventually which wrecks the battery and runs too slow when pumping. This setup is superior when coupled with an intelligent charge controller and the DC converter.This design allows a 12V DC pump to run at FULL speed at 12.8 - 13.5V if I want and turn off quickly rather than pumping slooooowly at 12V or 12.4 and run the battery down because it takes too long.This method runs the DC pump at FULL speed and shuts off quickly which is less draw on the battery overall.I added DC breakers for protection of the battery, the pump and for the DC converter.This setup also works if you need backup batteries from a 12V vehicle battery 50-100 feet away and the voltage drops over the long distance and ends up too slow to run a pump.You can give the converter 10V or whatever and it will still output a full 12.8V or whatever you set it to.Of course, energy is still energy so if you feed 10V in and want 12.8V out then the input current will be higher accordingly.My only complaint is the DC adjustment screw is TINY, recessed, hard to see and made of plastic which is hard to adjust.That is the weakest part so get a small screwdriver that fits well so it doesn't strip out the plastic screw. The rest is well made.

Solid performance we all expect from Victron. I used this to power my Starlink antenna and have had no problems. I blew out several lower priced DC to DC converters before this. I think on a rolling boat the Starlink takes more power than it is spec'd for.

Bought for a Starlink Mini installation. Super easy to wire and get working. Grab your multi-meter and adjust the output voltage by rotating the adjuster Clockwise to increase the voltage output. I set it to +/- 30V and the Starlink is happy happy happy. This combined with the 12v socket on an ANKER solar generator is a super simple way to have DC to DC power for the Starlink Mini. I tried using a Cigarette style 12v to 30v adapter and it got hot and I was worried the cheapo-circuits might overheat, fail or cause a fire. I've got lots of Victron components in an RV and a Boat and trust they know what they are doing. This product has a much larger heat sink and doesn't even get above skin temperature during hours and hours of use.

I use this product to charge a 12v accessory battery in my work van without draining my starter battery. I have it wired to a simple 12v switch which I turn on when I need to charge my battery.It works perfectly. Installation was simple. The manufacture helpfully included terminals to connect a switch, requiring very little current so a cheap switch (vs a battery disconnect switch) will suffice.

First, this unit is not intended to be a DC to DC charger. You need to get the Orion-TR Smart to do that. That said, this is the highest quality DC to DC convertor you can buy. It's rugged and designed for mobile applications.I installed this in my house electrical system in my truck. This system is built around a secondary battery that is charged by solar and the alternator while driving. The Starlink Mini will run off 12v with the appropriate cable, but to use a long power cable without going to 10 awg wiring you need to bump the voltage up. The Orion-TR 12/24 accomplishes that.What sold me on this product was the ability to adjust it up to 30 volts. This is easy to do with a meter and a screw driver. 30 volts DC is what the OEM Starlink Mini 120v adapter puts out. I installed this unit, added a remote switch to be able to turn it on and off as needed, and built an outlet for the 5.5x2.1mm DC plug. Plug the OEM 15m cable in and you're off. It really is that simple.