Powermax 110 Volt to 12 Volt DC Power Supply Converter Charger for Rv Pm3-55 (55 Amp)

Easy install and no noise at all, works great in our 5th wheel

My Atwood had brackets factory riveted to secure in place. I transferred those to the Powermax. Make sure your not drilling into to something critical inside if you do this. Also my Atwood was wired into a junction box, the Powermax comes with a standard 120v plug. I added a quality 20amp outlet and was in business. I also changed to 2 6v golf cart batteries wired in series for more capacity. I have been cooking batteries for a few years now. Those days are over. So happy I put this in.

Works great!!

Worked great!

I watched many RV YouTube videos to research for a replacement for the converter for my RV after the factory one quit. I think this converter will maximize may deep cycle battery life because of the 3 stage charge rate.

It was very easy to install

This converter is a replacement for one that failed in my RV. It arrived on time and I promptly removed the old one and installed this one. It was a little effort to install it since the base was not quite the same size as the previous one and the space it sits in is small and difficult to work in. But after testing it and installing it, it is doing a great job keeping my 12 volt system fully charged and functional.

Not 5 stars only because I just got the unit today and confirmed that its working. My application required replacing a shot Atwood APS 5530 converter. I simply disconnected that unit and left it in place, and hooked the Powermax up the same way using 6AWG wire: Powermax positive output to the Converter + input on my Atwood fuse board. Powermax negative output to the grounding block on the back of my panel. Plugged into the same outlet as my microwave. Removed the 40A reverse battery fuses on the board since the Powermax is fused. Voltage tested at 14.7 at the unit and the converter input on the fuse board. Dropped to 13.6 after a few minutes, unit was warming up but no fan running. Voltage at the battery + on the fuse board reads 12.5. Good enough for me ... Ill hope this lasts a few years or more and keeps my batteries in good shape. I plan to mount on the wall next to the microwave which offers plenty of front/rear breathing room for the fan. No way to mount it in the same space as the panel.

Works better that my original factory 55 Amp Converter, and it arrived promptly.