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

Works real good

I am using the inverter to charge 2 deep cycle batteries for use in a small cabin in the woods. The cabin utilities rv 12vdc appliances, water heater, water pump, refrigerator, furnace, exhaust fan, usb outlets and lighting. The 2 batteries deplete to about 40% in 24hrs and using generator 110vac power, the inverter will fully recharge the batteries in about 2-3hrs. The inverter puts out very little heat and the fan only runs periodically for a minute and then shuts off. The inverter makes no sounds except while the fan is running. The only downside is the green green light which indicates the inverter is powered by AC voltage. Its fairly bright.

It was very easy to install

Super easy to install.

I’ve used this for a couple months now and this was very easy to use and setup!

I love the LED light letting me know at a glance that the ststem is working :)

Finally got this Converter installed. It is working perfectly in my camper. Has three phases of power generation, from quick charge to steady system 12 volt to trickle charge. Used original converter chassis so the Power max slipped right back in the panel. Did have to drill some cooling holes. The original unit is no longer made, so, any converter would have required work. The PowerMax is the easiest to convert to my rig! Working Fantastic so far!

Installed in my toy hualer works great. Definitely a upgrade from the old one.

This was purchased to replace a single-stage charger/power supply in an older travel trailer. The older units bulk charge only design apparently contributed to shortening the lifespans of several (ruinously expensive) deep cycle batteries, something I didnt want to see repeated. This units three-stage charging should help address that issue. This unit was of slightly different dimensions than its open-deck predecessor, necessitating some engineering of the plastic enclosure, but that was known at purchase, and was not an issue. The fan-noise is quite reasonable, and is only active when needed. While I didnt open the unit to see its contents, the good quality of the metal case and exterior connections leads me to believe the the same quality is present electronically, an opinion supported by solid output voltage/amperage over two weeks of initial use.

Was very easy to install and works great, have had on my rv for a couple of months and still working great.