To the OP; If you decide to do this a good choice of manufacture would be a Samsung if in fact you have a modified sine wave inverter. If your inverter is pure(or true) sine wave then any one of them will work. Samsung refers require 120 volt AC power supply but this is immediately rectified internally to a DC voltage and all components lights, control panel,compressors (mine has 2 one for refer and one for the freezer), ice maker ect. all run on DC voltage. They actually consume less energy than a Never Cold. Also in choosing a refer make sure the warranty will not be voided if it is installed in an RV. Just my 2 cents; kdk