Mex: Thanks for the explanation on CEF. Could you post up what you find out. I assume that the Trimetric does this also?
Harvey: Thanks for the link, I will go look at that also. I purchased the 400A one. I figured that would cover anything I would need for my 615AH bank. I think the microwave pulls the most amp since I never intend to run an AC off the inverter. Currently, have 75W solar but I am only a weekend camper with usually one two week trip per year. Plan to be full time in about 10 years. So, I have a slow purchase plan to get to the 400-600W range in about 8-10 years. Actually had the 75W panel given to me. Got plenty of real estate on a 38 footer.