Hi all. Our 91 Fiat Dukato has the following when we bought it. Two leisure batteries (tested as sound), 100 w solar, a Waeco 26c fridge (working badly), hot water unit and led lighting. We added alternator charging and got the fridge working with Craic help by running cables direct to batteries.. Now, after coming off hook up we can be off grid for two nights before the fridge stops o and the lights flicker. Is this about par for the course or should we be able to last much longer? And, if I want to last much longer, what shall I do? Thanks!! Steve