Forum Discussion
work2much
May 19, 2017Explorer
I like to stay above 60% for batteries which would give you about 70Ah of battery *if* the batteries were in good shape and fully charged. It's not likely that running the generator for a couple of hours would get a good and complete 100% charge. Combined with other draws on the batteries for things like lights, detectors, loss of power through wiring it doesn't surprise me that 2 small batteries wouldn't sustain the camper for more than a few hours.
I would add at least 500 watts solar and 4 GC batteries more than doubling your battery bank, but more importantly giving you enough solar to overcome the draw of the fridge/trailer during the day and keep the batteries topped off for overnight. You may still need the geneset for cloudy days.
Also I would consider a much smaller inverter dedicated to the fridge 300 watt P/S should be plenty. High quality smaller inverter will waste less power converting 12v to AC.
As mentioned above make sure that the frost free mode is off if possible. Some fridges run that heating element multiple times in a 24 hour period. Big draw..
I would add at least 500 watts solar and 4 GC batteries more than doubling your battery bank, but more importantly giving you enough solar to overcome the draw of the fridge/trailer during the day and keep the batteries topped off for overnight. You may still need the geneset for cloudy days.
Also I would consider a much smaller inverter dedicated to the fridge 300 watt P/S should be plenty. High quality smaller inverter will waste less power converting 12v to AC.
As mentioned above make sure that the frost free mode is off if possible. Some fridges run that heating element multiple times in a 24 hour period. Big draw..
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