Downsizing to smaller rig, battery capacity
The one I'm looking at holds two standard size 12 volt batteries. I have to run a CPAP @ 3.75 amps and an oxygen concentrator @ 7.9 amps for about 8 hours. I don't know if two standard size batteri...
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Looking at your old setup, a pair of GC=2 and solar, how did that do?
If you were not drawing that down to less than 60% of a full charge, then cutting it in half is about your minimum.
Two GC-2 batteries with 210-230 amps will allow for the needed 64 amp hrs for the O2 concentrator and the 32 amphrs for the CPAP but you will need to top off daily, not getting back over 90% with that will leave you lacking after only a day or two.
If you were not drawing that down to less than 60% of a full charge, then cutting it in half is about your minimum.
Two GC-2 batteries with 210-230 amps will allow for the needed 64 amp hrs for the O2 concentrator and the 32 amphrs for the CPAP but you will need to top off daily, not getting back over 90% with that will leave you lacking after only a day or two.
