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captdaveo's avatar
captdaveo
Explorer
Jul 20, 2024

Running A/C over draws the batteries causing inverter alarm

I'm trying to run a rooftop A/C unit that draws 10.5 amps at 120V = 1260 watts. I have a 2000 watt inverter connected to a 430 amp hour battery bank using 18' of 2/0 stranded cable. This should be ...
captdaveo's avatar
captdaveo
Explorer
Jul 22, 2024

Brand new batteries. Two sets of deep cycle 6V golf cart batteries wired in series, then the 2 sets in parallel, 215 amp hours per battery.  The solar charge controller is set to stop charging at 13.8V, perhaps I should set that higher? Was trying to avoid adding 2 more batteries, but that might be necessary...

time2rollagain's avatar
time2rollagain
Explorer II
Jul 22, 2024

Yes most GC2 will call for a couple hours absorption time at 14.4 - 14.8 volts.  Verify with the manufacturer.

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