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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 ...
time2rollagain's avatar
time2rollagain
Explorer II
Jul 21, 2024

18' of 2/0 is still a bit far to feed 150 amps to an inverter.  Have you checked the inverter input vs voltage at the battery terminals?

captdaveo's avatar
captdaveo
Explorer
Jul 21, 2024

I have, no voltage drop from the cables.

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