Forum Discussion

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?

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,386 PostsLatest Activity: May 13, 2026