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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

Explorer II

Jul 22, 2024

Also keep in mind 430 Ah is based on a 20 hour discharge rate. The 3 hour rate running the air will be closer to 300 Ah. Another good reason to add the two more batteries.

Compare with US Battery US2200

https://www.usbattery.com/wp-content/uploads/2022/07/usb-ampere-hour-capacity.pdf

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Running A/C over draws the batteries causing inverter alarm

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