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- Sep 6, 2009
270 Watt Solar with 200 ampHR lithium batteries.
I want to increase to 500-600 watts solar and add 200 more ampHR of battery.
Of course it’s not really feasible to run AC off of battery, but if I had 500ish watts of solar and 400 ampHR of battery I could go pretty much indefinitely. Everything is either 12V or propane besides the A/C and TV’s.
You cannot run ac with 500w solar and 400amph of battery. At least not for more than a few minutes.
I have 570w solar and 400amph battery and I tested it. It drained the batteries in about 15 minutes.
You need about 2000w solar and 2000amph batteries minimum for ac.