Originally Posted by freddirkse
Hi Jim -
I can't give you any concrete assurances yet, but I would definitely put my money on you making it through 8 hours on that battery bank with room to spare - as long as you're not running any other devices pulling heavy juice like the AC, heat pump, etc. Although not ideal for the best night of sleep, you could do a one-night experiment and wake up every 2-3 hours and check your batteries.
I took your advice and ran them on the batteries just to see how long the refrigerator would last. I went for two full days and the charge indicator dropped from full to 2/3 charge. Made me pretty happy. I think it will work just fine.