Wattage and ohms and amps.....Oh My!
Sorry about that.... Anyway, I have a diesel Motorhome with 4, 12-volt deep cycle batteries (Energizer GC2's, to be specific). We're used to running the generator during movie time, but I'm begi...
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Your battery bank is roughly 440 AmpHours (it is 4 6volt batteries BTW) and you should not use more than 50% of that on a frequent basis. So assumming your batteries were fully charged (big assumption) then you have 220 Amp hours available before needing to recharge. At a 40 amp load you can go about 5 hours.
