I ran my inverter 1000 watt xantrex for (1 Led tv, dish receiver), then 1, 12 volt Led tv, 2 Led lamps and satellite dish (Winegard G2) for a little over 18 hours when the inverter alarm went off for low battery power and almost 20 hours when the inverter shut off due to low voltage (forgot to see what the volts read on the BMK when that happened). I was impressed with the endurance of the 4, 6 volt batteries compared to the 2, 12 volt batteries. I was averaging about 11.5 amps according to my BMK. I'm sure there are other parasitic drains, when I plugged in the shore power cord I was pulling 13 amps on the battery converter (charger). I haven't figured out if I'm going to put on solar panels (400 watt kit, 4 panels with charge kit) or Magnum Generator Auto Start (I like the feature to set battery voltage, temperature and have a/c's come on for my dogs). Any thoughts