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Inverter, 3rd pass
Phil, not to belabor the point but you need to look at how much energy you are asking for. Remember, at 12volts 1 amp= 12watts.
Coffee maker 1,200 watts (typical) draws 100 amps. 20 minute run to make a pot= 1/3 hour x 100 amps = 33 amp hours to make a pot of coffee.
Microwave 1,500 watts (typical) draws 121 amps. Run it for 30 minutes you consume 60 AH from the batteries.
TV 120 watts (typ) 10 amps. Watch TV for 4 hours = 40 AH.
If this is a typical day, you will consume 133 amp hours, 166 if you do 2pots of coffee. Considering that you are considering 3 x100 AH batteries and that you should not take more than 50%, you have 150 AH to play with. That leaves you with 17 AH for water pump, lights, frig.
Better skip that second pot of coffee. You probably can't put (or afford) enough solar panels on the roof of your 5th to gain that back -- especially parked in the woods or on a cloudy day.
John
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