Inverter question about 12v draw
At 50 watts of draw at 110v, how much will an inverter draw off house batteries? I know 50 watts at 110v equal about .45 amp. What is the formula for converting it to 12v less the efficiency loss of...
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5 amps I can live with. It's for the Dish receiver. Trying to calculate amp used in an evening of sat TV maybe 3 or 4 hours. So maybe 25ahr used per night. Have 2 group 27 batteries so as long as I keep it under 100 amps til morning I'm fine.
