What is the load of an AC inverter on a battery?

What is the load of an AC inverter on a battery?
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Answer :

answer:If this is a new inverter, figure it is only 80% efficient. If you are truly drawing 1100 Watts continuously then the inverter is drawing 1375 Watts. You are feeding it with 12 volts Power = Volt x Amps So 1375W = 12V x Amps Therefore Amps = 1375/12 = 114 Amps. With an 18 Ah battery that means 18/114 = 0.15 hours or 9.5 minutes of full on operation. Not 2 hours. You have some options. 1) Get 228 Ah of batteries. That is approx 6, 42 Ah car batteries. 2) Reduce your power consumption 3) Use a small 1500W gas generator. Sorry for the bad news but the most of the laws of physics are difficult to break.
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