How much power does an inverter use?
In our Casita travel trailer, I have one 12V outlet. I have two inexpensive inverters (Walmart) that plug into the 12V outlet: one inverter is 100W, the other 400W. My laptop needs 90W to charge. ...
Forum Discussion
rdhetrick wrote:Correct. Every inverter uses a small amount of current to run itself.
Since nobody answered your actual question, Yes, the inverter will only draw from the batter what is needed - plus its "dead" load.
