I meant just plug it into 110 like the vast majority of boaters and RVers do.
Worrying about that little bit of efficiency eill drive you nuts if you treat everything you do that way.
All he wanted to know is if he would damage his computer power supplies and the answer is no to maybe.
Not all laptop power suppliescare created equal and neither are inverters.
Some modified wave inverters have a closer wave pattern to pure and these seem fine with electronic devices.
Some power dupplies seem to burn out quick, probably manufacturing defects or substandard parts.
We gave had numerous laptops , pads and phones plugged into three different types of modified wave inverters for 6 years of living aboard and 2 of the laptop power cords have been replaced. I had just replaced one while still living ashore before moving aboard, so I cant say inverters are necessarily hard on power supplies. Maybe technically yes, but for practicality, not really.