Larry L wrote:
"Ken Fortenberry" wrote

I use one of these to run my computer from 12 volt.

http://www.xantrex.com/web/id/19/p/1/pt/29/product.asp

It's less than $50 and does the job just fine.

So you then plug the laptop's normal 120volt "wall wart" into this
inverter? I guess I should just wait and try my inverter system before
getting carried away.

I have a little extension cord, and I mean real little, the cord
is only a couple of inches long. You'd be surprised at how handy
that little thing is. But yeah, essentially just plug the computer's
power source right into the inverter.

The marketing hype on these Xantrex micro-inverters makes a big
deal about the "clean" sine wave produced by these as opposed
to other inverters. I wouldn't know a "clean sine wave" from a
dirty wave sign but it's supposed to be OK for laptops.

Oh, and it plugs into the car cigarette lighter or attaches
directly to a 12 volt battery. I don't know what kind of 12 volt
outlet you have in a trailer or whether there's an adapter.

--
Ken Fortenberry