Make sure the adapter can mate with both kinds of socket you find on planes. Some (like AA
) use the same as in a car. Others (like SK
I think) us the proprietary connector whose name I do not know. Normally you yank off the car plug to reveal the other connector.
At Brookstone you can get the silver i-something adapter. Also, most manufacturers (like IBM) sell their own. Mine takes car/air/mains power. The adapter is largeish, but it's totally worth it.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo