Emirates seem not to have a problem with the battery pack as long as it is a dry type (no lead-acid, I had visions of lugging a spare car battery along) and no protruding terminals. They seem not interested that it uses as much power as my old laptop. I found that a few airlines do not seem to objec...

Does anyone know if the SleepyHead will work with a Somnobalance machine? I use a Mac, so that is an additional complication.