Originally Posted by
bk3day
Pardon my ignorance on the subject but is there anyway to buy an add-on that would make my AC adapter work on a plane with DC ports?
Yes, it's called a "DC inverter" or just an "inverter."
You're in luck with AA, since an automotive jack style one will work rather than an empower-specific one. Make sure the wattage is enough to power your laptop power cord (typically 65-75W) but no higher than necessary.