Originally Posted by hbyerly
Be prepared though, in my experience on UA only about 1 in 4 empower ports actually works.
I have been on numerous domestic aircraft with no Empower, but since they [finally] finished the installation on the 777s, I have not been on an international flight that did not have Empower. I have never been on a UA flight where the aircraft had Empower, but it was not working at my seat.