Originally Posted by MacGuruTX

most inverter plugs, like on an airplane, don't deliver a pure sine wave current.

I assume the "medical plugs" have the higher quality pure-sine wave current output.

For your S8, did you use the humidifier?
I'm flying D tomorrow, SIN-HKG-LAX. and considering pulling my s8 out of my bag, especially if the humidifier worked.