Why Pack a Travel Power Adapter for a Domestic Flight?
First, the problem.
On U.S.-based airlines the U.S. power outlet configuration is the most frequently used, naturally.
The unbelievably simple solution?
Plug an international travel adapter into the universal outlet in the plane using a different prong configuration.
Switch your power adapter to the bang out G/UK configuration and you’re sure to find a snug fit.
Jason Fitzpatrick / How-To Geek
but will also be useful at home, too.
Jason Fitzpatrick / How-To Geek
The Epicka 75W GaN univeral travel adapter is compatible with outlets in over 200 countries and includes an integrated 75W charger with 4 USB ports to ensure you can charge your gadgets on the go.