I added one of these to my kit. https://www.homedepot.com/p/Leviton-Grounded-Triple-Cube-Outlet-Adapter-White-R54-00692-00W/100356925 https://www.homedepot.com/

I added one of these to my kit. https://www.homedepot.com/p/Leviton-Grounded-Triple-Cube-Outlet-Adapter-White-R54-00692-00W/100356925 https://www.homedepot.com/p/Leviton-Grounded-Triple-Cube-Out... It takes up almost no space, is light, and saves the day at airports.