Aside of trying to figure out how to operate the shower in a hotel room you've never been in before, the second most difficult task is trying to figure out how to operate the various lights in the room--and if there's a ceiling fan--that throws another monkey wrench into the mess.
The electrical setup in hotel rooms is convoluted at best. I could never figure out why some lamps won't turn on the "normal" way, and you have to go on a hunt for some elusive wall switch that kicks on the power. So the fact that none of your devices were charging, isn't a surprise at all to me. Been there . . .