A power station offering USB-C PD as well as AC and DC power output options. You can take advantage of all these ports by charging up to four devices at once.
Omars 26800 Portable Energy Storage Station Review
A power station offering USB-C Power Delivery, Quick Charge, and a 90W AC outlet for larger devices. Too large for regular travel, though it could board a U.S. flight without issue.
Novoo 85W AC Portable Power Station Review
A power station offering 15W USB-C, Quick Charge, and an 85W AC outlet for larger devices. Capable of running a docked Nintendo Switch for up to 3 hours. As well as charge your smaller devices.