This is the solar charger that I have. I do a lot of backpacking and car camping (this charger is in my car camping bin), and someone on one of those subreddits had purchased a lot and done an exhaustive study on them.

You’re better off letting it charge a battery bank for the day, then using the battery bank to charge your devices.

Ryno-Tuff Portable Solar Charger... https://www.amazon.com/dp/B0787GQZTQ

It’s a couple of years old so it has regular USB plugs and not USB-C (fyi)