The Belkin Charging Case for the Switch 2 isn't very sophisticated. But considering it costs $70, that's just fine by me because it has everything you want from a basic case with a very handy bonus.

Belkin’s collection of Switch 2 accessories also includes a slightly thinner $29.99 version of the case that skips the battery and charging capabilities, a $29.99 tempered glass screen protector ...

I can't vouch for its quality as I still need to test them myself, but in the US, you do have the option of alternatives like the Switch 2 All-In-One Carrying Case for $84.99 at Best Buy, which is ...