Because there are lots and lots of models. I have this one: https://www.amazon.com/Spigen-ArcStation-Charger-Black-2-Port/dp/B08PRZ815M and it works for me.

I don't own a switch, might be worth cross checking if it's the right set of voltages. My laptop likes that one...

You can get cheap adapter cables: https://www.amazon.com/Cigarette-Extension-Perforated-10FT%EF%BC%88Send-Insurance/dp/B07TTNF118/ (not tested).