Look, I'm an idiot. I know that, you know that, and the man on the moon knows that. Let's not get into why I'm an idiot; let's just accept that I have my peculiarities and you have yours. My idiocy is a quest to make sure all my portable electronics can recharge using USB-C. Modern smartwatches are tiny and they do a lot. As a consequence, their battery life is generally poor. The industry's…
You can certainly charge a phone with a PD laptop charger. PD does negotiate, so it will only give the device what the device indicates it can support.
I use my laptop charger with my android phone frequently if I’m out and about.