The Pixel Watch doesn’t offically support wireless charging for a reason
by Victoria Song from The Verge - All Posts on (#64QVS)
It took me 10 attempts to get this shot. You'll have much better luck if you remove the straps, but even then I wouldn't call it reliable. | Photo by Victoria Song / The Verge Google's official line is that the Pixel Watch does not support Qi charging or reverse charging from a phone. However, in the last few days, many users have anecdotally reported that these wireless charging methods do, in fact, work. Curious, I tried it out for myself, and I'm sorry to say that, while it does sort of work, it's simply not reliable.
First off, I decided to try charging the Pixel Watch using my Pixel 7 Pro review unit. I turned on the Battery Sharing feature, plopped the watch on the back of the phone, and it worked! For a grand total of 10 seconds. While the charging animation popped up, it never actually maintained a stable-enough connection to meaningfully charge. Sometimes I got it to work for as long as a minute, but...