Aside from charging other accessories, like the Google Pixel Watch 3 and Google Pixel ... use the brand’s own charger, irrespective of whether it comes in the retail box or sold separately.
Just recently, they got the option to bypass charging completely and be powered directly from a charger. And for most Google Pixel users, the Adaptive Charging method is the one we'd recommend.
Google’s latest Pixel update allows you to limit battery charging to 80%, and that seems to come with the side effect of being able to use “bypass” charging. Here’s what that means ...
Google has confirmed that Pixel phones with the new 80% charge limit support bypass charging. When 80% charge is detected, the battery stops charging, but current is still used to power the handset.