Units with this beta version are also called still having problems even when the final version of Android 9 Pie paired on their device. On the website of the Google Issue Tracker, users complain of fast charging technology no longer work in Pixel XL Android-powered 9.0 DP4.
The report concludes with a final status of Google's "Won't Fix (Infeasible) ", meaning that the changes are needed to fix the problem it is not possible, or that the AOSP is not a precise location to report Affairs.
Pixel devices should support fast charging technology with a certified cab for USB-PD. When the cable is used, the cell phone is charged with a 5V / 3A current level and the "Charging rapidly" message appears on the device. The message no longer appears, even when charging using a USB-PD cable.