Amazon Best Buy and others have Google Official 45 watt USB 3.1 C-PD PPS ac adapter charger on sale for $24.95.

https://www.amazon.com/Google-USB...0D8WK7N8K/

Charges Pixel Pro 9 Pro XL at its fastest rate. For those who require a thermally stable cool running well regulated adapter which is highly efficient throughout the load range from idle to full power.

modes: PD 5,9,15 and 20V fixed
PPS: 11V, 16V 3A and PPS 21V 2A

allthingsoneplace review:

https://www.amazon.com/Google-USB...0D8WK7N8K/