Lenovo's newest Lenovo Tab P12 Pro is a high-end tablet that packs some impressive specifications, including a Snapdragon 870 SoC, a 12.6-inch AMOLED screen clocked at 120Hz, and a 10,200mAh battery that supports 45W fast charging. It will be available for purchase in October 2021.
https://www.notebookcheck.net/The-Lenovo-Tab-P12-Pro-is-the-newest-high-end-Android-tablet-in-town.558960.0.html
As much as I'm a fan of Lenovo hardware, I have no faith that they will deliver Android OS upgrades for any reasonable amount of time. I've been burned before.