This may be a bit premature as the phone isn't showing up on Xiaomi's site just yet, but there are plenty of units in stores ...
The top-of-the-line Poco F7 Ultra is expected to be backed by a 5,300mAh battery with 120W wired and 50W wireless charging support. It is said to measure 160.26 x 74.95 x 8.39mm and weigh 212g.