Mavic 3 Batteries have an energy density of 77Wh.
The Powerbank in your link has an energy density of 3.7V x 25Ah = 92.5Wh
Common efficiency of power banks is 75%, this results in 70Wh of usable energie to charge ONE Mavic 3 battery.
If you have managed to bugger up the original by damaging the locking tang(s): you can still avoid a glue-fest by buying a new front housing (link below).
Some types of glue give off heavy fumes and with plastic "glass" (set into the front of...
It's just the equivalent of a lens hood, there's no glass in either that one or the mini 3 pro version. Without it you will get more lens flare. Before you gum things up with blobs of glue: get a magnifying glass and check out the four locking...
There's only ONE DJI Fly app !!
The 2 DJI GO apps are NOT compatible with the DJI Mini.
Here's a more specific Link:
https://www.dji.com/nl/downloads/djiapp/dji-fly