It's just more mush like everything else you post here.
There's nothing anyone can see except a bright light against a dark background.
I guess that proves that your country is being invaded by space aliens?
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.