As a mobile power supply solution, I think the Delta Pro offers no possibility if it is handled in the app like the Delta 2. Then only the current solar power can be displayed.
You can only get a detailed history including a meter with the BKW solution from EcoFlow. So if you use a Powerstream to charge the Delta
The plugs are just as clunky as the Hue ones I think they also block the other slot. It does not work with a double socket.
Depending on the model of the 3 sockets.