Nice video. I am about to buy a powerroam, having a "dumb" (unsmart) AFERIY at home (with some + and - compared to the UGREEN). Even if most of the settings can be done at the station, it's much more convenient to check and change them via app. Self check is maybe interesting, even if no faults are there.
My initial reaction was that an app for a powebank was a bit pointless but after watching your video I can see the advantage of having a safety lock, battery preservation mode, slow charging and control over operating modes. I have a small powerbank that likes to turn itself off and it's really annoying.
