Unable to answer "How many cars can be charged here at the same time?" for https://osm.org/node/6375342613 via StreetComplete 44.0:

Desk and chairs for laptop and phone charging. Spots for 7 people to sit, 7 120 volt plug-ins, and 14 USB ports.

Attached photo(s):
https://westnordost.de/p/96519.jpg