Unable to answer "How many cars can be charged here at the same time?" – Izivia [FR*SOD*S*SYDR*64*7*_*_] (Charging Station) – https://osm.org/node/11109169325 via StreetComplete 58.2:

Je ne vois pas de borne

Attached photo(s):
https://westnordost.de/p/237708.jpg