Unable to answer "How many bicycles can be charged here at the same time?" – Stadtwerke Saalfeld (Charging Station) – https://osm.org/node/9954058399 via StreetComplete 63.0:

E-Bike Ladestation offenbar nicht mehr vorhanden, nur Hinweistafel

Attached photo(s):
https://streetcomplete.app/p/338754.jpg