Hello Zorschis and welcome on OpenStreetMap

Thank you for adding the charging station. Please have a look at https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dcharge_point
and
https://wiki.openstreetmap.org/wiki/Tag:amenity%3Dcharging_station

There you'll find the correct taging scheme for a charging station.
If you have fourther questions, don't hesitate to ask on the swiss osm mailing list: http://lists.openstreetmap.ch/mailman3/lists/talk-ch.openstreetmap.ch/

Greetings, sampeto