This isn’t new content but it’s usually not clear how Superchargers work, so here it comes. Two stalls at Superchargers share one charger. For example, 2A and 2B are connected to charger #2 and sharing power. As a rule of thumb, when you are at a Supercharger try to pick stalls that have both A and B stations open, that way you won’t be penalized as much.
Read more: TMC Forum