Visited yesterday without charging.
It's not super clear who this parking lot is for. The ban sign seems to indicate it's only for visitor of the town hall, but there's a regular parking meter and the signage in front of the charger makes it look like it might be for everyone.
What I find odd is that they painted 2 charging spots, when only one car can charge at one on that hardware. You might be able to start a second session and just leave your car until the other user leaves, but that would be extremely expensive to pay parking for that long and not even know if you're going to have your turn.
There are 3 other AC chargers, in front of parking spots reserved for specific cars.