Has anyone picked up on the "X min charging required" at a supercharger? How do they know that for a fact? Since it's DC charging, the car doesn't choose the current at which to charge. That's why DC charging in the existing interface (and mobile app) doesn't show an ETA, unlike AC charging.
The other problem is that if the supercharger stall to which you plug into is the secondary stall and the primary one is already taken by another actively-charging Model S, you won't get nearly as fast charging due to significantly (2-3x) lower current.
Lastly, I'm assuming there won't be an indication of how many stalls are being occupied at the next supercharger on your trip. This could be helpful in deciding whether to stop at that location or go on to the next supercharger (assuming you can make it there on the current charge level).
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