First of all Musk posted tweet in last December and promise will release new charging device like a metal snake for charging Tesla S. Here this tweet.
Btw, we are actually working on a charger that automatically moves out from the wall & connects like a solid metal snake. For realz.
— Elon Musk (@elonmusk) December 31, 2014
And today Tesla release video when we can see this awesome charger! This is real metal droid almost like a real snake. When you park your Tesla S this robot automatically opens the hatch and docking to your machine. After that charging is starting.
Charger prototype finding its way to Model S. https://t.co/L9E4MR642G
— Tesla Motors (@TeslaMotors) August 6, 2015
Well, I don’t know exactly how long they will testing this but maybe near in next year you can buy this device with you next Tesla S. Not bad!