Tesla hasn't released any additional information about this helpful piece of machinery, but the company's CEO, Elon Musk, hinted back in Dec. 2014 that something like it might be in the works. The billionaire entrepreneur tweeted to over 2 million followers that Tesla is working on a "charger that automatically moves out from the wall [and] connects like a solid metal snake." [The 6 Strangest Robots Ever Created]