Last week, Tesla Motors (NASDAQ: TSLA ) showed off an innovation that can only be described as "cool": a system that swaps out the battery pack of the Model S and installs a new one -- in just seconds.
Tesla plans to roll this system out to its busiest recharging stations, to offer Model S owners an option to "refuel" quickly. But as Fool.com contributor John Rosevear explains in this video, Tesla isn't just doing it for the cool factor -- there are a couple of good reasons to think that this will boost Tesla's profits.
Tesla's plan to disrupt the global auto business has yielded spectacular results. But giant competitors are already moving to disrupt Tesla. Will the company be able to fend them off? The Motley Fool answers this question and more in our most in-depth Tesla research available. Get instant access by clicking here now.