It's not unlikely that breakthroughs in battery technology could be retrofitted into present-day electric car. I can totally imagine that 5 years from now you t

It's not unlikely that breakthroughs in battery technology could be retrofitted into present-day electric car. I can totally imagine that 5 years from now you take your Model S to the shop, and replace your battery with a new and improved with 3x the range. It wouldn't be cheap, but cheaper than a brand new car.