Why EV fast charging slows down after 80 percent

It doesn't mean you have a bad battery.

By Nimrod Aldea Nov. 9, 2026 11:45 am EST Sergii Kozii/Shutterstock Add Engadget on Google: Google Discover

When the Tesla Model S launched in 2012, plugging it into a regular household outlet meant waiting more than 50 hours for a full charge, and all you got for that was up to 300 miles. The latest Model S is a different story: by the company's own figures, the car can add up to 200 miles in 15 minutes at a Supercharger. That's a very different car to live with.