A 250,000-mile Tesla Model S took nearly 3 hours to fully 'fast' charge.The high-mileage Tesla Model S took 2 hours and 41 minutes to go from fully flat to fully charged.The charging time is longer due to the struggle of free electrons to find open spaces in the battery as it degrades.Charge times are typically quoted as 10-80% time, the Tesla Model S charged from 10-80% in about 47 minutes.