Source: https://cleantechnica.com/2019/09/15/7-year-old-tesla-model-s-at-98-battery-capacity-today/ The Redditor noted at the top, “ManhattanTime,” said in his post that he charged the battery up to 90% the night before, as he has always done for the past 7 years. 90% charge gives it 234 miles today. When it was brand new, it would have been 238.5 miles at a 90% charge. This is how he calculated the 98% of the original battery after 7 years of use. Bob Wilson
