How durable are Tesla vehicles
New data on battery life at Tesla: Over 90 percent after 280,000 kilometers
Tesla launched its first electric car back in 2008, and most of the 2500 or so roadsters are likely to be on the road today - above all the very first series-production copy from Tesla CEO Elon Musk himself, which made its way to Mars a good two years ago was sent. Model S, Model X, Model 3 and Model Y have been added one after the other since 2012, and a total of more than a million Teslas have now been built. In this way, more and more long-term information is coming together that provides clues to an important question: How long does the battery in an electric car (in this case from Tesla) retain its capacity?
Tesla batteries last a long time
The data will most likely also be collected and analyzed by Tesla itself, but Maarten Steinbuch, among others, is taking care of it publicly. On the basis of an online survey of Tesla owners that was started in the Netherlands and is now being looked after from the USA, he regularly creates graphics on the loss of capacity in the batteries of Model S, Model X and Model 3 (so the Roadster is not included) over the years as well as the kilometers. According to Steinbuch's blog, the reported battery data was last updated at the beginning of May.
And these analyzes show a reassuringly clear picture: Even after around 240,000 kilometers, an average Tesla battery still has 92 percent of its initial capacity. A 400-kilometer range when bought, for example, would be 368 kilometers after a mileage that can be considered proud of a combustion car. And even at 280,000 kilometers, Tesla batteries have lost less than 10 percent according to the data.
No data for other e-cars
However, the batteries drop to 95 percent of their starting capacity very quickly - after around 80,000 Tesla kilometers. The good news behind this is that the curve of the degradation becomes significantly flatter from about this point on. Beyond 200,000 kilometers, the data becomes sparse, so that the reliability of the curve laid by Steinbuch in the cloud of individual values is likely to decrease. However, updated, it indicates that the 90 percent will only be undercut when a Tesla with its battery has covered more than 320,000 kilometers.
It may be of little consolation for the few downward outliers that can also be seen in the data (but could also be errors), but overall these analyzes should largely dispel possible concerns about the long-term durability of Tesla batteries. In the case of the electric cars that are now increasingly being built by other manufacturers, however, it remains to be seen how durable their batteries are. Because, like Tesla's at the beginning, they are simply too new for long-term practical data.
Tags: rechargeable battery, battery, electric car, durability, Tesla
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