According to foreign media reports, for electric car owners and potential users interested in purchasing electric vehicles, battery attenuation has become a major problem for the former. However, according to the performance data of Tesla battery packs, its performance is currently very reliable. According to the latest data, when the Tesla vehicle has reached more than 160,000 miles, its energy capacity has a decay rate of less than 10%.
A group of car owners in the Tesla Forum are collecting relevant data from more than 350 Tesla cars around the world and frequently update their research findings into Google's public documents. The data clearly shows that after experiencing 50,000 miles (about 100,000 kilometers), most Tesla car battery capacity will have a decay rate of 5%. As the mileage increases, the battery capacity will It tends to be steady and it seems that it will not decay by another 5%.
At present, according to the trend line, after the Tesla vehicle battery is charged or discharged 300,000 times (average value), its battery capacity will be attenuated to 90% of the original battery capacity.
He or she excludes some battery packs that are outliers, and then takes other data such as DC fast charge and daily charge status into consideration. I want to find out the cause of battery decay and the correlation between various factors. Sex. However, there is currently no indication that such factors will have a significant impact on their data.
Well-known battery researcher and Tesla R&D coordinator Jeff Dahn announced through his research team at Dalhousie University that in order to extend the battery's cruising range, it is recommended to charge the battery to 70% per day. full.
Tesla claims that battery degradation in the Tesla Model S and Model X models is not covered by the warranty. But for the Tesla Model 3 model, Tesla promised in the warranty that its battery capacity retention rate is 70%.
Jeff Dahn, a well-known battery researcher and Tesla R&D partner, announced through his research team at Dalhousie University that it is recommended to charge up to 70% of the battery per day to extend battery life. full.
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