When is battery replacement necessary

The U.S. Department of Energy has found that the percentage of electric vehicles requiring battery replacement due to faults was less than 1.5%, and it decreased to less than 1% for models from 2016 to 2023. The driving range does not always reflect the battery's condition, as battery systems naturally degrade over time and with use, influenced by factors such as temperature, charging methods, and driving patterns. Studies indicate that modern car batteries can last between 8 and 15 years, depending on climatic conditions. The annual decline in distance traveled is approximately 2.3%, and a technical inspection should be conducted if sudden changes in performance or warning signals are observed, rather than automatically replacing the battery. This is especially important since the replacement cost outside the warranty can range between $5,000 and $16,000.

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