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Based on what we're seeing with Tesla batteries, they can be expected to last up to 20 years – roughly the same amount of time that the vehicle will be in operation.
However, a Tesla battery lifespan is influenced by usage, charging behaviors, temperature, and battery configuration of the vehicle.
After 10+ years, other expensive parts on a Tesla may begin to wear down - just like with any car.
Manufacturer warranties on Tesla batteries are typically for 8 to 10 years, with some variation based on model year and trim level. Tesla guarantees that their battery will maintain a minimum percentage of its capacity over the warranty period.
The chart below shows observed range degradation as real Tesla Model Ss age.
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