Here's How A Tesla Battery's Capacity Degrades Over Distance Traveled
Tesla’s battery technology is among the best, yet it still degrades as the car rolls through thousands of miles over years of driving. As prices continue to climb, the desire to own a Tesla has to be weighed against its long-term value. While every type of car has ongoing maintenance costs, the battery in an electric vehicle is among the most expensive parts to replace, making its lifespan critically important.
Tesla is not only an electric car designer and manufacturer. It engineers the large battery packs that power the vehicles. Every year, new advances are made, and research is ongoing. The goals always are to find ways to improve cost and efficiency without sacrificing durability. The availability of materials to increase battery production is also becoming an important consideration. It has led to Tesla's adoption of a new iron-based battery formulation to reduce the need for cobalt, which is in high demand as the shift to EVs accelerates.
Related: Model Y: How Much It Costs To Charge Tesla's Crossover SUV
Tesla recently published its 2021 Impact Report, which details, among other things, how the electric battery packs degrade over distance traveled. This information is found on page 67 of this 143-page document. In summary, Tesla states that the batteries used in Tesla cars are designed to function for the vehicle's entire life, implying that the cost of replacing a Tesla battery might not even be relevant when estimating long-term value. In a Tweet, Tesla made the point even more emphatically, suggesting the battery is made to outlast the car.
Battery longevity is critical. Every battery we make is designed to outlast the vehicle it’s in pic.twitter.com/ZbTzQN55u4
Tesla included a chart showing Tesla Model S and
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