Even if you live in a warmer climate, parking your vehicle in a garage or well-shaded area helps, as a vehicle spends most of its life parked. In general, storing and operating your EV in moderate climates is an effective way to extend battery life. Because each EV manufacturer utilizes different battery chemistries and cooling technologies, each will have its own set of optimal operating and charging instructions.ĮVs with liquid-cooled batteries see better battery life retention because they maintain lower operating temperatures.
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While EV batteries are already durable, there are specific actions owners can take to further maximize battery lifespan.įirst, it is important to follow your EV’s specific guidelines for optimal battery performance, as well as keep your vehicle’s software up to date. On average, EV batteries only degrade at a rate of 2.3% of maximum capacity per year, so with proper care you can reliably expect your EV battery to last as long or longer than ICE drivetrain components.
While experts estimate the average EV battery will last around 200,000 miles, some manufacturers already promise much more than that.Īnd the news gets better: Tesla has their sights set on a million-mile battery, and claims that they are not far from achieving this goal. The average lifetime mileage of an ICE vehicle is about 133,000 miles. How Does EV Battery Longevity Compare to ICE Vehicles?īoth of the mandated warranty numbers (8 years, 100,000 miles) for EV batteries far exceed the average ICE vehicle drivetrain warranty of 5 years or 60,000 miles. Instead, you can save money by simply replacing dead cells. Finally, because lithium-ion batteries are made up of many individual cells, you rarely need to replace the entire battery as it degrades. And because newer batteries already have greatly increased in mileage range, as they degrade they will still maintain a longer mileage range than batteries from just a few years ago. Additionally, the improved technology reduces the degradation of batteries, meaning that over time the maximum potential stays closer to the new battery. So the question remains: How long can you expect your EV battery to last? Fortunately for consumers, the government mandates EV manufacturers to warranty batteries for 8 years or 100,000 miles, while California extends that warranty to 10 years or 150,000 miles.Īs EV battery packs become cheaper to manufacture, companies can create larger batteries with more energy potential, which in turn increases their mile-range. How Long Does an Electric Car Battery Last? That means your EV battery is most likely to experience temperature or calendar degradation.
Unlike the lithium-ion batteries found in a phone or laptop, EV batteries utilize complex battery management systems (BMS) that regulate how the batteries are charged and discharged to prolong their life. However, simply not using or charging your EV battery does not mean it will last forever: Calendar degradation is the battery losing life over time. As the battery goes through charge cycles - discharged while driving and charged back up while plugged in - it slowly loses maximum potential. Storage and operating temperatures have a huge impact on EV battery longevity in general, warmer climates negatively affect the lifespan of an EV battery. As lithium-ion batteries have decreased in cost by 97% over the last 30 years, experts believe that EVs will soon be as cheap to produce as ICE vehicles.ĮV batteries typically degrade due to temperature, cycles and time. A lithium-ion battery’s high energy density means it produces more power for its size, making it ideal for an electric car.īecause EVs are powered by the battery alone, they are far more simple and efficient than ICE vehicles. As electric cars and other electric vehicles (EVs) become more popular, many consumers hoping to make the switch want to know: How long does an EV battery last? While battery life span varies by manufacturer and age, in general you can expect new batteries to rival and often exceed the longevity of drivetrain components on internal combustion engine (ICE) Vehicles.Įlectric cars are powered by rechargeable lithium-ion batteries, which are more energy dense than the lead-acid batteries found in internal combustion engines or rechargeable nickel-cadmium batteries found in some hybrids.
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