How Long Do EV Car Batteries Last?

2020 GMC Hummer EV in a forest

Are you thinking about buying or leasing an electric car such as the GMC Hummer EV, like a lot of Brooksville drivers have done, but you’re concerned about things like the average electric car battery life expectancy? How long do EV car batteries last on Inverness streets? All manufacturers of electric vehicles in the U.S. are required to warranty the battery for at least 8 years or 100,000 miles, whichever comes first. Is that the longest you can expect a battery to last? Let’s take a closer look.

How Long Do EV Car Batteries Last on Average?

So, how long do EV car batteries last, usually? Some experts say that these batteries often outlast their warranties and continue to function for 10 to 20 years or around 120,000 to 150,000 miles. Some drivers have reported going over 200,000 miles on one battery, but this is the exception. So, a Spring Hill driver who buys a new EV would typically trade the car in before the battery would ever need to be replaced.

Why Electric Car Battery Life Expectancy Matters

The electric battery is typically the most expensive thing that would ever have to be replaced or repaired on an electric vehicle. That’s why it’s important for a battery to last as long as possible. There are factors that can impact the longevity of a battery and cause it to fall short of the average electric car battery life expectancy. If you notice anything amiss, such as a warning light on your dashboard, be sure to schedule an appointment for service right away.

Things That May Shorten an Electric Car Battery Life

  • Poor electrical connections between cells or battery modules
  • Auto manufacturing defects in battery cells
  • Extreme high or low battery temperatures
  • Manufacturing differences between cells
  • Mechanical damage to the battery during routine maintenance or service
  • Improper serving procedures
  • Imbalances between battery cells or battery modules
  • Abnormally high or low rates of charging

How to Maximize the Lifespan of Your Electric Car Battery

While batteries usually last for years, there are things you can do to make them last even longer. Here are some things you can do to optimize your electric car battery life:

  • Don’t charge the batteries every night
  • Try to keep the battery levels between 20%-80%.
  • Keep the car out of extreme heat as much as possible.
  • Don’t use DC fast charging for every charge. Change it up with slower methods from time to time.
  • Don’t exceed the speed limit and keep the car at a constant speed.

Schedule EV Battery Service in Brooksville

If you need your electric vehicle serviced, schedule an appointment with our service center. And, if you found this guide to be helpful, check out our other service and parts tips. We’re just a short drive away from Hernando Beach. So, drop by or contact us today.


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