How Long Do EV Batteries Last? – Review Geek


charging an electric vehicle
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Today the whole lot we do revolves round battery-powered units, and currently, that features automobiles. When it involves electrical vehicles and vehicles (EVs), if you happen to’re questioning, “How lengthy ought to an EV battery final?” it’s longer than you most likely assume.

Most electrical automobiles have giant Lithium-Ion battery packs that give energy to the motors as a substitute of gasoline, and these battery cells are constructed to final. Whereas a number of components have an effect on how lengthy EV batteries final, most producers assure them for a minimum of eight years.

Battery Degradation

EV car battery pack
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Electrical automobiles have significantly much less upkeep than conventional fuel automobiles, however all batteries degrade over time. After all, we’re all conversant in charging cycles on a smartphone and the way a three-year-old iPhone most likely doesn’t maintain a cost so long as it did the day you acquire it.

With out getting too technical, this is named battery degradation or the speed at which a battery degrades throughout its lifecycle. Many people have skilled some kind of battery degradation.

Each time you cost a smartphone to 100% after which let it discharge to zero counts as a cost cycle on the Lithium-ion battery. Over time, these charging cycles degrade the battery, and ultimately, even when it says 100% on the display, it’s nearer to 80%. Because of this, the entire capability will lower all through the product’s life.

The identical factor occurs to the Lithium-ion battery cells inside an EV. Consider it like your fuel tank getting smaller over time. As among the cells degrade and die, the usable measurement of the battery shrinks. Nevertheless, don’t let this fear you, as EV batteries are constructed to extraordinarily excessive requirements, degrade slowly, and can doubtless last more than you personal the automobile.

How Lengthy Do EV Batteries Final?

EV battery charging percentage
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Circling again to the unique query, how lengthy are you able to count on your EV battery to final? This depends upon your driving habits, charging habits or speeds, the temperature, the place you retailer or cost it, and extra.

Fortunately, specialists counsel that EV batteries will usually final wherever from 10-20 years. That’s considerably longer than most individuals personal a automobile and longer than your common gas-powered ICE (inside combustion) engine.

Extra importantly, auto producers assure it, too. Relying in your automobile’s make and mannequin, the battery doubtless comes with an eight-year guarantee. Your EV’s battery will nonetheless degrade over time, and that guarantee guarantees that your EV battery ought to nonetheless maintain a minimum of 70% capability after eight years. So sure, your “electrical tank” acquired a bit of smaller, but it surely’s nonetheless extremely succesful.

For instance, Tesla presents a guaranty on the battery and drive unit good for a minimum of eight years or 100,000 miles, and a few fashions lengthen to 150,000 miles. After that interval, Tesla guarantees that its batteries are nonetheless good for a minimum of 70% capability.

A number of federal rules require producers to guarantee batteries for eight years or 100,000 miles, so you may count on that kind of guarantee from Ford, Chevy, and lots of others. Most apply the identical “70% capability after eight years” score. And as we mentioned above, an EV battery will final that lengthy with out all the everyday upkeep, oil adjustments, and maintenance of conventional engines.

Lengthen Your EVs Battery Life

Tesla charging at a supercharger
Kittyfly/Shutterstock.com

Now that you already know your EV battery can doubtless final a minimum of 8-10 years, or probably even 20, you may relaxation simple shopping for a brand new electrical automobile. That mentioned, there are nonetheless some normal guidelines or upkeep suggestions that may assist lengthen the lifetime of your EV battery. These are all belongings you’ve doubtless heard relating to your smartphone or laptop computer battery, so it’s nothing too troublesome to handle.

When you’ve ever left a smartphone in a scorching or chilly automobile in a single day, you’ve most likely seen how a lot the temperature can influence the battery. The temperature can have an effect on the cells, charging velocity, and extra. So keep away from leaving your automobile in excessive temperatures on each side of the spectrum.

  • Decrease publicity to extraordinarily excessive (or low) temps whereas driving, storage, or charging.
  • Decrease the time spent at a 100% charged state
  • By no means let the battery go to zero
  • Keep away from utilizing fast-charging stations

Moreover, don’t go away your automobile plugged in in a single day, the place it’s always sitting at 100%. We’ve heard the identical tip on cellular units for years. Extra importantly, don’t let your EV battery go to zero and be utterly lifeless. Every time a battery goes to zero, some lithium-ion cells die, and the efficient cost capability could lower. That means you’ll get to that 70% margin on the guarantee quicker, decreasing your total driving vary and charging.

Quick-charging makes use of way more energy than a degree 1 or degree 2 charger, however all that energy comes with added warmth, and warmth is dangerous. And whereas automobiles have thermal administration methods in-built, it’s nonetheless a good suggestion to make use of fast-charging stations as little as potential.

It’s finest to recharge your EV within the night or when you may, slightly than let the battery drain to low ranges, then throw it on the charger in a single day. High-offs are higher for battery longevity than full 0-100% recharging cycles.

Can I Substitute My EV Battery?

Chevy Bolt EV

The subsequent logical query is whether or not or not you may change the battery in an EV. And the quick reply is sure, though you shouldn’t must for a minimum of a decade. In actual fact, Chevy is at present busy changing battery cells in hundreds of Bolt EV fashions because of a recall, and the method isn’t all that technical for auto mechanics.

Issues are a bit of totally different when shopping for a used Tesla, driving for a number of years, then realizing you’d profit from changing the battery inside. And whereas that’s utterly doable, and a few outlets specialize within the job, it’s fairly costly.

The battery is a replaceable part on electrical automobiles, similar to anything. Sadly, the battery packs themselves are costly and may price upwards of $10,000 or extra, to not point out paying a store to do the swap.

So whereas it’s doable, they’re tremendous costly, harmful to work on, and needs to be left to the professionals.


Electrical automobiles have far fewer shifting components and require much less upkeep than fuel vehicles, and the battery that powers the whole lot can simply final upwards of 10-20 years. These are only a few causes EVs are quickly rising in recognition.

Plus, the lifespan and longevity of EV batteries will undoubtedly enhance because the know-how advances. For instance, solid-state battery packs may provide elevated efficiency, quicker charging, and slower degradation. The stable electrode inside isn’t flammable just like the liquid gel electrolytes present in typical battery cells, making them safer.

Electrical automobiles are right here to remain, and the know-how will solely enhance shifting ahead.





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