How Check A Battery On An EV For Health And Range

  • August 22, 2025
  • 3 min read

The Critical Importance of Battery Assessment in Electric Vehicle Purchases
As electric vehicles become more and more of the used car market percentage you want to remember that the evaluation of a used vehicle is much different for an electric vehicle if you’re buying a gasoline vehicle you can have somebody check out the engine transmission tires brakes but an electric vehicle there’s really one component that makes up 60 or 70 or 80% of the value transition of that vehicle of the possible maintenance of that vehicle that’s the battery the EV battery and that EV battery could be more than half the value the car and you want to make sure it’s in good shape so evaluating that battery becomes more important but how do you do it you know with an engine you can look to see if the oil is bad brakes you can look at the brake shoes for a transmission you can see if it’s shifting properly battery is a little bit different so how does that work.

Understanding Battery State of Health in Electric Vehicles
According to this Newsweek article when buying a used car there’s an additional thing to consider an electric Vehicles it’s called the battery state of health state of health changes over the course of its lifespan based on many factors the how often it’s charged if it’s fast charged if it’s driven in hot weather cold weather and during the battery’s lifespan it’s usable power storage capacity dwindles rate of loss is depend on many factors environment charging Behavior the biggest Factor among EV Shoppers is if the battery is good that’s the most important thing.

Professional Battery Testing Services and Their Applications
So how do you do it well there’s some Services out there you can see the link below for one of them they can check out electric vehicle batteries they can check them out for dealers inventory they can check them out for individual consumers they can check them out for repair shops and checking out that battery is something that you really want to have part of your evaluation process so if you’re a dealer you want to make sure your inventory is good so you can offer it to the public and not worry about the battery if you’re a potential consumer you want to make sure that battery is good before you buy a used EV checking out the battery is more important than really any other Factor on that electric vehicle.

Common Misconceptions About Battery Range Assessment
And one of the things that is a little bit of misinformation is if you check at the remaining range when the battery has been charged that’s not really a good measurement of it if you compare it to what was originally the case that might not be a good representation of the battery state of health it’s how often it was driven recently and it can vary quite a bit on how fast you drive it if even if you have a battery at 100% if you drive it a certain way it could deplete very very quickly so get a good evaluation testing of the battery state of health before you buy a vehicle even if you’re a dealer before you offer the vehicle for sale so you know that your consumer is buying a vehicle that they can count on that they’re not going to look back at you and say hey you sold me a lemon.

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