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Just like the batteries in our mobile phones, batteries in electric cars are fragile. They feel most comfortable at temperatures between 20 and 40 degrees. And batteries also prefer the gentle tour while charging. It’s best to always keep the capacity between 20 and 80 percent and charge as slowly as possible with a low charge capacity. On the other hand, if you grind an e-car battery, for example, through constant fast charging, the battery will noticeably lose its capacity and its maximum range will shrink over time.
An analysis by rapid battery testing provider Aviloo shows that after driving between 180,000 and 200,000 kilometers, EVs permanently connected to a fast charger show a further 17 percent decrease in so-called battery health (Health/SoH). E – Vehicles with the same mileage that are rarely or never connected to a fast charger. After just 80,000 to 100,000 kilometers of driving and frequent fast charging, the SoH decreases by about 7.5 percent more than with relatively slow charging electric car batteries.
Remaining range is not the same as battery capacity
These findings are especially important for the used car trade and rental industry. It is important to control the charging capacity in order to determine the residual values of electric vehicles. “After all, the battery usually makes up half the value of the car,” says an expert from the German company “Automobilwoche”. Problem: SoH has not been reliably determined so far. Because manufacturers like Subaru or Toyota keep “hidden” reserves, the remaining range displayed on an e-vehicle often says little about the actual condition of the battery. And because the electronics occasional market is still in its infancy, there is hardly any independent testing. Another challenge is that the testing procedures of providers like Aviloo, Dekra or Twaice are not the same. “The trend is similar, but there are differences in details,” explains one market watcher.
Immediate outages for ultra-fast charging
But meanwhile, efforts are being made to achieve uniform standards, and battery checks will soon be a part of everyday life. The market watcher suspects that since it also provides insight into the usage behavior of vehicles’ telematics data, rental companies may begin to charge deductions for super-fast charging when the vehicle is returned.
But he also knows that the battery is just one of many factors used to calculate the residual value of used electric cars. Recent discounts or short-term price cuts for new cars such as Tesla also have a negative impact on residual value. “If the price of new cars drops, customers expect corresponding discounts on used cars,” concludes the “Automobilwoche” expert.
Source: Blick
I’m Ella Sammie, author specializing in the Technology sector. I have been writing for 24 Instatnt News since 2020, and am passionate about staying up to date with the latest developments in this ever-changing industry.
