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Cold Climate’s Toll on EV Batteries: Understanding the Mechanics of Faster Drainage

Following a story that claims it established a covert team to stifle consumer complaints about the range of its electric vehicles, Tesla is under criticism.

According to Reuters, the EV manufacturer set up a “diversion team” last summer with the goal of rescheduling as many appointments as possible that had to do with range.

According to the study, Tesla got thousands of complaints from consumers who were dissatisfied with the ranges of their EVs. One complaint specifically claimed that the car was adversely affected by cold weather, a charge that the firm has previously faced.

South Korean officials imposed a $2 million fine on the manufacturer earlier this year after accusing it of inflating the range of its vehicles throughout the winter.

According to the Korea Fair Trade Commission, a typical Tesla’s battery performance decreased by about 50% in the cold.

Yet, Tesla is not the only EV manufacturer to experience range issues in cold climates.

According to a study by Recurrent, battery performance in various models could decrease by anywhere from 3% and 32% in subfreezing circumstances compared to 70-degree weather. The study examined the estimated and verified winter ranges of hundreds of EVs.

Battery expert and director of the Argonne Collaboration Center for Energy Storage Science Venkat Srinivasan explained to Insider’s Tim Levin that drivers heating their cabins was the main cause of batteries draining more quickly in the cold.

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Cold Weather Affects Electric Car Batteries and Charging

cold-climate-toll-on-ev-batteries-understanding-mechanics-of-faster-drainage
Following a story that claims it established a covert team to stifle consumer complaints about the range of its electric vehicles, Tesla is under criticism.

Gas automobiles use the heat from their engines to warm the occupants, while electric cars just use their batteries. According to Recurrent, cooler temperatures also slow down the physical and chemical processes that enable batteries to function.

According to Anna Stefanopoulou, the director of the University of Michigan’s Energy Center, batteries prefer temperatures between 60 and 80 degrees Fahrenheit and are “like humans.”

EV batteries might take up to three times longer to charge in colder climates, according to the Idaho National Laboratory.

In order for electric vehicles to operate in below-freezing temperatures, Stefanopoulou advised Wired that they should attempt to maintain a 20% charge at all times.

Domenick Nati, a Tesla owner and radio host, admitted to Insider in December that he attempted to charge his car at a Tesla Supercharger in 19-degree cold.

He claimed that after 15 hours, his car had only gone 19 miles and that he had to postpone his Christmas plans because of this.

There are a few ways for owners of electric cars to extend the battery life of their vehicles during cold weather. The British auto marketplace Autotrader advises switching the vehicle to eco-mode, which, when installed, helps to shift electricity away from things like speakers and toward where it is most needed.

Also, it advises owners to park their EVs under cover to keep them warmer. It also says that they are more likely to keep their charge the warmer they are.

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Source: Business Insider

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