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    ADAC to ARD report: Modern electric cars have no range problems in the heat

    Aug 24,2022 | Chloe Lacour

    The report was immediately discussed critically among fans of electric cars on the Internet: The performance of batteries in electric vehicles could drop by up to a third when the outside temperature rises above 35 degrees, the ARD program Tagesschau reported on its website on Monday. The air conditioning increases consumption by up to 15 percent, which significantly reduces the range of electric cars. According to the report, this information came from ADAC Südbaden. But on Tuesday it was described by the headquarters of the German car club as "misleading and misleading".

    15% less electric car range in hot weather?

    According to the information on the page, the Tagesschau article was published on Monday evening under the heading "Well cooled or large range?". The consequence of the battery problems at high temperatures is "increased deployments of the breakdown helpers", it says in the first paragraph of the text. However, it also states that combustion batteries also fail more frequently when it is hot, which is why this phenomenon does not only affect electric cars.

    But according to the article, there is also a summer problem, especially for electric cars, namely the range. "At high temperatures, this decreases somewhat," a spokesman for the ADAC is quoted as saying. Consumption increases by up to 15 percent when the air conditioning is activated, which significantly reduces the range of electric cars, the Tagesschau continues but no longer cites the spokesman named, but the ADAC Südbaden, who calculated it.

    Later in the text, the founder of the Alvah charging app has his say, explaining that the reduction in range due to air conditioning is only around 4 percent, which is “hardly relevant”. From the ZVEI as the association of the German electronics industry, only the cautious statement is quoted that lithium batteries (as found in modern electric cars for the drive) are generally more temperature-sensitive than lead batteries (for the 12-volt system). The article ends with the recommendation to keep an eye on the battery indicator in electric cars in summer and to drive as economically as possible.

    ADAC sees itself misleadingly quoted

    So the Tagesschau has not published a scandalous story about electric cars, but, for example, the statement quoted by ADAC Südbaden and Elvah about the loss of range in summer contradicts each other directly. In any case, the press office of the ADAC headquarters felt compelled to publish a correction to the report on Tuesday. It is correct that "modern electric cars withstand the heat," it says. The club previously said it had been quoted "in media reports" as making statements that were "misleading and misleading".

    Basically, cars of any drive would suffer from extreme heat, writes the ADAC. However, modern vehicles are designed for this, especially electric cars with cooling of the high-voltage battery and other drive components. This undoubtedly requires additional energy. The exact amount depends on many factors, but is usually between 0.5 and 1 kilowatt in summer; at the start of the journey or in extreme outside temperatures, it can be slightly higher. But unlike in winter, the range loss in summer is comparatively small and hardly noticeable in everyday life.


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