Thursday , July 29 2021

The use of HVAC with cold effects is autonomous

Electric vehicles have many advantages, but there are also some disadvantages. Did you know that with a cold battery you lose capacity? It's true! This is happening in most electronic equipment and the problem is also in electric vehicles.

The United States Automobile Association (AAA) recently conducted a study that examined the impact on five-vehicle batteries. Get to know the results.

According to the AAA test, when the temperature drops to 20 degrees Fahrenheit (approximately -6.7 degrees Celsius) and the driver uses the HAVAC system to heat the inside of the vehicle, it loses an average of 41 percent of the area.

Cold is not the only factor that can affect battery life. The AAA investigation also found out when outdoor temperatures are heated up to 35 ° C and the air conditioner is used in the vehicle, while autonomy is reduced by approximately 17%.

The BMW i3s, the Chevrolet Bolt, the Nissan Leaf, the Tesla Model S 75D and the Volkswagen e-Golf were the five electric cars that AAA chose to assess the behavior of the battery in cold and heat.

As we can see, BMW i3s loses approximately 50% of autonomy in cold (AVAC ON) and 21% in heat (AVAC ON). Identical results were recorded for. T Chevrolet Bolt with 46% loss in cold (AVAC ON) and 19% with heat (AVAC ON).

In the Nissan Leaf case, it was the one that achieved better results with a loss of autonomy of 31% and 12% to -6.7ºC or 35ºC. The Tesla Model S 75D saw a loss of 38% and 16%, while Volkswagen e-Golf was 37% and 18% to -6.7 ° C and 35 ° C.


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