You're probably aware that your car's battery is more likely to die during a hot summer or a cold winter, but it turns out that there are some reasons for that. If a car battery is heated up too much in the summer, some of its electrolytes could actually evaporate. This can irreversibly lower the battery's lifespan unless the electrolyte is recharged. In fact, a battery's life may be cut in half for each increment of 15 degrees over the optimal operating temperature of 77 degrees Fahrenheit.
As for why batteries die in the winter, that…

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