Heat is a Proven Killer for Vehicle Batteries

The effects of summer heat can play havoc with vehicle batteries—evaporating fluids and accelerating corrosion—effectively decreasing performance and significantly increasing chances of premature death.

While cold weather is often blamed for the preponderance of battery failures, it is heat that is the main culprit, as statistics show more battery failures in July than January.

A typical hot summer day of 90 degrees, for example, can effectively push a car's under-the-hood temperatures soaring to 140 degrees or more.

Ever wonder why a battery "dies"? 

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