What's the Greatest Threat to Your Battery?

If you're feeling the summer heat, so is your car's battery. Contrary to popular belief, summer highs rather than winter lows pose the greater threat to battery life.

When most motorists think of dead batteries that cause starting failure, they think of severe winter weather, but summer heat is the real culprit. Many battery problems start long before the temperatures drop. Heat, more than cold, shortens battery life.

Sooner or later all batteries have to be replaced. Excessive heat and overcharging are the two main reasons for shortened battery life. Heat causes battery fluid to evaporate, thus damaging the internal structure of the battery. A malfunctioning component in the charging system, usually the voltage regulator, allows too high a charging rate, leading to slow death for a battery.

To get the most life out of a battery, we suggest the following simple steps:

  • Be sure the electrical system is charging at the correct rate; overcharging can damage a battery as quickly as undercharging.

  • Always replace a battery with one that's rated at least as high as the one originally specified.

  • Keep the top of the battery clean. Dirt becomes a conductor, which drains battery power. Further, as corrosion accumulates on battery terminals it becomes an insulator, inhibiting current flow.

Driving habits such as frequent engine on/off cycles will cause more wear on the starter than a simple back and forth to work. Other factors include driving and weather conditions, mileage, vehicle age and excessive electrical draws like in-vehicle entertainment systems. Check the battery if you notice headlights and interior lights dim, accessories that fail to operate, or the "check engine" and/or battery light illuminated.

If you have questions about your batter or need to schedule a service appointment, please give us a call at (877) 356-9697 or click here.

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