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Thursday, July 24, 2014
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Blog Car Battery Basics: Need a Car Battery Replacement?

Car Battery Basics: Need a Car Battery Replacement?

It is common knowledge that all vehicles require at least one car battery to support its electrical systems.  If you neglect it, you will not have a dependable vehicle.  It is also common knowledge that if you keep your vehicle long enough, at some point in time you will need a car battery replacement.

Here are some basics:

Basic Health – In order to prevent a premature car battery replacement, check terminals and cables.  Loose or dirty cables are a common “no start” condition. Cable ends and terminals should be cleaned with a wire brush and light sand paper periodically to remove any corrosion build up.   Spray coatings for terminals are helpful in reducing the formation of corrosion.  

Load – This is how much of a “load” or drain can be placed on the electrical system before the stored electricity begins to discharge itself and needs to be recharged. It is not uncommon for batteries to go completely "flat" without ever giving a warning signal.

Check-Ups - A weak battery that is not storing enough power will cause the alternator to work harder and possibly cause premature alternator failure.  Dirty or corroded terminals can severely reduce the lifespan of the car battery and alternator. Have your auto mechanic check the load levels at every oil change interval if the car battery is over 2 years old.  This will ensure that you will not be stranded unexpectedly and will help prevent an unnecessary and inconvenient car battery replacement.

Replacement - If a car battery replacement is necessary, the new one should be the same size, have the same cable connections, and should be the same electrical capacity as the original.  Your mechanic can help you identify and install the proper car battery for your vehicle.

Need a quality car battery service or replacement?  Contact our ASE Certified Technicians at Excel Auto & Tire Service.  We will be happy to help you with any of your vehicle maintenance problems.  Check our website at for the location closest to you.  Our 2 auto shops in the Twin Cities area are conveniently located in Eagan, MN and Spring Lake Park, MN.

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