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Everything you need to know about automotive batteries

Your automobile battery starts the vehicle, powers your electronics and accessories, and is essential to start your car or truck and keep it running. Most batteries last 3-4 years on average, although some do last longer. If you're having a problem, use the articles below to help identify the issue, select a replacement, and install your new battery.

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Finding the Battery problem

Got a problem with your battery? Look here for help. Get more help at an AutoZone.

Selecting a New automotive Battery

Selecting a battery is an important choice and can be daunting at first. An Autozoner or AutoZone.com can help you find the right battery size for your vehicle, but you'll also want to consider power demands and your climate to get the best battery. Here are some articles to help with your decision.

How to install your new battery in your car or truck

Ready to install a new battery? These videos can help.

Visit your local AutoZone for help and trustworthy advice, or order parts from AutoZone.com for the right part at the right price.

Advice, how-to guides, and car care information featured on AutoZone.com and AutoZone Advice & How-To’s are presented as helpful resources for general maintenance and automotive repairs from a general perspective only and should be used at your own risk. Information is accurate and true to the best of AutoZone’s knowledge, however, there may be omissions, errors or mistakes.

Be sure to consult your owner’s manual, a repair guide, an AutoZoner at a store near you, or a licensed, professional mechanic for vehicle-specific repair information. Refer to the service manual for specific diagnostic, repair and tool information for your particular vehicle. Always chock your wheels prior to lifting a vehicle. Always disconnect the negative battery cable before servicing an electrical application on the vehicle to protect its electrical circuits in the event that a wire is accidentally pierced or grounded. Use caution when working with automotive batteries. Sulfuric acid is caustic and can burn clothing and skin or cause blindness. Always wear gloves and safety glasses and other personal protection equipment, and work in a well-ventilated area. Should electrolyte get on your body or clothing, neutralize it immediately with a solution of baking soda and water. Do not wear ties or loose clothing when working on your vehicle.

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