Everything you need to know about automotive batteries

Battery

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.

Order parts quickly and easily on AutoZone.com

Finding the Battery problem

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

Man showing how to connect jumper cables to the the posts of a car battery.

What to Do When Your Battery Doesn't Work

Learn how to check and change your battery in a few simple steps.

Everything You Need to Know About Automotive Batteries

How to Tell if a Car Battery is Dead

Starting trouble? Diagnosing the starting system can be difficult. That's why we rounded up 7 ways to tell if your battery is dead.

A woman with jumper cables preparing to show how to jump start the battery in her jeep wrangler with a Chevy van

How to Jump Start a Car Battery

A jump start will help bring your car back to life for a short time during a battery failure. After a jump, head straight to AutoZone or a repair shop for a more permanent repair.

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.

All three tiers of Duralast batteries sitting on top of the edge of a road in the desert.

Which Duralast Battery is Right for Your Vehicle?

What makes the batteries different? Warranty length, amount of lead plates, power for your vehicle, and expected battery life. Learn about the different battery options at AutoZone.

Are Optima Batteries Worth It?

Optima batteries, with unique Spiralcell and Pureflow technologies, are super vibration-resistant, maintenance free batteries that cannot be spilled.

AutoZone store associate explaining the factors that affect battery life to a customer

How Long Should a Car Battery Last?

The question is more complicated than it seems. Check out our break down of the factors that affect battery life.

How to install your new battery in your car or truck

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

How to Install a Top-Post Car Battery

Installing a battery is a relatively simple job, but needs to be done carefully. Here's how to install most top-post car batteries.

orange gloves showing how to install new battery and clamp to side post battery

How to Change a Side-Post Battery

Learn how to install a side post car battery from AutoZone. We have everything you need to get your car starting up the way you're used to.

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

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