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.
Suggested AutoZone Products
Signs of a Bad Battery
If your vehicle is having trouble starting or you suspect a battery issue, it’s important to learn the signs of a bad battery. Our article covers 7 ways to tell if your battery is dead.
Jump Starting Your Car
If your car’s battery has failed, a jump start can help temporarily revive it. However, it’s important to head to a repair shop or AutoZone for a permanent solution soon after. Our article walks you through the steps of jump starting your car.
Choosing the Right Battery
Selecting the right battery for your vehicle can be a daunting task, but it’s essential for optimal performance. Consider the power requirements, climate, and battery size when making your choice. Our articles cover how to choose the right Duralast car battery and the differences between Optima battery types.
Battery Life and Installation
The lifespan of a car battery can vary, depending on several factors. Learn more about how long car batteries last and how to maintain their life in our article. Installing a new battery is a relatively straightforward process, but should be done with care. Our articles on how to install a top-post battery and a side-post battery provide step-by-step instructions.
Get Help at AutoZone
If you need help with your automotive battery, visit your local AutoZone for expert advice and reliable parts. You can also order parts online at AutoZone.com for the right part at the right price.