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Car Batteries

Car batteries, also known as automotive batteries and lead-acid batteries, are an integral part of your vehicle, as they're responsible for starting the engine. Specifically, the battery feeds the starter, which then activates the engine. Contrary to popular belief, the battery doesn't provide power for the car's electrical systems while the car is running; the alternator does that. But your battery can serve other purposes beyond starting the car. It can provide the extra power necessary when the alternator isn't enough, and it can work as a stabilizer by evening out voltage spikes, which can cause damage to your vehicle's systems. If you're having problems with your car starting, you should consider replacing the battery. At Walmart.com, you'll find an assortment of batteries to work with your vehicle.

You'll notice a lot of acronyms while shopping for batteries. AGM batteries ("absorbed glass mat") are more tolerant of deep discharges, but are more expensive. "CCA" stands for "cold cranking amperes" and refers to the amount of current a battery can provide at 0 degrees F. C20 capacity indicates how much energy the battery can deliver continuously for 20 hours at 80 degrees F without falling below 10.5 volts.

If you're concerned about having to install a car battery yourself and your local Walmart has an Auto Care Center, we can install your Walmart-purchased battery (parts not included). The Auto Care Center may also apply an anti-corrosion treatment to battery terminals and replace battery terminal ends. And if you have any lead-acid batteries that need disposal, you can bring them to Walmart and we'll recycle it for you.