AutoZone holds a clear lead for car battery shoppers seeking vehicle fitment tools and local store pickup. Advance Auto Parts provides an alternative focused on DieHard inventory and in-store testing services.
Yes. For a standard 12V car battery, these are good places to buy online:
Walmart car batteries — Large selection and often competitive prices; current listings include EverStart batteries around $117–$150 depending on group size.
AutoZone car batteries — Good vehicle-fitment search and Duralast options. Current listings start around $99.99, with a refundable core deposit on many batteries.
— Batteries start around $99.99, and Advance advertises free battery testing and installation with purchase.
Important: Don't buy based on price alone. The battery must match your car's year, make, model, engine, battery group size, and required CCA.
If you tell me your year, make, model, and engine (e.g., 2018 Ford F-150 5.0L), I can search for the cheapest compatible battery available online and compare the options.
You can easily buy a car battery online through major auto parts retailers, big-box stores, and specialty shops . Most of these sites allow you to input your vehicle's year, make, model, and engine size to ensure you get the exact right fit and group size.
Top options for buying a car battery online include:
O'Reilly Auto Parts : Offers online ordering with vehicle fitment lookups. View options via the O'Reilly Auto Parts Battery Section.
NAPA Auto Parts : Carries options like NAPA Legend batteries available for direct purchase. Explore choices on the NAPA Online Battery Store.
Walmart : Frequently offers competitive pricing on brands like EverStart with options for local store pickup or delivery where available.
Costco : If you are a member, you can check availability and purchase online or in-warehouse (note that Costco typically requires you to bring your old battery back for the core charge refund).
Tip: When buying online, remember that most retailers charge a core deposit (a fee for the old battery), which is refunded to you when you bring your old/dead battery back to them.
If you'd like, let me know your vehicle's year, make, and model , and I can help you find the right battery group size or specification you need.
Here are some top online retailers and auto parts chains where you can search for, purchase, or reserve car batteries online (usually with options for in-store pickup, curbside delivery, or local delivery due to the weight and hazardous nature of lead-acid batteries):
Advance Auto Parts – Allows you to input your vehicle's year, make, and model to find compatible batteries (like DieHard), with many locations offering free in-store pickup or battery testing/installation.
AutoZone – Features a robust online selector for Duralast batteries and supports online ordering with same-day in-store or curbside pickup options.
Absolutely! If you're looking for an online retailer that sells car batteries in the U.S., I'd start with a few established retailers that let you shop by vehicle, compare warranties, and in many cases order online for store pickup.
Best online retailers for car batteries
1. Walmart
(Best budget starting point)
Shop EverStart batteries and other options, compare prices, and check local pickup availability. Some Auto Care Centers also offer installation.
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Advance Auto Parts
A good choice if you want automotive-specific help, with brands such as DieHard and Optima. You can shop online and check options for store pickup and installation.
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3. AutoZone
Worth checking if you want a battery matched to your vehicle, along with battery testing and possible installation at a participating store.
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4. Amazon
Useful for comparing different brands and having a battery shipped to your home, subject to the specific battery's delivery eligibility. Installation generally needs to be arranged separately.
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5. CarBattery.com
Particularly convenient if you'd prefer a battery delivered and installed at your location. Service availability and pricing depend on your vehicle and area.
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These retailers offer different combinations of online selection, delivery, pickup, and installation. Comparing the total cost and warranty is worthwhile.
What I'd check before buying
Correct fit: Use the retailer's vehicle selector or check your owner's manual for the battery group size.
Battery type: Confirm whether your car needs a standard lead-acid or AGM battery.
Warranty: Compare the free-replacement period and how warranty claims are handled.
Total price: Check delivery fees, installation costs, and any refundable core charge for returning your old battery.
One quick question: Are you looking for a battery to be shipped directly to your home, or would you be happy ordering online and picking it up at a local store? I can narrow the recommendations down based on that.
