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What size car batteries do you get?


Choosing the right car battery size is crucial for ensuring your vehicle runs smoothly and reliably. At Kevin's Autos, we’ve been helping customers with their car maintenance and repair needs for years, and one of the most common questions we get is about selecting the correct battery size. In this article, we’ll break down everything you need to know about car battery sizes and how to choose the right one for your vehicle.


Understanding Car Battery Sizes


Car batteries come in various sizes, which are categorized by group numbers. These group numbers are standardized by the Battery Council International (BCI) and indicate the battery's physical dimensions, terminal locations, and type. The right size for your car depends on the make, model, and year of your vehicle.


How to Determine the Right Battery Size


Here are some steps to help you identify the correct battery size for your car:



  • Check Your Owner’s Manual: The easiest way to find the correct battery size is to consult your vehicle’s owner’s manual. It will specify the group size and other requirements for your car.

  • Look at the Existing Battery: If you don’t have the manual handy, check the label on your current battery. It should display the group size, voltage, and other specifications.

  • Consult a Professional: If you’re still unsure, visit a trusted auto repair shop like Kevin’s Autos. We can help you identify the right battery size and install it for you.


Common Car Battery Group Sizes


Here are some of the most common car battery group sizes and the types of vehicles they are typically used for:



  • Group 24/24F: Commonly used in midsize and compact cars.

  • Group 35: Found in many Japanese vehicles, such as Honda, Nissan, and Toyota models.

  • Group 48 (H6): Often used in European cars like Audi, BMW, and Mercedes-Benz.

  • Group 65: Typically used in larger vehicles, including trucks and SUVs.


Why Choosing the Right Battery Size Matters


Using the correct battery size is essential for several reasons:



  • Proper Fit: A battery that’s too large or too small may not fit securely in the battery tray, leading to potential damage or safety hazards.

  • Optimal Performance: The right battery ensures your car’s electrical system operates efficiently, providing reliable starts and powering accessories like lights and radios.

  • Longevity: A properly sized battery is less likely to experience premature wear and tear, saving you money in the long run.


Need Help? Visit Kevin’s Autos!


If you’re unsure about which battery size to choose or need assistance with installation, Kevin’s Autos is here to help. With years of experience in car maintenance and repair, we can guide you through the process and ensure your vehicle is equipped with the right battery for optimal performance. Stop by our shop or give us a call today!


Frequently Asked Questions

How do I know my car battery size?


Where to Find Your Car's Battery Group Size. Your vehicle's owner's manual typically provides the battery group size. If that information isn't listed there, ask your local dealership's service department or a parts store.



What size is a standard car battery?


In general, these more-common battery group sizes are 24, 24F, 25, 34, 35, 51, 51R, 52, 58, 58R, 59, and 65. Helpful Hint: Some vehicles can handle a larger battery than was originally installed. A physically larger battery usually has more power and reserve time than a smaller battery.



Does AutoZone install batteries?


Looking for a battery? Put in your vehicle on AutoZone.com to order a battery for pick up, or stop by your local AutoZone to get help with selecting and installation your new battery. If the job is too big for you, seek out one of our Preferred Shops to help you do the job.



Is it OK to put a bigger battery in your car?


But if they face power challenges like low voltage supply, it can reduce their processing speeds, leading to high fuel consumption, high smoke production, and ultimately computer malfunctioning. On the other hand, if you use a larger capacity battery, you risk damaging the computer or fuse panel.



Can I put the wrong size battery in my car?


The first obvious disadvantage in using an under-sized battery is the possibility of ignition problems. If your engine demands more power than the battery can supply, your car could be immobilised before you've even started.



What is the most common battery size?


AA batteries
Also known as “double A”, AA batteries are by far the most popular battery size.



Where can I find the size of my car battery?


While you could grab a ruler and attempt to measure the exact width and height of your current car battery, pop the hood and simply look for "Group Size" printed on the label of the battery or check your owner's manual.



Does it matter what size battery I put in my car?


Group size is typically based on your vehicle's make, model, and engine type. Although some vehicles may accommodate a battery from more than one group size, it is important that you use a battery approved for use in your vehicle. Consult a replacement guide to find the battery group size that works for your vehicle.



Does AutoZone give you money for old batteries?


When you're purchasing a new battery, bring in the old one at the time of purchase or afterward to have your core charge returned to you. Or if you have an old battery laying around to get rid of, bring it into any AutoZone location and receive a gift card valued at $10.



Are 51 and 51R the same battery?


The difference between Group 51 and 51R batteries lies in the orientation of the battery posts. Group 51 batteries have left-side posts, while Group 51R batteries have right-side posts. It is important to ensure the correct orientation for compatibility with specific vehicle models.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.