Why won't my A4 battery stay charged?

A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. Stop by for a complimentary battery check at your favorite Firestone Complete Auto Care and get a handle on your car battery’s health.

What do you do with my old A4 battery?

We recycle it! Nearly 100% of all lead-acid batteries are recyclable.

What’s the cost of DieHard batteries for Audi A4s?

Audi A4 batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.

How long can I expect my car battery to last?

A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.

Why is there white, flaky stuff around my A4’s battery post?

If you notice white, crusty stuff around the battery terminals of your A4, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your A4’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I clean a corroded A4 battery terminal?

Regularly inspecting and cleaning your battery terminals will help keep your A4’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.

Where can I purchase A4 batteries near me?

At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install A4 batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.

Car Batteries for 2009 Audi A4

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Get a New Audi A4 Battery

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 2009 Audi A4 today and schedule a quick installation at Firestone Complete Auto Care.

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2009 Audi A4 Battery Replacement & Size

Researching battery replacements for your Audi A4? Use the following chart to find information on Audi A4 battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
	L4/1.8L	Replacement months	Performance months
	L4/2.0L	Replacement months	Performance months

BATTERIES
L4/1.8L - Battery: - Warranty: Replacement months, Performance months - Cold Cranking Amps:
L4/2.0L - Battery: - Warranty: Replacement months, Performance months - Cold Cranking Amps:

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Buying a Replacement Battery for Audi A4

Your A4 doesn't have an expiration date, but its battery does. The average car battery lasts three to five years. Don’t get stranded by your A4’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A slow engine crank, a blinking battery or check engine light, bloated battery case, corroded battery posts, or dim headlights may all indicate that your battery needs attention.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. Our equipment can see how much charge is left in your battery. Drop in for a free battery check and, if necessary, a battery replacement to help keep your 2009 Audi A4 running! Car batteries are only one of our many strong suits. Our technicians are familiar with Audi-specific recommendations for A4 car batteries’ reserve capacities and cold cranking amps. Get help figuring out the battery size that's best for your A4, and schedule a fast car battery replacement at your earliest convenience.

Is There a DieHard Battery for A4s?

Your Audi A4 deserves the best, which is why we carry just that. Your A4 needs a reliable, durable and powerful battery in even the most extreme conditions. DieHard batteries go above and beyond using the latest innovative technology to meet the growing power needs of new vehicles and their accessories. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your Audi A4 and drive with confidence knowing that your battery will perform when you need it. That's the kind of battery we deliver.

Making Your A4’s New Battery Last

Got a new car battery installed in your 2009 Audi A4? Congrats! Now, help it last longer and stay charged by caring for it from the get-go. turning off all of the lights when you leave your vehicle, decreasing the number of short trips you take, cleaning your battery posts, and not using electronics such as the radio and power outlets when the engine is off.

Answers to Your A4 Car Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have battery questions that are Audi A4-specific, pay us a visit. Our expert techs have the answers you need.

Why won't my A4 battery stay charged? A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. Stop by for a complimentary battery check at your favorite Firestone Complete Auto Care and get a handle on your car battery’s health.
What do you do with my old A4 battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
What’s the cost of DieHard batteries for Audi A4s? Audi A4 batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.
How long can I expect my car battery to last? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
Why is there white, flaky stuff around my A4’s battery post? If you notice white, crusty stuff around the battery terminals of your A4, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your A4’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I clean a corroded A4 battery terminal? Regularly inspecting and cleaning your battery terminals will help keep your A4’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.
Where can I purchase A4 batteries near me? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install A4 batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.