Why won't my CX-9 battery stay charged?

A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you may have a habit of leaving your car doors open and the lights on overnight. Stop in for a free battery check at your favorite Firestone Complete Auto Care to learn more about the state of your battery.

What do you do with my dead CX-9 battery?

We recycle it, taking care of both your car and the Earth.

How much do DieHard batteries cost for your Mazda CX-9?

You can find affordable CX-9 batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.

How often should I replace my car battery?

You can usually get three to five years out of your car battery. However, battery type, how well you maintain your battery, and your driving habits can all affect your battery’s lifespan.

What is the white, crusty stuff around my CX-9’s battery post?

The white, flaky stuff that can build up around your CX-9’s battery terminals is known as corrosion. Acid leaking from your vehicle’s battery post can have a chemical reaction with the air, leading to an accumulation of the white, powdery substance over time. Corrosion can affect the flow of electricity between your battery and the electrical system in your CX-9, possibly causing issues with electrical performance and starting. If left unaddressed for long enough, it may even cause your battery to prematurely fail.

How do I clean a corroded CX-9 battery terminal?

You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your CX-9 owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.

Where can I purchase CX-9 batteries near me?

When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install CX-9 batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.

2020 Mazda CX-9 Car Batteries

Get a New Mazda Battery

Get a New Mazda CX-9 Battery

Don't let a failing battery slow you down. Shop replacement batteries for 2020 Mazda CX-9s today and schedule a quick installation at Firestone Complete Auto Care.

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The Right Battery Size for a 2020 Mazda CX-9

Researching battery replacements for your Mazda CX-9? Use the following chart to find information on Mazda CX-9 battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
26R-3	L4/2.5L	Replacement 24 months	Performance months	575
35-2	L4/2.5L	Replacement 36 months	Performance months	640
35-AGM	L4/2.5L	Replacement 36 months	Performance months	650

BATTERIES
L4/2.5L - Battery: 26R-3 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 575
L4/2.5L - Battery: 35-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 640
L4/2.5L - Battery: 35-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 650

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Buying a Replacement Battery for Mazda CX-9

You can pretty much drive your Mazda CX-9 until you don't want to anymore. But your CX-9's battery? Don't count on it to last forever. Generally, car batteries last from three to five years. Don’t get stranded by your CX-9’s car battery. Replace it regularly instead! Watch for signs that your current battery is getting too old or too weak. A sluggish engine start, an illuminated battery or check engine light, bloated battery case, corroded battery terminals, or faded headlights can all be signs that your battery needs attention.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With best-in-class tools we can tell you how much "life" is left in your battery. Visit us for a complimentary battery check and, if needed, a replacement battery for your 2020 Mazda CX-9. Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Mazda’s service specs for CX-9 car batteries’ reserve capacities and cold cranking amps. Get help choosing the battery size that fits your car perfectly, and schedule a fast car battery replacement at your earliest convenience.

Find the Right DieHard Battery for Your CX-9

We only want what’s best for your Mazda CX-9, which is why we exclusively carry the best. Your vehicle needs a reliable, durable and powerful battery in even the most extreme conditions. DieHard CX-9 batteries surpass expectations using state-of-the-art advancements to meet the growing power needs of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Buy a DieHard battery for your Mazda CX-9 and get behind the wheel with confidence. Why? Because performance will be there when you're counting on it. That's the kind of battery we deliver.

Caring for a New Mazda CX-9 Battery

Got a new car battery installed in your 2020 Mazda CX-9? Great job! Now, help it last longer and stay charged by caring for it from the get-go. Give your new battery a hand by 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 CX-9 Car Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a battery question that's unique to your Mazda CX-9 battery, pay us a visit. Our technicians have the answers.

Why won't my CX-9 battery stay charged? A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you may have a habit of leaving your car doors open and the lights on overnight. Stop in for a free battery check at your favorite Firestone Complete Auto Care to learn more about the state of your battery.
What do you do with my dead CX-9 battery? We recycle it, taking care of both your car and the Earth.
How much do DieHard batteries cost for your Mazda CX-9? You can find affordable CX-9 batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.
How often should I replace my car battery? You can usually get three to five years out of your car battery. However, battery type, how well you maintain your battery, and your driving habits can all affect your battery’s lifespan.
What is the white, crusty stuff around my CX-9’s battery post? The white, flaky stuff that can build up around your CX-9’s battery terminals is known as corrosion. Acid leaking from your vehicle’s battery post can have a chemical reaction with the air, leading to an accumulation of the white, powdery substance over time. Corrosion can affect the flow of electricity between your battery and the electrical system in your CX-9, possibly causing issues with electrical performance and starting. If left unaddressed for long enough, it may even cause your battery to prematurely fail.
How do I clean a corroded CX-9 battery terminal? You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your CX-9 owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.
Where can I purchase CX-9 batteries near me? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install CX-9 batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.