Why doesn’t my Forester 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 cabin light at night. Stop by for a complimentary 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 Forester battery?

We’ll recycle your car battery for you!

How much will replacing my Subaru Forester’s battery cost if I get a DieHard battery?

Subaru Forester 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 is a car battery good for?

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.

Why is there white, crusty buildup on my Forester’s battery post?

If you notice white, crusty stuff around the battery terminals of your Forester, 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 Forester’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I remove corrosion from my Forester car battery?

You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your Forester 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 find a battery for my Forester?

Your local Firestone Complete Auto Care sells and installs Forester batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.

2011 Subaru Forester Car Batteries

Get a New Subaru Battery

Subaru Forester Batteries Near You

Don’t let a dead battery stop you. Shop replacement car batteries for your 2011 Subaru Forester at Firestone Complete Auto Care.

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Battery Size & Replacement for 2011 Subaru Forester

Researching battery replacements for your Subaru Forester? Check the chart to find the right car battery size and cold cranking amps for your Forester.

Battery	Engine	Warranty		Cold Cranking Amps
26R-3	H4/2.5L	Replacement 24 months	Performance months	575
35-2	H4/2.5L	Replacement 36 months	Performance months	640
35-AGM	H4/2.5L	Replacement 36 months	Performance months	650

BATTERIES
H4/2.5L - Battery: 26R-3 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 575
H4/2.5L - Battery: 35-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 640
H4/2.5L - Battery: 35-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 650

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Shopping for Subaru Forester Car Batteries

You can pretty much drive your Subaru Forester until you don't want to anymore. But your Forester's battery? Don't count on it to last forever. The average car battery lasts three to five years. Don’t get stranded by your Forester’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A lagging starter, an illuminated battery or check engine light, swollen battery case, corroded battery posts, and subpar electrical performance may all indicate that your battery is on its last leg.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. 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 2011 Subaru Forester. Car batteries are one of our many specialties! Our technicians are familiar with Subaru-specific recommendations for Forester battery cold cranking amps and reserve capacity. Get help figuring out the battery size that fits your car perfectly, and schedule a weekday or weekend battery replacement service for your car.

Why Choose a DieHard Battery for Your Forester?

We know what’s best for your Subaru Forester, which is why we carry just that. Your vehicle needs a reliable, durable and powerful battery in extremely hot and cold environments. DieHard batteries go above and beyond using the latest innovative technology to meet the expanding power needs of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Go with a DieHard battery for your Forester and get behind the wheel with confidence. Why? Because your battery will perform when you need it. That’s why you should choose batteries from Firestone Complete Auto Care.

Caring for a New Subaru Forester Battery

Have you recently had a fresh battery installed in your Subaru Forester? 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, limiting short trips, keeping the battery posts corrosion-free, and not using electronics such as the radio and power outlets when the engine is off.

Commonly Asked Forester Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a Forester-specific battery question, pay us a visit. Our expert techs have the answers you need.

Why doesn’t my Forester 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 cabin light at night. Stop by for a complimentary 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 Forester battery? We’ll recycle your car battery for you!
How much will replacing my Subaru Forester’s battery cost if I get a DieHard battery? Subaru Forester 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 is a car battery good for? 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.
Why is there white, crusty buildup on my Forester’s battery post? If you notice white, crusty stuff around the battery terminals of your Forester, 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 Forester’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I remove corrosion from my Forester car battery? You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your Forester 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 find a battery for my Forester? Your local Firestone Complete Auto Care sells and installs Forester batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.