Why won’t my Outback battery hold a charge?

A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you may have been leaving your car doors ajar and the cabin light at night. Stop by for a free battery test at your local Firestone Complete Auto Care and learn more about your battery's charge.

What do you do with my old Outback battery?

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

How much do DieHard batteries cost for your Subaru Outback?

You can find affordable Outback 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 long do car batteries last?

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 substance accumulating on my Outback’s battery post?

A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your Outback car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.

How do I clean a corroded Outback battery terminal?

Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.

Where can I find a battery for my Outback?

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

Car Batteries for 2020 Subaru Outback

Get a New Subaru Battery

Get a Battery for Your Subaru Outback

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 2020 Subaru Outback today and schedule a quick installation at Firestone Complete Auto Care.

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The Right Battery Size for a 2020 Subaru Outback

Need more info about Subaru Outback batteries? Check the chart to find the right car battery size and cold cranking amps for your Outback.

Battery	Engine	Warranty		Cold Cranking Amps
H5-AGM	H4/2.4L	Replacement 36 months	Performance months	680
H5-AGM	H4/2.5L	Replacement 36 months	Performance months	680

BATTERIES
H4/2.4L - Battery: H5-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 680
H4/2.5L - Battery: H5-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 680

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Shopping for Subaru Outback Car Batteries

Sadly, your Subaru Outback won't last forever. Neither will its battery. The average car battery lasts three to five years. Don’t get stranded by your Outback’s car battery. Replace it regularly instead! Look out for symptoms of a faulty car battery. A lagging starter, an illuminated check engine light or battery signal, bloated battery case, corrosion-covered posts, or dim headlights can all be signs 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 needed, get your Subaru Outback a replacement battery. Car batteries are only one of our many strong suits. Our expert technicians understand Subaru service recommendations for Outback battery cold cranking amps and reserve capacity. Get help figuring out the battery size that fits your car perfectly, and schedule a fast car battery replacement at your earliest convenience.

Is There a DieHard Battery for Outbacks?

We know what’s best for your Subaru Outback, which is why we carry just that. Your vehicle 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 fuel the expanding power demands of new vehicles and their accessories. Don't call a DieHard battery ordinary. It's an extraordinary battery. Buy a DieHard battery for your Subaru Outback 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.

Making Your Outback’s New Battery Last

Did you recently have a new 2020 Subaru Outback car battery installed? Congrats! You can give your new battery a head start with proper care and attention. Help extend your car battery’s life by cutting back on unnecessary short trips, keeping your battery posts clean, and not playing the radio or using other electronics when the engine is turned off.

Commonly Asked Outback Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a battery question that's unique to your Subaru Outback battery, visit your nearest store. Our expert techs have the answers you need.

Why won’t my Outback battery hold a charge? A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you may have been leaving your car doors ajar and the cabin light at night. Stop by for a free battery test at your local Firestone Complete Auto Care and learn more about your battery's charge.
What do you do with my old Outback battery? We recycle it, taking care of both your car and the Earth.
How much do DieHard batteries cost for your Subaru Outback? You can find affordable Outback 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 long do car batteries last? 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 substance accumulating on my Outback’s battery post? A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your Outback car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.
How do I clean a corroded Outback battery terminal? Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.
Where can I find a battery for my Outback? Your local Firestone Complete Auto Care sells and installs Outback batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.