Why won't my WRX battery stay charged?

A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you may have been leaving your car doors ajar and the lights on overnight. Stop by for a complimentary battery check at your favorite Firestone Complete Auto Care and learn more about your battery's charge.

What happens to my old WRX battery?

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

How much do DieHard batteries cost for your Subaru WRX?

You can find affordable WRX 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 can I expect my car battery to 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 WRX’s battery post?

The white, flaky stuff that can build up around your WRX’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 WRX, 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 corrosion off my WRX vehicle battery?

Regularly inspecting and cleaning your battery terminals will help keep your WRX’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 find a battery for my WRX?

Your local Firestone Complete Auto Care sells and installs WRX 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 2022 Subaru WRX

Get a New Subaru Battery

Get a New Subaru WRX Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 2022 Subaru WRX at Firestone Complete Auto Care.

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2022 Subaru WRX Battery Replacement & Size

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

Battery	Engine	Warranty		Cold Cranking Amps
26R-3	H4/2.4L	Replacement 24 months	Performance months	575
35-2	H4/2.4L	Replacement 36 months	Performance months	640
35-AGM	H4/2.4L	Replacement 36 months	Performance months	650

BATTERIES
H4/2.4L - Battery: 26R-3 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 575
H4/2.4L - Battery: 35-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 640
H4/2.4L - Battery: 35-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 650

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Buy the Right Battery for Your Subaru WRX

Sadly, your Subaru WRX won't last forever. Neither will its battery. On average, auto batteries last anywhere from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your Subaru WRX stranded. Look out for symptoms of a faulty car battery. A slow engine crank, an illuminated battery or check engine light, swollen battery case, corroded battery posts, or dim headlights can all be signs that your battery is on its last leg.

Or, you can get a complimentary battery check at your nearest 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 2022 Subaru WRX. Car batteries are one of our many specialties! Our technicians are familiar with Subaru-specific recommendations for WRX battery cold cranking amps and reserve capacity. Get help figuring out the battery size that's best for your WRX, and schedule a weekday or weekend battery replacement service for your car.

Why Choose a DieHard Battery for Your WRX?

Your Subaru WRX deserves the best, which is why we only carry top-of-the-line replacement parts and batteries. Your WRX needs a reliable, durable and powerful battery in extremely hot and cold environments. DieHard batteries shatter expectations using the latest innovative technology to satisfy the expanding power demands of modern vehicles A DieHard battery isn't an ordinary car battery. It's extraordinary. Go with a DieHard battery for your WRX and have the peace of mind that performance will be there when you need it most. That's the kind of battery we deliver.

After Buying 2022 Subaru WRX Battery

Got a new car battery installed in your 2022 Subaru WRX? Good thinking! You can give your new battery a head start with proper care and attention. You can take care of your battery by decreasing the number of short trips you take, cleaning your battery posts, and avoiding radio and electronic component use when the engine is off.

Commonly Asked WRX Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a WRX-specific battery question, stop by your nearest store. Our expert techs have the answers you need.

Why won't my WRX battery stay charged? A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you may have been leaving your car doors ajar and the lights on overnight. Stop by for a complimentary battery check at your favorite Firestone Complete Auto Care and learn more about your battery's charge.
What happens to my old WRX battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
How much do DieHard batteries cost for your Subaru WRX? You can find affordable WRX 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 can I expect my car battery to 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 WRX’s battery post? The white, flaky stuff that can build up around your WRX’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 WRX, 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 corrosion off my WRX vehicle battery? Regularly inspecting and cleaning your battery terminals will help keep your WRX’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 find a battery for my WRX? Your local Firestone Complete Auto Care sells and installs WRX batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.