Why doesn’t my S40 battery stay charged?

A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you may have been leaving your car doors ajar and the dome lights on during the night. Stop by for a free battery test at your nearest Firestone Complete Auto Care and learn more about your battery's charge.

What happens to my old S40 battery?

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

How much do DieHard batteries cost for your Volvo S40?

Volvo S40 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.

What is the average lifespan of a 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 S40’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 S40 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.

What do I do about corrosion on my S40 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 S40 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.

Who sells S40 batteries near me?

At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install S40 batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.

2008 Volvo S40 Batteries

Get a New Volvo Battery

Get a Battery for Your Volvo S40

Don't let a failing battery slow you down. Shop replacement batteries for 2008 Volvo S40s today and schedule a quick installation at Firestone Complete Auto Care.

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2008 Volvo S40 Battery Replacement & Size

Researching battery replacements for your Volvo S40? Use the following chart to find information on Volvo S40 battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
94RH7	L5/2.5L	Replacement 36 months	Performance months	800
H7-AGM	L5/2.5L	Replacement 36 months	Performance months	850
94RH7	L5/2.4L	Replacement 36 months	Performance months	800
H7-AGM	L5/2.4L	Replacement 36 months	Performance months	850

BATTERIES
L5/2.5L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
L5/2.5L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
L5/2.4L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
L5/2.4L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850

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Shopping for Volvo S40 Car Batteries

Sadly, your Volvo S40 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 Volvo S40 stranded. Look out for symptoms of a faulty car battery. A sluggish engine start, an illuminated check engine light or battery signal, bloated battery case, corroded battery terminals, or dim headlights can all signal that your battery is waving goodbye.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. With computerized testing we can see how much charge is left in your battery. Drop in for a free battery check and, if needed, get your Volvo S40 a replacement battery. Automotive batteries are just one of our many areas of expertise. Our expert technicians understand Volvo service recommendations for S40 battery cold cranking amps and reserve capacity. Get help figuring out the battery size that matches your vehicle, and schedule a fast car battery replacement at your earliest convenience.

Is There a DieHard Battery for S40s?

We know what’s best for your Volvo S40, which is why we exclusively carry the best. Your vehicle needs a reliable, durable and powerful battery in even some of the toughest conditions. DieHard batteries go above and beyond and house the latest technology to meet the growing power demands of new vehicles and their accessories. A DieHard battery isn't an ordinary car battery. It's extraordinary. Choose a DieHard battery for your Volvo S40 and have the peace of mind that performance will be there when you're counting on it. That’s why you should choose batteries from Firestone Complete Auto Care.

Caring for a New Volvo S40 Battery

Did you recently have a new 2008 Volvo S40 car battery installed? Great job! Give your new car battery the best start with proper care. turning off all of the lights when you leave your vehicle, limiting short trips, keeping your battery posts clean, and not using electronics such as the radio and power outlets when the engine is off.