Why doesn’t my 911 battery stay charged?

A car battery that needs to be jump-started every time is as good as dead. The battery may be too old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care to learn more about the state of your battery.

What do you do with my old 911 battery?

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

How much do DieHard batteries cost for your Porsche 911?

Get affordable prices on Porsche 911 batteries by using one of our limited-time battery deals. Plus, all DieHard car batteries come with a free replacement warranty and extra coverage with DieHard Assurance.

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 stuff around my 911’s battery post?

The white, crusty stuff that can accumulate around 911 car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.

What do I do about corrosion on my 911 car battery?

Regularly inspecting and cleaning your battery terminals will help keep your 911’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.

Who carries 911 batteries near me?

When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install 911 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.

1998 Porsche 911 Car Batteries

Get a New Porsche Battery

Get a Battery for Your Porsche 911

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 1998 Porsche 911 today and schedule a quick installation at Firestone Complete Auto Care.

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Battery Size & Replacement for 1998 Porsche 911

Need more info about Porsche 911 batteries? Use the following chart to find information on Porsche 911 battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
48H6	H6/3.6L	Replacement 36 months	Performance months	730
H6-AGM	H6/3.6L	Replacement 36 months	Performance months	760

BATTERIES
H6/3.6L - Battery: 48H6 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 730
H6/3.6L - Battery: H6-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 760

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Shopping for Porsche 911 Car Batteries

Your 911 doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. You want to replace your 1998 Porsche 911 battery before it fails and leaves you stranded. Watch for signs that your current battery is getting too old or too weak. A lagging starter, a blinking battery or check engine light, bloated battery case, corroded battery terminals, or faded headlights can all be signs that your battery is waving goodbye.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. Our equipment can see how much charge is left in your battery. Visit us for a complimentary battery check and, if needed, a replacement battery for your 1998 Porsche 911. Automotive batteries are just one of our many areas of expertise. Our expert technicians understand Porsche service recommendations for 911 battery cold cranking amps and reserve capacity. Get help identifying the type and size of battery that fits your car perfectly, and schedule a weekday or weekend battery replacement service for your car.

Find the Right DieHard Battery for Your 911

We know what’s best for your Porsche 911, which is why we only carry top-of-the-line replacement parts and batteries. Your 911 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 fuel the growing power needs of new vehicles. Don't call a DieHard battery ordinary. It's an extraordinary battery. Choose a DieHard battery for your Porsche 911 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.

Making Your 911’s New Battery Last

Did you recently have a new 1998 Porsche 911 car battery installed? Congrats! Now, help it last longer and stay charged by caring for it from the get-go. Help extend your car battery’s life by limiting short trips, keeping your battery posts clean, and not playing the radio or using other electronics when the engine is turned off.

Commonly Asked 911 Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a 911-specific battery question, stop by your nearest store. Our technicians have the answers.

Why doesn’t my 911 battery stay charged? A car battery that needs to be jump-started every time is as good as dead. The battery may be too old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care to learn more about the state of your battery.
What do you do with my old 911 battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
How much do DieHard batteries cost for your Porsche 911? Get affordable prices on Porsche 911 batteries by using one of our limited-time battery deals. Plus, all DieHard car batteries come with a free replacement warranty and extra coverage with DieHard Assurance.
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 stuff around my 911’s battery post? The white, crusty stuff that can accumulate around 911 car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.
What do I do about corrosion on my 911 car battery? Regularly inspecting and cleaning your battery terminals will help keep your 911’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.
Who carries 911 batteries near me? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install 911 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.