Why doesn’t my 928 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’ve been leaving the doors slightly open and the dome lights on during the night. Stop by for a free battery test at your local Firestone Complete Auto Care and get a handle on your car battery’s health.

What happens to my old 928 battery?

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

How much will replacing my Porsche 928’s battery cost if I get a DieHard battery?

You can find affordable 928 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.

What is the average lifespan of a car battery?

The typical 12-volt car battery may last three to five years, depending on the type of battery, the driving conditions, and how well the battery is maintained.

Why is there white, flaky stuff around my 928’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 928 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 remove corrosion from my 928 car battery?

To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your 928 owner’s manual for instructions on how to do so.

Where can I purchase 928 batteries near me?

Your local Firestone Complete Auto Care sells and installs 928 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 1993 Porsche 928

Get a New Porsche Battery

Get a New Porsche 928 Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 1993 Porsche 928 at Firestone Complete Auto Care.

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1993 Porsche 928 Battery Replacement & Size

Not sure what battery to get for your Porsche 928? Use this chart to find the right battery size and CCAs for your Porsche 928.

Battery	Engine	Warranty		Cold Cranking Amps
48H6	V8/5.4L	Replacement 36 months	Performance months	730
H6-AGM	V8/5.4L	Replacement 36 months	Performance months	760

BATTERIES
V8/5.4L - Battery: 48H6 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 730
V8/5.4L - Battery: H6-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 760

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Buying a Replacement Battery for Porsche 928

Sadly, your Porsche 928 won't last forever. Neither will its battery. Generally, car batteries last from three to five years. Don’t get stranded by your 928’s car battery. Replace it regularly instead! Watch for signs that your current battery is getting too old or too weak. A sluggish engine start, a blinking battery or check engine light, bloated battery case, corroded battery terminals, and subpar electrical performance can all signal that your battery needs attention.

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 necessary, a battery replacement to help keep your 1993 Porsche 928 running! Automotive batteries are just one of our many areas of expertise. Our technicians are familiar with Porsche-specific recommendations for 928 battery CCAs and reserve capacity. Get help figuring out the battery size that matches your vehicle, and schedule a weekday or weekend battery replacement service for your car.

Is There a DieHard Battery for 928s?

We know what’s best for your Porsche 928, which is why we carry just that. Your vehicle needs a reliable, durable and powerful battery in even some of the toughest conditions. DieHard 928 batteries surpass expectations using state-of-the-art advancements to satisfy the increasing power requirements of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Choose a DieHard battery for your Porsche 928 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 Porsche 928 Battery

Did you recently have a new 1993 Porsche 928 car battery installed? Congrats! You can give your new battery a head start with proper care and attention. flipping the dome lights and headlights off when exiting the car, cutting back on unnecessary short trips, cleaning your battery posts, and not using electronics such as the radio and power outlets when the engine is off.