Why won't my XJS 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 nearest Firestone Complete Auto Care and learn more about your battery's charge.

What happens to my old XJS battery?

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

What’s the cost of DieHard batteries for Jaguar XJSs?

You can find affordable XJS 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?

A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.

Why is there white, crusty buildup on my XJS’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 XJS 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 XJS 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 purchase XJS batteries near me?

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

1985 Jaguar XJS Batteries

Get a New Jaguar Battery

Jaguar XJS Batteries Near You

Don’t let a dead battery stop you. Shop replacement car batteries for your 1985 Jaguar XJS at Firestone Complete Auto Care.

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Battery Size & Replacement for 1985 Jaguar XJS

Need more info about Jaguar XJS batteries? Use this chart to find the right battery size and CCAs for your Jaguar XJS.

Battery	Engine	Warranty		Cold Cranking Amps
26R-3	V12/5.3L	Replacement 24 months	Performance months	575

BATTERIES
V12/5.3L - Battery: 26R-3 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 575

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Shopping for Jaguar XJS Car Batteries

You can pretty much drive your Jaguar XJS until you don't want to anymore. But your XJS's battery? Don't count on it to last forever. Generally, car batteries last from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your Jaguar XJS stranded. Watch for signs that your current battery is getting too old or too weak. A lagging starter, an illuminated check engine light or battery signal, swollen battery case, corrosion-covered posts, and subpar electrical performance may all indicate that your battery is waving goodbye.

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 1985 Jaguar XJS. Car batteries are one of our many specialties! Our technicians are familiar with Jaguar-specific recommendations for XJS battery cold cranking amps and reserve capacity. Get help figuring out the battery size that fits your car perfectly, and schedule a weekday or weekend battery replacement service for your car.

Find the Right DieHard Battery for Your XJS

We only want what’s best for your Jaguar XJS, which is why we carry just that. You need a reliable, durable and powerful battery in extremely hot and cold environments. DieHard batteries go above and beyond using the latest innovative technology to fuel the increasing power demands of modern vehicles They're no ordinary battery, they're extraordinary. Go with a DieHard battery for your XJS and drive with confidence knowing that your battery will perform when you need it. That’s why you should choose batteries from Firestone Complete Auto Care.

Caring for a New Jaguar XJS Battery

Have you recently had a fresh battery installed in your Jaguar XJS? Great job! Give your new car battery the best start with proper care. You can take care of your battery by cutting back on unnecessary short trips, keeping the battery posts corrosion-free, and avoiding radio and electronic component use when the engine is off.

Answers to Your XJS Car Battery Questions

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

Why won't my XJS 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 nearest Firestone Complete Auto Care and learn more about your battery's charge.
What happens to my old XJS battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
What’s the cost of DieHard batteries for Jaguar XJSs? You can find affordable XJS 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? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
Why is there white, crusty buildup on my XJS’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 XJS 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 XJS 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 purchase XJS batteries near me? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install XJS batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.