Why won't my J20 battery stay charged?

A battery that won't hold a charge is almost as good as dead. The battery may be too old. Or, you may have a habit of leaving your car doors open and the lights on overnight. Stop in for a free battery check at your local Firestone Complete Auto Care and learn more about your battery's charge.

What happens to my old J20 battery?

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

What’s the cost of DieHard batteries for Jeep J20s?

Jeep J20 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.

How long is a car battery good for?

Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.

Why is there white, flaky stuff around my J20’s battery post?

The white, crusty stuff that can accumulate around J20 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 J20 car battery?

Regularly inspecting and cleaning your battery terminals will help keep your J20’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 purchase J20 batteries near me?

You can shop for J20 batteries at your local Firestone Complete Auto Care, and our expert technicians will even handle the installation. Don’t have time to visit our store? Our Firestone Direct mobile vans can come to you for battery installations! Learn more about our mobile battery services.

1984 Jeep J20 Car Batteries

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Get a Battery for Your Jeep J20

Don't let a failing battery slow you down. Shop replacement batteries for 1984 Jeep J20s today and schedule a quick installation at Firestone Complete Auto Care.

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Battery Size & Replacement for 1984 Jeep J20

Researching battery replacements for your Jeep J20? Use this chart to find the right battery size and CCAs for your Jeep J20.

Battery	Engine	Warranty		Cold Cranking Amps
58-2	V8/5.9L	Replacement 24 months	Performance months	550

BATTERIES
V8/5.9L - Battery: 58-2 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 550

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Buy the Right Battery for Your Jeep J20

Sadly, your Jeep J20 won't last forever. Neither will its battery. Generally, car batteries last from three to five years. Don’t get stranded by your J20’s car battery. Replace it regularly instead! Watch for signs that your current battery is getting too old or too weak. A slow engine crank, an illuminated battery or check engine light, swollen battery case, corroded battery terminals, or dim headlights may all indicate that your battery is waving goodbye.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. Our equipment can see how much charge is left in your battery. Stop by for a free battery test and, if necessary, a battery replacement to help keep your 1984 Jeep J20 running! Automotive batteries are just one of our many areas of expertise. Our expert technicians understand Jeep service recommendations for J20 battery cold cranking amps 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.

Firestone Has DieHard Batteries for J20s

We only want what’s best for your Jeep J20, which is why we only carry top-of-the-line replacement parts and batteries. You need a reliable, durable and powerful battery in even the most extreme conditions. DieHard batteries go above and beyond using state-of-the-art advancements to satisfy the expanding power requirements of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Buy a DieHard battery for your Jeep J20 and get behind the wheel with confidence. Why? Because your battery will perform when you need it. That's the kind of battery we deliver.

After Buying 1984 Jeep J20 Battery

Did you recently have a new 1984 Jeep J20 car battery installed? Good thinking! Now, help it last longer and stay charged by caring for it from the get-go. turning off all of the lights when you leave your vehicle, decreasing the number of short trips you take, keeping your battery posts clean, and not playing the radio or using other electronics when the engine is turned off.

Answers to Your J20 Car Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have battery questions that are Jeep J20-specific, visit your nearest store. Our technicians have the answers.

Why won't my J20 battery stay charged? A battery that won't hold a charge is almost as good as dead. The battery may be too old. Or, you may have a habit of leaving your car doors open and the lights on overnight. Stop in for a free battery check at your local Firestone Complete Auto Care and learn more about your battery's charge.
What happens to my old J20 battery? We recycle it, taking care of both your car and the Earth.
What’s the cost of DieHard batteries for Jeep J20s? Jeep J20 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.
How long is a car battery good for? Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.
Why is there white, flaky stuff around my J20’s battery post? The white, crusty stuff that can accumulate around J20 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 J20 car battery? Regularly inspecting and cleaning your battery terminals will help keep your J20’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 purchase J20 batteries near me? You can shop for J20 batteries at your local Firestone Complete Auto Care, and our expert technicians will even handle the installation. Don’t have time to visit our store? Our Firestone Direct mobile vans can come to you for battery installations! Learn more about our mobile battery services.