Why doesn’t my 300 battery stay charged?

A battery that won't hold a charge is almost as good as dead. The battery might be 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 do you do with my dead 300 battery?

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

How much will replacing my Chrysler 300’s battery cost if I get a DieHard battery?

You can find affordable 300 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?

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.

What is the white, crusty substance accumulating on my 300’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 300 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 300 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 300 owner’s manual for instructions on how to do so.

Where can I find a battery for my 300?

You can shop for 300 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.

2008 Chrysler 300 Car Batteries

Get a New Chrysler Battery

Get a Battery for Your Chrysler 300

Don't let a failing battery slow you down. Shop replacement batteries for 2008 Chrysler 300s today and schedule a quick installation at Firestone Complete Auto Care.

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The Right Battery Size for a 2008 Chrysler 300

Need more info about Chrysler 300 batteries? Use this chart to find the right battery size and CCAs for your Chrysler 300.

Battery	Engine	Warranty		Cold Cranking Amps
94RH7	V6/2.7L	Replacement 36 months	Performance months	800
H7-AGM	V6/2.7L	Replacement 36 months	Performance months	850
94RH7	V6/3.5L	Replacement 36 months	Performance months	800
H7-AGM	V6/3.5L	Replacement 36 months	Performance months	850
94RH7	V8/5.7L	Replacement 36 months	Performance months	800
H7-AGM	V8/5.7L	Replacement 36 months	Performance months	850
94RH7	V8/6.1L	Replacement 36 months	Performance months	800
H7-AGM	V8/6.1L	Replacement 36 months	Performance months	850

BATTERIES
V6/2.7L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V6/2.7L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
V6/3.5L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V6/3.5L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
V8/5.7L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/5.7L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
V8/6.1L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/6.1L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850

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Buy the Right Battery for Your Chrysler 300

You can pretty much drive your Chrysler 300 until you don't want to anymore. But your 300's battery? Don't count on it to last forever. Generally, car batteries last from three to five years. Don’t get stranded by your 300’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A slow engine crank, a blinking battery or check engine light, swollen battery case, corrosion-covered posts, or dim headlights may all indicate that your battery needs attention.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With computerized testing we 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 2008 Chrysler 300. Car batteries are only one of our many strong suits. Our technicians are well-acquainted with Chrysler’s service specs for 300 battery cold cranking amps and reserve capacity. Get help figuring out the battery size that fits your car perfectly, and schedule an appointment today for a quick car battery replacement.

Find the Right DieHard Battery for Your 300

We know what’s best for your Chrysler 300, which is why we carry just that. Your vehicle needs a reliable, durable and powerful battery that can handle most extreme environments and weather conditions. DieHard 300 batteries surpass expectations using the latest innovative technology to fuel the expanding power requirements of modern vehicles They're no ordinary battery, they're extraordinary. Buy a DieHard battery for your Chrysler 300 and get behind the wheel with confidence. Why? Because performance will be there when you're counting on it. That's the kind of battery we deliver.

Caring for a New Chrysler 300 Battery

Got a new car battery installed in your 2008 Chrysler 300? Congrats! You can give your new battery a head start with proper care and attention. ensuring all the lights are turned off before you leave the car, limiting short trips, keeping the battery posts corrosion-free, and not playing the radio or using other electronics when the engine is turned off.

Answers to Your 300 Car Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a battery question that's unique to your Chrysler 300 battery, stop by your nearest store. Our technicians have the answers.

Why doesn’t my 300 battery stay charged? A battery that won't hold a charge is almost as good as dead. The battery might be 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 do you do with my dead 300 battery? We recycle it, taking care of both your car and the Earth.
How much will replacing my Chrysler 300’s battery cost if I get a DieHard battery? You can find affordable 300 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? 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.
What is the white, crusty substance accumulating on my 300’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 300 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 300 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 300 owner’s manual for instructions on how to do so.
Where can I find a battery for my 300? You can shop for 300 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.