Why won't my Escalade EXT 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’ve been leaving the doors slightly open and the cabin light at night. Stop in for a free battery check at your nearest Firestone Complete Auto Care and learn more about your battery's charge.

What happens to my old Escalade EXT battery?

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

How much do DieHard batteries cost for your Cadillac Escalade EXT?

You can find affordable Escalade EXT 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 can I expect my car battery to 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.

What is the white, crusty substance accumulating on my Escalade EXT’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 Escalade EXT 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 Escalade EXT car battery?

Regularly inspecting and cleaning your battery terminals will help keep your Escalade EXT’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 Escalade EXT batteries near me?

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

2008 Cadillac Escalade EXT Batteries

Get a New Cadillac Battery

Get a New Cadillac Escalade EXT Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 2008 Cadillac Escalade EXT at Firestone Complete Auto Care.

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2008 Cadillac Escalade EXT Battery Replacement & Size

Researching battery replacements for your Cadillac Escalade EXT? Use the following chart to find information on Cadillac Escalade EXT battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
91-1	V8/6.2L	Replacement 24 months	Performance months	615
48H6	V8/6.2L	Replacement 36 months	Performance months	730
H6-AGM	V8/6.2L	Replacement 36 months	Performance months	760

BATTERIES
V8/6.2L - Battery: 91-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 615
V8/6.2L - Battery: 48H6 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 730
V8/6.2L - Battery: H6-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 760

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Shopping for Cadillac Escalade EXT Car Batteries

You can pretty much drive your Cadillac Escalade EXT until you don't want to anymore. But your Escalade EXT's battery? Don't count on it to last forever. The average car battery lasts three to five years. Don’t get stranded by your Escalade EXT’s car battery. Replace it regularly instead! Look out for symptoms of a faulty car battery. A sluggish engine start, a blinking battery or check engine light, swollen battery case, corrosion-covered posts, or faded headlights can all be signs 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 necessary, a battery replacement to help keep your 2008 Cadillac Escalade EXT running! Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Cadillac’s service specs for Escalade EXT battery CCAs and reserve capacity. Get help figuring out the battery size that's best for your Escalade EXT, and schedule a weekday or weekend battery replacement service for your car.

Firestone Has DieHard Batteries for Escalade EXTs

We know what’s best for your Cadillac Escalade EXT, which is why we carry just that. Your vehicle needs 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 fuel the growing power requirements of new vehicles and their accessories. A DieHard battery isn't an ordinary car battery. It's extraordinary. Go with a DieHard battery for your Escalade EXT and get behind the wheel with confidence. Why? Because performance will be there when you need it most. That’s why you should choose batteries from Firestone Complete Auto Care.

Making Your Escalade EXT’s New Battery Last

Have you recently had a fresh battery installed in your Cadillac Escalade EXT? Great job! Give your new car battery the best start with proper care. Help extend your car battery’s life by decreasing the number of short trips you take, cleaning your battery posts, and not playing the radio or using other electronics when the engine is turned off.

Answers to Your Escalade EXT 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 Cadillac Escalade EXT battery, stop by your nearest store. Our expert techs have the answers you need.

Why won't my Escalade EXT 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’ve been leaving the doors slightly open and the cabin light at night. Stop in for a free battery check at your nearest Firestone Complete Auto Care and learn more about your battery's charge.
What happens to my old Escalade EXT battery? We recycle it, taking care of both your car and the Earth.
How much do DieHard batteries cost for your Cadillac Escalade EXT? You can find affordable Escalade EXT 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 can I expect my car battery to 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.
What is the white, crusty substance accumulating on my Escalade EXT’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 Escalade EXT 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 Escalade EXT car battery? Regularly inspecting and cleaning your battery terminals will help keep your Escalade EXT’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 Escalade EXT batteries near me? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install Escalade EXT batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.