Car Batteries for 2021 Ram 2500

Get a Battery for Your Ram 2500

Don’t let a dead battery stop you. Shop replacement car batteries for your 2021 Ram 2500 at Firestone Complete Auto Care.

The Right Battery Size for a 2021 Ram 2500

Researching battery replacements for your Ram 2500? Check the chart to find the right car battery size and cold cranking amps for your 2500.

Battery Engine Warranty Cold Cranking Amps
94RH7 L6/6.7L Replacement 36 months Performance months 800
H7-AGM L6/6.7L Replacement 36 months Performance months 850
94RH7 V8/6.4L Replacement 36 months Performance months 800
H7-AGM V8/6.4L Replacement 36 months Performance months 850
BATTERIES

L6/6.7L

- Battery: 94RH7

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 800

L6/6.7L

- Battery: H7-AGM

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 850

V8/6.4L

- Battery: 94RH7

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 800

V8/6.4L

- Battery: H7-AGM

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 850

Shopping for Ram 2500 Car Batteries

Sadly, your Ram 2500 won't last forever. Neither will its battery. On average, auto batteries last anywhere from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your Ram 2500 stranded. Watch for signs that your current battery is getting too old or too weak. A slow engine crank, a blinking battery or check engine light, swollen battery case, corrosion-covered posts, or faded headlights may all indicate that your battery is on its last leg.

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. Visit us for a complimentary battery check and, if necessary, a battery replacement to help keep your 2021 Ram 2500 running! Car batteries are one of our many specialties! Our expert technicians understand Ram service recommendations for 2500 battery cold cranking amps and reserve capacity. Get help choosing the battery size that fits your car perfectly, and schedule an appointment today for a quick car battery replacement.

Why Choose a DieHard Battery for Your 2500?

Your Ram 2500 deserves the best, 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 2500 batteries surpass expectations using state-of-the-art advancements to meet the growing power demands of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Buy a DieHard battery for your Ram 2500 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.

Making Your 2500’s New Battery Last

Did you recently have a new 2021 Ram 2500 car battery installed? Great job! You can give your new battery a head start with proper care and attention. You can take care of your battery by decreasing the number of short trips you take, keeping the battery posts corrosion-free, and avoiding radio and electronic component use when the engine is off.

Commonly Asked 2500 Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a battery question that's unique to your Ram 2500 battery, pay us a visit. Our technicians have the answers.

  • Why doesn’t my 2500 battery stay charged? A car battery that needs to be jump-started every time is as good as dead. It may be getting old. Or, you may have been leaving your car doors ajar and the lights on overnight. Stop in for a free battery check at your local Firestone Complete Auto Care and get a handle on your car battery’s health.
  • What happens to my old 2500 battery? We’ll recycle your car battery for you!
  •  How much do DieHard batteries cost for your Ram 2500? Ram 2500 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? 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 stuff around my 2500’s battery post? If you notice white, crusty stuff around the battery terminals of your 2500, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your 2500’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
  • How do I remove corrosion from my 2500 car battery? You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your 2500 owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.
  • Where can I find a battery for my 2500? Your local Firestone Complete Auto Care sells and installs 2500 batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.