Car Batteries for 2021 Chevrolet Silverado 2500 HD

Get a Battery for Your Chevrolet Silverado 2500 HD

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

The Right Battery Size for a 2021 Chevrolet Silverado 2500 HD

Need more info about Chevrolet Silverado 2500 HD batteries? Use the following chart to find information on Chevrolet Silverado 2500 HD battery size and cold cranking amps.

Battery Engine Warranty Cold Cranking Amps
48H6 V8/6.6L Replacement 36 months Performance months 730
H6-AGM V8/6.6L Replacement 36 months Performance months 760
BATTERIES

V8/6.6L

- Battery: 48H6

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 730

V8/6.6L

- Battery: H6-AGM

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 760

Buying a Replacement Battery for Chevrolet Silverado 2500 HD

Your Silverado 2500 HD doesn't have an expiration date, but its battery does. The average car battery lasts three to five years. You want to replace your 2021 Chevrolet Silverado 2500 HD battery before it fails and leaves you stranded. Pay attention to clues that your battery is on its way out. A lagging starter, an illuminated battery or check engine light, bloated battery case, corrosion-covered posts, and subpar electrical performance can all signal that your battery is waving goodbye.

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 2021 Chevrolet Silverado 2500 HD running! Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Chevrolet’s service specs for Silverado 2500 HD car batteries’ reserve capacities and cold cranking amps. Get help choosing the battery size that matches your vehicle, and schedule a weekday or weekend battery replacement service for your car.

Firestone Has DieHard Batteries for  Silverado 2500 HDs

Your Chevrolet Silverado 2500 HD deserves the best, which is why we carry just that. You need a reliable, durable and powerful battery in even some of the toughest conditions. DieHard batteries go above and beyond using state-of-the-art advancements to fuel the increasing power needs of new vehicles. They're no ordinary battery, they're extraordinary. Buy a DieHard battery for your Chevrolet Silverado 2500 HD and drive with confidence knowing that performance will be there when you need it most. That’s why you should choose batteries from Firestone Complete Auto Care.

Caring for a New Chevrolet Silverado 2500 HD Battery

Did you recently have a new 2021 Chevrolet Silverado 2500 HD car battery installed? Congrats! Give your new car battery the best start with proper care. turning off all of the lights when you leave your vehicle, limiting short trips, keeping the battery posts corrosion-free, and avoiding radio and electronic component use when the engine is off.

Commonly Asked Silverado 2500 HD Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a battery question that's unique to your Chevrolet Silverado 2500 HD battery, stop by your nearest store. Our expert techs have the answers you need.

  • Why won't my Silverado 2500 HD 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 by for a free battery test at your local Firestone Complete Auto Care and learn more about your battery's charge.
  • What do you do with my dead Silverado 2500 HD battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
  •  How much do DieHard batteries cost for your Chevrolet Silverado 2500 HD? Get affordable prices on Chevrolet Silverado 2500 HD batteries by using one of our limited-time battery deals. Plus, all DieHard car batteries come with a free replacement warranty and extra coverage with DieHard Assurance.
  • How long is a car battery good for? 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 Silverado 2500 HD’s battery post? If you notice white, crusty stuff around the battery terminals of your Silverado 2500 HD, 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 Silverado 2500 HD’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
  • How do I remove corrosion from my Silverado 2500 HD 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 Silverado 2500 HD owner’s manual for instructions on how to do so.
  • Where can I find a battery for my Silverado 2500 HD? You can shop for Silverado 2500 HD 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.