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How much does it cost to replace a Chevy Blazer EV battery?

Typically, replacing a Chevy Blazer EV battery costs roughly $6,000 to $12,000 for the pack itself and installation, with potential variations based on warranty and supplier; if the vehicle is still under GM’s battery warranty, the replacement could be covered in full.


Battery replacement costs depend on several factors, including the size of the battery pack, whether the vehicle is still under warranty, the source of the replacement (OEM vs. aftermarket), and local labor rates. The Blazer EV uses GM’s Ultium battery technology and offers different pack options, which influences the total price. Availability and regional pricing can also affect the final out-of-pocket cost.


What affects the price


Understanding the main cost drivers can help you gauge what to expect if you ever need a replacement.



  • Battery pack size and chemistry: Larger capacity packs cost more to manufacture and replace than smaller ones.

  • Warranty status and eligibility: A replacement within GM’s battery warranty can be covered or heavily discounted.

  • OEM vs aftermarket packs: OEM (GM) packs typically cost more but may offer better integration and warranty support; aftermarket or refurbished packs may be cheaper but vary in reliability and warranty.

  • Labor and regional shop rates: Labor costs vary by dealership vs independent shops and by geographic region.

  • System integration and ancillary components: Cooling systems, high-voltage wiring, and control modules may add to the replacement cost if they require attention.


In summary, the price is driven by how large the pack is, whether you’re paying out of pocket or through warranty, and where you source the replacement.


Typical cost scenarios


These scenarios illustrate common possibilities you might encounter when replacing a Blazer EV battery outside of warranty.



  • Under GM warranty (8 years / 100,000 miles): No out-of-pocket cost for the battery replacement if the failure is covered by the warranty and the vehicle is within the warranty period.

  • Out-of-warranty, OEM new pack: Pack cost roughly $6,000–$12,000, plus about $1,000–$2,000 for labor; total commonly in the $7,000–$14,000 range.

  • Out-of-warranty, refurbished or used OEM pack: Pack cost roughly $4,000–$9,000, plus $1,000–$2,000 for labor; total commonly in the $5,000–$11,000 range.

  • Out-of-warranty, aftermarket or salvaged pack (less common): Potentially lower upfront price (roughly $3,500–$7,000 for the pack), but with higher risk, variable warranties, and limited availability; total costs vary with labor and compatibility.


Prices can vary widely by year, trim, region, and availability, so treat these ranges as ballparks and consult a local dealer or EV specialist for a bound quote.


How to proceed if you’re facing a replacement


If you’re evaluating a battery replacement, consider these steps to make an informed decision.



  • Check warranty status and coverage specifics with your Chevrolet dealer.

  • Obtain multiple quotes from authorized GM service centers and independent EV specialists.

  • Ask about OEM vs refurbished packs, warranties on the replacement, and any labor guarantees.

  • Assess the vehicle’s remaining life and potential resale value to weigh replacement versus trade-in or sale.


Taking these steps can help you compare the total cost of replacement options and understand the long-term value of each path.


Summary


For most Chevy Blazer EV owners, a battery replacement outside warranty typically ranges from about $6,000 to $12,000 for a new OEM pack, with labor taking the total higher. Warranty coverage can eliminate or reduce those costs significantly, depending on the vehicle’s age and mileage. Always verify current terms with a GM dealer, compare OEM and aftermarket options, and obtain several quotes to ensure you’re making the best financial decision for your specific situation.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.