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May 22, 2025 By

Who make Costco batteries?

Costco batteries, including automotive and motorcycle variants, are typically supplied by established manufacturers through private-label partnerships. While specific brands vary by product line, Kirkland Signature batteries (Costco’s house brand) are often produced by industry leaders like Clarios (formerly Johnson Controls) or East Penn Manufacturing. For example, the Yuasa YTX20L-BS AGM motorcycle battery sold through Costco channels demonstrates collaborations with specialized battery producers. Pro Tip: Always check battery labels for OEM codes—manufacturer details are usually embossed on casings or listed in technical specifications.

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Battery Expert Insight

Costco leverages strategic partnerships with top-tier battery manufacturers to deliver reliable power solutions. Their Kirkland Signature line emphasizes value without compromising quality, utilizing advanced AGM or lithium-ion technologies from vetted suppliers. Always verify manufacturer certifications (UL, SAE) when purchasing to ensure compatibility with your vehicle’s electrical system.

FAQs

Are Kirkland car batteries made by Interstate?

No—Kirkland automotive batteries are primarily manufactured by Clarios, while Interstate sources from multiple suppliers including Exide. Product specifications differ in reserve capacity and warranty terms.

Do Costco lithium batteries use LiFePO4 chemistry?

Selected models do, particularly in solar/RV applications. Check product datasheets for cathode material details, as energy density and cycle life vary significantly between chemistries.

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