Good Price and Warranty

Old Kirkland battery 24-640 lasted 55 months instead of 100 months. Good thing Costco refund the remaining 50%.
I bought the new Interstate to replace from Costco again since I have confidence in them backing their warranties.
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Have a Kirkland Signature battery in my 2004 Chevy Cavalier with 133k miles. Sticker shows the battery made 7/11 and I bought it August 2011. Almost 6 years later, it's mostly working but starting to wane.
Ohioan on 4/25/17