Costco Batteries Rock

My Kirkland 12865 group 35-640 CCA battery packed it in when the last cold front went through. It lasted 43 months (installed 7/2012) so I received 60% back ($40.67).
I took the opportunity to upgrade from the 35-640 to the larger Interstate 850232 24F-700 that was not available in the Kirkland lineup for about $10 more.
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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