Kerry,
I am going with the Sears battery. I have checked the specs including pics. It is definitely the Odyssey. The Odyssey is priced at $289. The Diehard has a better warranty 4 yr/100 than the Optima 3yr only.
Here is the link.
http://www.sears.com/shc/s/p_10153_12605_02850065000P
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