Optima Jim/Nimbus: I am currently an Optima Yellow Top owner (D34), but please, without taking offense or dishing out any B.S., let me play the devil's advocate for a moment...
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I take notice of one thing, that those with long-lived Optima batteries are always owners of the "old" (good?) batteries. 2007 was the move south to Mexico for assembly/production? Then a "new" battery could only be about 7/8 years old. I don't see many piping in about much except that they changed to different battery. This does concern me as well as many others, of course.
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Great customer service isn't going to do anyone any good at all if they're 50-100 (or more) miles off road somewhere when a battery, or any component for that matter, takes a puke. That's a long walk in anyone's book.
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Here's my concern (FINALLY

): I've had the Optima for about 1 year now in my '13 F150. My truck has some sort of factory battery nanny system. This truck is a daily driver with usually a number of starts/stops each day. The battery nanny keeps shutting off the radio, etc. if I sit with the radio on even for just a few moments. The screen reads "shutting down to preserve the battery" or some such thing. This is very upsetting. I was told that my battery should be at 13.1 fully charged (while others are 13.4+).
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As a side bar, I went to 4WP Truck Fest back in February, and the idiot you guys had as a "rep" said "hmmm, must be the computer inside the battery much be protecting itself and the battery." Huh? Computers inside batteries? We reiterated our (I and a friend, who is anti-Optima now - having been left stranded by one) question, and the 'kid' did a bunch of double talking and looked for someone else to talk with. We laughed as we walked away, but my question remains unanswered.
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Assuming my charging system puts out 14.2vdc, why does a new battery only get manufactured to be at 13.1vdc? I get a weird feeling I'm taking a risk every time I take a trip.
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Help me out here... Thanks! (feel free to PM me)