Quote:
Originally Posted by WildBillyT
I would guess that your battery tender had a ton to do with the life of your battery. I am sure that a tender pays for itself rather quickly.
However even on a tender or maintenance system you can have batteries go bad and even split the case. I've had this happen to 12V batteries in the UPS grid here at work. Not good. Even with a tender I'd replace one at the 6 year mark just to be safe. They aren't THAT expensive.
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My point exactly. I use a battery tender on my Formula every time I put the car cover back on. Having worked in SEARS Automotive, I am quite aware of the unseen problems that batteries develop. If you were to take an 8 year old battery (that is still working) and put it in a tester, it would most likely have a positive reading, BUT it is WAY overdue on the life span (most are a 72 month) and there will be NO warning when it is about to go. If you figure the price of a really good battery over 5 years, it's cheap insurance to not have to think about WHEN will it go or how much more life can I squeeze out it. Just my 
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1991 FORMULA 350-GONE BUT NOT FORGOTTEN
1 of 1,197 with L98 Option/13.79@100 mph
1994 25th ANNIVERSARY TRANS AM GT -1 of ONLY 2,000 made/ Only 128 made with a HURST 6-Speed Manual and 91 with T-Tops and Compact Disc/ K & N Filtercharger/Magnaflow Performance Muffler/Air Foil- ORIGINAL MINT Arctic White Ultra Rare SURVIVOR. DAYTONA 500 PACE CAR Decal Kit!
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