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Nobody really answered the question about cold cranking amps. You will need to buy a battery which fits. Look for the group # on the top of the old battery. 24F I think. The posts should be in the correct position with the correct polarity as the old battery. You will notice, looking at labels, that the longer the warranty, the more CCA it will claim. Buy the most expensive battery and you will likely get the battery with the largest CCA numbers as well. Lead-acid batteries begin to die the day they are made, so to have a long warranty they need to build in more initial capacity and this is done by varying the thickness of the case and the internal plates. On an average fall day it doesn't take much to start a car and the battery is only being taxed for 3-4 seconds. The real test comes when the weather is colder, the engine is tighter and presents more resistance to turning, and the temp has dropped the battery capacity.
Batteries are cheap. If you are getting nervous about the battery, go and buy a new battery. You shouldn't angst about a car battery. Kidney transplant yes but not a battery.
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2007 V6 Camry LE, Built TMMK 27 September 06
"People who think they know it all are particularly irritating to those of us who do."
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