How long did you have your stock battery?

[RoskiStang]

goin on six years in my 02

 

[PULMEOVR]

5.5 years so far. Still going strong.

 

[Satin Silver GT]

Still have the original one in my 2002 GT. Usually have to charge it once during the winter when it is garaged.

 

[Mustang225]

03 (8/02 purchase) and still cranking.

 

[5.0's 4 ever]

Its hit or miss with ford factory batteries. I replace them all the time at my work and the motorcrafts I put in don't last that much longer either. Heat is the number one killer of them, especially down here in florida. Take for instance the Lincoln LS, the battery is in the trunk. I have been a ford tech for over 6 years and I can count on one hand for the batteries I have replaced in a LS(not counting batteries dieing from draws or alternator failure).