3 years.

Switched out to a SEARS DieHard.

 

7 years.

 

if it is a H-D sealed, AGM battery you should be able to recharge it. Recharge must be done with a trickle charger and for best results charge for 8-10 hours. Check your battery connections while you are at it. I have seen H-D batterys go 7 years with proper care given to them, but 4-5 years it the norm.

 

At 4 years I usually start shopping. The new belt drives just don't bump-start like the chain drives did.

 

my 03 has it's original in it

 

If I were you I would check the output of the stator, and have the battery load tested to see if it is good after it is charged.

 

I like fried stators and beans

 

I replace my battery every 4 years, needed or not. I just replaced it a month ago and noticed a significant increase in cranking power. I only use the HD battery (they had a sale on them recently). I rarely use my battery tender, not really needed down here in Louisiana. When I do use it, it is only until the full charge light comes on. Like the quote above, they don't bump-start easy. If the battery goes dead, you are out of business

 

4 1/2 years and 41,000 miles so far. I guess I should start shopping.

 

Schu...That's stators and taters.