I personally was looking for an increase in power when starting the engine, so coming from the Standard Banner 300 CCA, to the Interstate 500CCA sure seems like a pretty substantial increase to me since CCA is the maximum amperage available at full charge, used to turn over the starter motor, which is the increase I was looking for.
Since AH is the total power available in a battery (the number of hours a battery will last drawing one amp of electricity), and since i am not planning in using the battery to run accessories with the engine off (or using it in a deep cycle manner) it am hoping 32AH should be enough. As far as longevity goes, it's true bigger is better. The old "generally unloved" Banner 30AH lasted 4 years so pretty average I guess. Time will tell in the interstate. She fired up almost instantaniously this morning again, and the Ol' S&S has never done that as long as I have owned her so I am a happy customer so far.....
