Finally reached the time where my OEM Varta battery is becoming unreliable. Coincidentally, I just received a coupon in the mail from my local dealer on Mopar Batteries. I'm aware that after a certain year, the Crossfires came stock with a Mopar battery.

1. How many years have most been able to get out of their Mopar battery? (I got 7 from my Varta)

2. I'm sure the dealership would know (although I won't hold my breath), but the coupon lists a 60-Series, 72-Series and 84-Series battery, each with different prices. Can anyone confirm from these models which I will need?

Thanks!