Personally I would call that a gamble. Depending on what type of aircraft you fly(meaning how much time and money you have invested in it) changing a battery pack ever other season is definalty not a bad idea. I cycle mine in the prime season every 2 months or so and off season times every month, to ensure a healthy memory. I understand I may be a bit too anal but I consider it cheap insurance to regularly cycle your batts and change them out ever other year or so depending on usage. Saves dumping a $600 to $1500 (or more) plane in the peak of the season which always seems to be when things go wrong.