I have a 2016 JD X354 Lawn Tractor. It's cold here but not that cold yet. Averaging around 38 at night and 50 by day. I went to shed tried to crank the tractor over and it just barely turned over. This is a new lawn tractor going into its second winter. Last winter I had a trickle charger on it and had no issues over the summer. Since the tough start, I put the trickle charger back on and it's been good but should I have had a problem so soon?