Looking for advice on best batteries for cold weather starting. My batteries are on their way out therefore new ones are in the not so distant future. Current batteries are Auto Craft Gold group 65-2 cca @ 0 degrees 850, cca @ 32 degrees 1000, reserve cap 150. One battery is date coded 2-11 and the other 5-11 so at 9 years old no complaints. Planning a hunting trip to northern Maine this fall so extreme cold is definitely on the menu as possible. Any advice will be appreciated!