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Rich · 09-25-2016, 07:42 AM

As others have said, charge batteries fully, then disconnect the cables and leave them in the boat.

Disconnect the cables is key, as on some boats not everything is disconnected by a battery switch, so it's best to disconnect at least one cable from each battery to be sure there is no parasitic load on the battery over the long cold winter.

09-25-2016, 07:42 AM	#7
Rich Senior Member Join Date: Jun 2012 Location: Derry / Gilford Posts: 1,225 Thanks: 69 Thanked 341 Times in 231 Posts	As others have said, charge batteries fully, then disconnect the cables and leave them in the boat. Disconnect the cables is key, as on some boats not everything is disconnected by a battery switch, so it's best to disconnect at least one cable from each battery to be sure there is no parasitic load on the battery over the long cold winter. __________________ Don't listen to me, obviously I don't understand what I'm talking about! Let's help each other save time and money: WinniGas.com