jpk33
New Member
I agree with Henry! I use AGM's and the batteries stay om board & connected. The boat is stored outside so once or twice a season I will plug in to top off the charge!
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Is there any chance of freezing in the dead of winter, with no load attached?
I always take mine out and charge them about 2-3 times during the winter. If I leave them in there's no way to charge them (if the neg. or pos. is disconnected). The way to prolong the life of a battery is to keep it charged. So, my advice is if you don't have access to 110v to keep them charged then take them out.
Alex, if you take them out how do you lower the hatch ? manually? i leave mine I dont know how to close the hatch except pull the pins on the arms, and i hear it's very heavy????
No, I pull mine, charge, then store in heated basement prior storing boat.
My batteries are put into heated storage fully charged with negative lead disconnected. The engine room lift is closed with a battery connected to the 12v plug on the dash. I replaced the batteries after 5 1/2 years and they were still good.
On SR boats with electric hatches, there is a circuit from the accessory socket at the helm that allows you to open and close the electric hatch. You need a power source, I use a jump pack, and a simple harness that connects the battery to the male accessory plug. You can make one with the parts available at Radio Shack if your's was lost, or more likely, never sent from the guy you bought your boat from....probably still with the bimini cover.
My batteries are put into heated storage fully charged with negative lead disconnected. The engine room lift is closed with a battery connected to the 12v plug on the dash. I replaced the batteries after 5 1/2 years and they were still good.