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Black Bear

Charging Boat Batteries

11 posts in this topic

I think I have heard before that you should take your boat batteries out of your boat before you re-charge them and never re-charge them inside the boat that is inside a building or garage. Is this correct? Thanks

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I don't believe that at all. I have a 24 volt Minnkota with a three bank on-board charge and I NEVER take my batteries out to charge them. It would be a constant hassle. I make sure the battery compartment is open and well ventilated while they are charging. Unless I am at a resort or cabin, I charge them while the boat is in the garage. If you have a charger that shuts off automatically when the batteries are charged, you shouldn't have a problem "cooking" the batteries and creating a problem.

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Bunk! I too charge my battery in the boat.. in the bench where the battery sits.. AND in the garage.. smile.gif Never a problem.

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I have never taken a battery out of the boat to charge it unless Im at a resort without dock power.

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I totally agree. Taking the batteries out to charge them when you have an on-board charger does not make sense-it defeats the purpose of getting an on-board charger. These instructions are supposed to be for some industrial or non-automatic type of chargers, I suppose.

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I love this board.

So, before I left for work this morning, I hooked up the charger to a battery - in the boat. smile.gif

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...and your boat exploded? smile.gif

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Ya i charge my battery's outside on clear sunny days when the temp is between 65to 72 degrees, and a slight breeze.

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A built in on board charger is a different deal than just putting on a charger on a battery regularly. The issue I think people are getting at with recommmending doing it other than inside is that it sparks when you hook it up and potentially at other times and there are often gas fumes in the area that could ignite. Its a safety precaution. Also, charging a battery while hooked up isn't necessarily good for some of the electronics and ignition equipment.

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Connecting a charger to a battery should be done with the AC cord unplugged. Connect the charger and then plug the charger into the outlet. Actually, the newer "Smart" charger I bought this year, you have to push a button to turn the charger on after connecting it up.

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Get an onboard marine charger.....you just connect the AC plug and that is it. Cannot recommend this enuff.

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