Boat Batteries – DOA

As you all well know by now I have recently aquired two sailboats.   Burried deep within the innards of said boats were some scraggly looking batteries.  “Supposedly” 12 volt batteries.

Boat Batteries

Boat Batteries

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I measured the voltage before conditioning. They were 0.0, 5.1, and 10.4 left to right in the picture.

So I went to Lowes and a Stanley 40 Amp Battery Charger that can do reconditioning to bring tired and worn out batteries back to life.  Then I “Conditioned” each battery.  Except for the one on the left.  Zero volts means somethings broken in there.  No charging possible.

After the other two were done conditioning, the new voltages where ….. uh… 5.1 and 10.4 ??????

So instead of batteries, I actually got extra boat anchors.

oh well.

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3 thoughts on “Boat Batteries – DOA

  1. Marine batteries are made for the charge/recharge cycling, so I suspect (but do not know for sure) that it will take SEVERAL conditioning cycles to get them back up to a decent level if they are going to get there. If they don’t, then check out how much you can get for them by turning them in – large batteries are one of those things where you can get PAID to recycle!

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