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Boat batteries getting a bad cell

Posted on 3/4/13 at 10:07 pm
Posted by FelicianaTigerfan
Comanche County
Member since Aug 2009
26059 posts
Posted on 3/4/13 at 10:07 pm
Seems like every year I have to replace batteried due to them having a bad cell. Last one was cranking and I thing trolling isn't getting a full charge now.

On board charger and its supposed to maintain. Never put the boat up with batteries drained. Any ideas or tips on how to prevent this? Batteries are too expensive to buy 2 every year
Posted by Rayvegas1484
Zebedee
Member since Feb 2010
2537 posts
Posted on 3/4/13 at 10:14 pm to
Make sure to do a acid test on it . Sometimes the battery will pass a load test but still drain because of the acid content . A local auto store can do it
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
72247 posts
Posted on 3/4/13 at 10:16 pm to
Use them.

Rotate them in your truck in 1 month intervals. Deep cycles should be able to easily crank your truck in the summer.
Posted by Clyde Tipton
Planet Earth
Member since Dec 2007
40823 posts
Posted on 3/4/13 at 10:19 pm to
Use them and stop buying shitty batteries...
Posted by hogdaddy
Krotz Springs
Member since Feb 2010
5154 posts
Posted on 3/4/13 at 10:28 pm to
Also check your charger settings. usually there a switch on the charger to select what type of battery to charge. the wrong setting will make the charger boil your battery's.
Posted by jordan21210
Member since Apr 2009
14218 posts
Posted on 3/4/13 at 10:41 pm to
Double and triple check that it's a maintainer and that it absolutely cannot overcharge. Some maintainers are just really low amperage charges and do not cut off...you need something like a battery tender that can be left plugged in for months and not harm the battery.

Also, as mentioned, check the fluid levels and fill with distilled water if necessary.

Only other solution I can think of is to pull them out of the boat when you are going to put it up for a while. Put them in the shed or a spare bedroom to keep them out of the elements. This cold weather will kill a battery.
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