Not familiar with that charger but it could indicate one battery is getting weak, that is what I see on my Dual Pro charger when one battery is taking longer to charge.
Guys when i go to charge my batteries for a day on the water i bring boat to house and plug the 3 bank in usually for 8 to 10 hours in advance to leaving time . my qustion is this a long enough time to get all 3 batteries up to full charge , the last couple of trips at said leaving time the 3 bank has looked like picture (note 2 Led's lit not 1 )
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keep your lines tight as you never know
Not familiar with that charger but it could indicate one battery is getting weak, that is what I see on my Dual Pro charger when one battery is taking longer to charge.
It will take the trolling motor battery(s) longer to charge than the rest. Proper use of the charger would be to plug it in as soon as you get back from fishing and leave it plugged in until time to go again. This is the way modern on board chargers are designed to be used. It not only assures you of fully charged batteries it prolongs the batteries life.
Bill is telling you exactly right.....and be sure to check your water and add distilled water if needed at least every 6 months.
I have spent most my life fishing........the rest I wasted.
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PICO Lures Field Rep