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Old 03-10-2015, 03:42 PM   #8
djmarchand's Avatar
City: Litchfield, Ct/Punta Gorda, Fl
Country: USA
Vessel Model: Atlas Pompano 23- outboard
Join Date: Aug 2012
Posts: 4,062
I agree with Fred's assessment. A 5 amp charger may not keep up with the lights if they are incandescent types.

Replace the two house batteries and replace the charger with a 20 amp, 3 output unit as Fred suggests.

You have a perfect opportunity to replace the two with a pair of 6V golf cart batteries wired in series. These will probably add 50% amp hour capacity in almost the same space. They are taller however. GC batteries are true deep cycle house type batteries, whereas many Group 27s (which is what you may have) are not.

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