Thread: Upsize Battery?
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Old 05-13-2021, 09:43 PM   #15
Woodsy
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Join Date: May 2004
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It doesn't seem like you are pulling too much out of your Group 24... unless you have an amp or 2 on your stereo. So the battery should suffice. Going to larger battery just reduces the time between needing a charge.

The real issue is the charging capacity on your OB motor. Most likely, as others have said, it doesn't keep your battery "topped off". Its an easy fix with a trickle charger... yes, trickle chargers are low rate, but think of all the time they are charging the battery when the boat is not in use.

I am not a fan of deep cycle marine batteries... (unless is a trolling battery) I use car batteries in my boat. Better warranty and for me they seem to last longer. For the record, no "new" battery comes fully charged. I always charge them up full before putting them in the boat.

Woodsy
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