Quote:
Originally Posted by s2mikon
The most important thing that you can do is get a good battery charger / maintainer system installed.
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Absolutely!!!
My aluminum bass boat came with a Guess onboard charger with a pair of 5 amp outputs. I leave the boat outside during Kentucky winters with the charger plugged in. It has a group 24 cranking battery and group 27 for the trolling motor.
I finally replaced the original Interstates with identical ones after 9 years, but they were still going strong. Keep them charged and clean, add DISTILLED water every year or so, and they will last many years.