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Old 09-20-2018, 08:11 AM   #11
bbells
Senior Member
 
Join Date: Mar 2018
Location: Minneapolis
Posts: 196
I am sure someone has already said this, but marine batteries are not deep cycle. They are simply a compromise between a car battery, deep cycle, and weight. Even in the best use their life span is only 6 months to 1.5 years. 12v real deep cycle batteries weigh about 150 pounds and last 10 times longer (both lifespan and power) than marine batteries. Pick up a couple 6v golf cart batteries and put them in series if you are going to replace your current battery. They cost the same, last longer and have 2-4 times the amp hours. Avoid anything that has cca on it. FYI: I have set up solar systems for campers and cabins and ham shacks for over 20 years. Don't waste your money on marine batteries.
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