Deep cycle batteries

[taylorbob1]

Originally Posted by CHRIS1u

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The one thing to remember is when using more than one battery, they should be matched....same amp hours, same condition and age. Identical batteries is really the standard for more than one. You can't just add a battery in parallel if the other battery is weak.

Well said.
Many are not aware of that fact.
So if 1 battery of your bank of 2 dies, you need to buy 2 new batteries for optimal efficiency.