Quote:
Originally Posted by scrubjaysnest
For maximum life expectancy don't go below 50%. Trojan's typically last 8 to 10 years with proper charge discharge cycles and not going below 50% DOD.
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That's true, however maximum life expectancy may not be the thing you want most out of your house batteries. I am more than willing to trade some longevity for the ability to draw down my batteries to 30% or so - when I need to do so to avoid running my generator. The question for me is how much "life expectancy" am I losing? It's not a black or white issue for me. Similar to not driving your RV above 55 mph. That will give you maximum gas mileage and RV life expectancy, but not many (most?) of us are willing to do that because it significantly increases our driving time.