Batteries DOD %'s?
So here's my confusion. I thought I had understood that depth of discharge was essentially how low can the battery drain. I was under the assumption that when a battery has a 100% discharge (a 12V battery for example) would read 0 volts. I read its recommended not to go past 50%, what I thought was 6 volts. I then read that you have set points on a charge controller, and you shouldn't let it go below 11 volts??? So does that mean you should only have a dod of 8%? I dont get this. Any help is appreciated.
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