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Hi.
I just bought a small SmartMPPT 75/15. It works well, but I notice it is preset for " Victron deep cycle" and I have a "regular" (probably AGM) 65Ah VW car battery. I understand from this post that charge voltages do not vary much, but I worry about the discharge load cut-off.
Any advise on the settings, all of them, but mostly the discharge voltage?
Thanks
Best to locate any information for your battery from the manufacturer.
14.4V absorp
13.6V float
10.5V cut-off (pretty much standard for all FLA/AGM batteries)
You should attempt to never discharge more than 50% of the battery capacity, or the life will be substantially reduced. A typical battery that may last 300-500 cycles of full depth discharges will see 2000+ if you limit it to 50%.
