Quote:
Originally Posted by skyrat
It is set to the AGM setting, I have a Lifeline AGM 4D. I will be reading the controller manual later today.
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I have Lifeline batteries as well. I found that most "canned" AGM settings (at least on the half dozen controllers and chargers I'm familiar with) don't have the correct voltages for Lifelines. Most notably, the Lifelines want to float at a lower voltage than you typically find in a "canned" setting, but I think I changed the absorb too. I found it best to go in and do a custom setting on the controller, so I had the correct settings (Lifelines aren't cheap).
The other thing I had to change was the temperature compensation factor. I forget the term, but the concept is that the charging voltages will be raised or lowered by X amount per degree F over or under 77º. The standard X amount on my current controller wasn't the correct one for Lifelines, but it was just a matter of changing a setting number. Since my battery bank is rarely just at 77ºF, this was key.
There will likely also be settings for absorb time, end amps, or something else that effectively governs the length of the absorb period. You may prefer to tweak that later when you know your routine better (two hours is probably a starting point).
Solar is sooo nice once you get it set up - how cool you could just do it right then.
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