Re: Power Battery Set up for 27ft sailboat
Originally Posted by chef2sail
You have using wet and agm batteries which is not recommended to mix. Ho do you charge the AGM?
That's true if the wet cell and AGM batteries are hard wired together. However...
The only connection between the two banks (unless I select "BOTH" on the main switch, which I don't) is via the battery combiner. The combiner only connects the banks together when it senses a charging voltage ( >13.3V, I think), and the combiner limits the charging voltage to the AGM to about 14.2V (just below the recommended max charging voltage of 14.4V for a nominal 12V AGM).
The "acid test" (pun intended) is that everything seems OK with the AGM battery in this configuration for over three years now.
Never forget them. Do something to prevent it from happening again.
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Last edited by SlowButSteady; 06-04-2013 at 07:15 PM.