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can you hook up a solar panel and mppt to stock dual agm batterys?

5073 Views 11 Replies 8 Participants Last post by  mogulman

I ordered my dual slider Hr extended 3.7 on 3/9/2016.....I went with the dual battery/ho alternator for one reason....I plan to use a whynter 12v frig full time in van. I Know almost nothing of Solar but if I could hook up a 300watt panel to stock dual agm' life would be much simpler. I was not sure if the alternator and panel would be fighting each other and somehow blow up my new van....any input would be appreciated. FYI: I am very simple by I need to keep the solution very direct.
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My only worry with fridge connected to starting AGM batteries is that that they are starting batteries and not deep cycle batteries. They are designed to be kept mostly charged and not cycled. How much battery life are you taking out by connecting the house to them and then deep cycling them (say 50%). Admittedly, a small fridge is probably only about 30-40 Amp-Hours per day. But then, the dual starting AGM are only about 100 Amp-Hour total (correct me if I'm wrong as I did not look this up again).
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