Join Date: Dec 2005
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I have two group 27 gel cell batteries in parallel for the house battery and a wet cell, no maintenance starting battery to start the diesel motor. I think this makes sense, except that in charging them both, it may be causing some issues, though I have the charger/inverter set for the more sensitive gel cell batteries and don't use the equalizing function (posted this on another thread on this topic.).
I think your basic premise of using a starting battery is sound.