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Hey guys. So I have searched for a couple hours and can't really find what I'm looking for charger related so yup here goes another thread.
I am running 3 batteries and a perko. I have a 2 group 27 interstate marine batteries for the stereo and a group 31 blue top for the starting. And I have a guest 12 amp 2 bank onboard charger laying around. Will the 12 amp work? Or do I need to upgrade to a 20 amp? My plan is leaving the perko on bank 2 with the 2 interstates for starting and cruising around as well as sitting with the boat off and jamming out. And if when I go to start bank 2 won't do it then I always have the bank 1 to get me home. This minimizes how often I have to swap the switch. I rarely sit and jam for longer than an hour or so. So I shouldn't have to ever swap the switch unless I drain bank 2. So will the 12 amp do it? Also thinking since I already have it to use it on bank 2 and just a trickle charger on bank 1 just to keep it topped off since it will rarely get used.
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