Mike — IF your charger is set up completely correct as far as the charging regimen for the batteries you’ve got, and IF your batteries are in good shape and have the proper level of electrolyte, then you could probably leave the charger on all the time. It should go into “float” charging mode after the batteries are topped off. If, however, there are any issues with any of the above, you might cook off your electrolyte and kill your batteries.
If you’ve got DC refrigeration (you and I don’t…), that should pull enough current to keep the batteries from getting over-charged. In my case, the only DC current draw my system has got when away from the boat comes from the bilge pump, and the “stay-alive” lead to the stereo; not enough to seriously deplete the batteries when I’m away. So I leave the charger off for safety (although it IS set up properly for my batteries). Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- Bayfield, WI > On Sep 2, 2015, at 12:53 PM, Hoyt, Mike via CnC-List <cnc-list@cnc-list.com> > wrote: > > Fred > > Does it hurt to keep the battery charger on? I also have the AC powered > frost plate system for refrigeration. Charger is Xantrex Truecharge 40+ > multistage charger > > Mike
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