Matt — you want the house bank to be one big bank, rather than two smaller ones; this will make management easier, and also help to keep you from discharging either of the smaller banks beyond the 50% mark. And assuming you have a reasonably powerful charger, you’ll make the best use of it, without having to manage charging across several banks.
— Fred Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( > On Apr 8, 2017, at 1:45 PM, Matthew L. Wolford via CnC-List > <cnc-list@cnc-list.com> wrote: > > Fred: > > I was not aware of your expertise (although your insightful comments > indicate specialized knowledge). Question for you: > > I am planning to install the same DC switch on my 42 that I had installed > on my 34. It is a Blue Sea System switch that separates the starting battery > from the two house batteries, but allows for an emergency crossover. On my > old boat, the house batteries were also wired into the existing 1-2-all > selector switch so that I continued to the existing switch to control which > house battery was being used. A friend of mine recently expressed the view > that the house batteries should simply be tied in without the selector switch > so that they are both being used at the same time. What say you? > > Matt
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