As discussed on this list before, an ACR or Xantrex Echo-charge is what you should use to keep the start and house banks separate but allow the alternator to charge both. A combine switch allows for emergency starting with the house batteries. A very small lead acid battery is enough to turn the engine. If you don't have enough room for a U-1 tractor battery then you might find a motorcycle battery that will fit your needs. Even two 6v motorcycle batteries might solve your space problem. There are some great lithium options in motorcycle batteries too.
Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Nov 29, 2015 4:17 PM, "Syerdave--- via CnC-List" <cnc-list@cnc-list.com> wrote: > Am revising the battery arrangement in my 33ii to add a start battery and > parallel the existing group 34 batteries as a house bank. Space is at a > premium... Has anyone done this and do you have any suggestions? Tx. > > > > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > >
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