We have two T12 136ah ( slightly larger and heavier than a group 27 ) Rolls house batteries which are now in their 12th year of service. I was thinking they were near their end of life but a battery equalization last year seems to have given them a new lease on life. We replaced a Rolls starting battery after 11 years.
Ed 1982 LF38 On Feb 27, 2016 1:20 PM, "Doug Welch via CnC-List" <cnc-list@cnc-list.com> wrote: > Our new (to us) 33-2 has a couple of Surette Group 27 Deep Cycle Batteries > of indeterminate age in plastic battery boxes with no lid and a Canadian > Tire 22NF starting Battery (In what looks like a home made wooden battery > box). > > My first instinct is to replace the deep cycles with Interstates and > upgrade the 22NF to a Group 25 Marine Starter Battery in proper battery > boxes (I have seen first hand how quickly a dropped wrench landing on > exposed 12v battery terminals can go very bad). > > The charger is a relatively new looking Professional Mariner ProSport 20 > Heavy-Duty Marine Battery Charger. Both banks are monitored by a cruising > equipment company e-meter. > > My questions are > 1. Does anyone have 2 G27s and a G25? Is there room? > 2. Someone told me the Surette are very good batteries with longer than > average life and I shouldn't be in a hurry to replace them. Experience ? > Thoughts? > 3. Anything else from your experience I should be thinking about? > > Cheers, > Doug > > _______________________________________________ > > 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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