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On Wed, Sep 12, 2018 at 4:03 PM, clh5_98@yahoo.com [electricboats]<electricboats@yahoogroups.com> wrote:Hello group,
I'm shopping for new batteries for my sailboat. I currently have 16 Trojan T-145s in series parallel. 520aH total at 48 V. They have served me well and will soon be 6 years in service. I'm wanting something in this capacity, but in a more maintenance free design. I have been reading the various battery postings from this group with interest. I have not totally ruled out LifePO4, but I have concerns with BMS failure, charger integration and, of course the initial cost of a system in the capacity that I require. I forgot to mention, my boat is a Morgan Out Island 41. With my experience with this boat and the smaller size of my generator, I don't want to reduce capacity much. The other battery that I am considering is the NorthStar NSB 210FT BLUE+. They are essentially an AGM battery with carbon added to allow it to better tolerate partial states of charge (PSOC). One thing that I've noticed with my T-145s is the incredibly long absorption time while at anchor. Most time I just give up trying to get to 100% SOC, which I understand is not good for FLA batteries. 8 of these NorthStar 12 volt batteries (400 aH total) would cost less than half of a comparable capacity LifePO4 (CALB) bank with BMS. I'd like to get some feedback/opinion as to the suitability of these NorthStar batteries for this application, and maybe someone can give me more confidence to make the LifePO4 plunge. Thanks for any help this group can offer.
Kind Regards,
Chris Hudson
Posted by: Daniel Michaels <nov32394@yahoo.com>
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