https://learn.fortresspower.com/external/manual/sma/article/copy-of-unpacking-the-batteries?p=dc8b9a9c1b3f410556835193e66f2257c662403dfb3da4056e618e954e8381d2
According to Fortress, they have estables closed loop. However, I don’t have experience with this match up. On Fri, Sep 2, 2022 at 6:16 PM Mac Lewis via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Hi Howie, > > I haven't done a Fortress paired with a Sunny Island, but I have done a > large Blue Ion battery bank work a quad stack of Sunny Islands. You can > use the Namaka box to aggregate battery bank data and select "external > Li-ion BMS" and it will convey state of charge to the Sunny Island. > > Seems to work well. > > We ran it without the Namaka box for a while, and the Sunny Island SOC > algorithm really couldn't effectively track the state of charge of the Blue > Ion batteries. I suspect, unless Fortress has a way to "talk" to the Sunny > Islands, you would struggle with programming the Sunny Island to properly > track the state of charge. This really comes up with off grid sites where > you are counting on starting a generator at the proper time. > > Let us know what you decide to do. > > Thanks > > > > > > On Thu, Sep 1, 2022, 11:11 AM Howie Michaelson via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > >> Has anyone put Fortress batteries into a Sunny Island off grid system, >> either an E flex or an E vault? I have a client with older 2 volt Rolls >> batteries that need replacing. Currently about 55 kwhs. Or any experience >> with other LiFEPO4 batteries with Sunny Island off grid systems? >> Thanks >> Howie >> Sin barber >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org >> >> _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > > -- Chris Sparadeo C_802-369-4458 H_802-728-3059
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