As we are talking about the IronEdison batteries. I checked their site about lithium and they claim to have a BMS that will communicate with Outback. I didn’t think anybody had comm with OB? Can anyone confirm that?
jay Peltz power > On Nov 21, 2018, at 11:36 AM, Ken Schaal <k...@commonwealthsolar.com> wrote: > > Hey alexis. > Any thoughts regarding these comments about Ni-fi batteries? > Ur running them DC direct? > Hope all is well. Ken > > On Wed, Nov 21, 2018, 2:25 PM David Katz <dk...@backwoodssolar.com > <mailto:dk...@backwoodssolar.com> wrote: > AEE Solar sold NiFe batteries from Russia in the late 1990s. They last a > long time but were hard to use with inverters. A 12 volt pack has 10 cells. > Each cell reaches full charge at 1.7 volts so the pack would be at 17 volts. > that is 68 volts in a 48 volt pack. inverters turn off for over-voltage > before that. When they are operating the cells are at 1.2 volts. The charge > efficiency is about 60% when you look at watt hours in vs. watt hours out. > They also use a lot of distilled water. I had a set that required watering > every 3 weeks. I did not keep up with watering once and one of the cells > exploded when the water level got below the plates. > I would suggest L-ion batteries instead. > David Katz > > On Wed, Nov 21, 2018 at 10:37 AM Ray <r...@solarray.com > <mailto:r...@solarray.com>> wrote: > Charge efficiency is really low, Charging parameters can be hard to get > right, Voltage is not stable under heavy loads, and they are really expensive > to boot. I've never sold them for these reasons, but I have replaced some > sets that customers were unhappy with. They seem to work OK, only if there > are no large surge loads, and the battery and array are sized large enough. > Unfortunately because of the cost, folks seem to really under size them, > which only exasperates the above issues. > > There's good reasons this old battery chemistry has not been widely adopted > by the solar industry. It does have its place, and I understand the train > industry uses it because A) they have cheap on grid charging available, so > efficiency doesn't matter, and B) they have telecomm type loads with very > little surge. > > Ray Walters > Remote Solar > 303 505-8760 > On 11/21/18 10:55 AM, d...@foxfire-energy.com > <mailto:d...@foxfire-energy.com> wrote: >> Hi Guys, I have a potential customer inquiring about installing a pre >> packaged Iron Edison system.. I recall hearing strange stories about Ni-Fe >> batteries but don't recall the specifics. I have done a few searches with >> mixed results.. And have friends advising I run like a Rabbit.. Thought I'd >> run it by you folks for an update.. >> Thanks, and Happy Turkey Day. >> >> db >> >> >> Dan Brown >> Foxfire Energy Corp. >> Renewable Energy Systems >> (802)-483-2564 >> www.Foxfire-Energy.com <http://www.foxfire-energy.com/> >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: RE-wrenches@lists.re-wrenches.org >> <mailto:RE-wrenches@lists.re-wrenches.org> >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> <http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html> >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> >> >> Check out or update participant bios: >> www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > <mailto:RE-wrenches@lists.re-wrenches.org> > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > <http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html> > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> > > Check out or update participant bios: > www.members.re-wrenches.org <http://www.members.re-wrenches.org/> > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > <mailto:RE-wrenches@lists.re-wrenches.org> > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > <http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html> > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> > > Check out or update participant bios: > www.members.re-wrenches.org <http://www.members.re-wrenches.org/> > > _______________________________________________ > List sponsored by Redwood Alliance > > 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 > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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