Hi dan I'm curious why you opted for NiFe vs lithium?
Jay Peltz power. > On Jul 26, 2015, at 8:11 PM, Dan Fink <danbo...@gmail.com> wrote: > > I made myself a guinea pig on Iron Edison NiFe cells this year, before I try > to install them for any customer. I have now about 90 days on them. > 1.65 volts per cell charging is what they want and need. PV controllers MPPT > type are fine with this. just change the settings (assuming the sun is > shining) > . Inverter/chargers are not fine, at least not my Magnum OMG! over 1.6v per > cell!! Overvoltage! Shut down! > So I have rewired battery bank as recommended by Mrf with 9 cells at 1.2v > instead of 10 cells. And now with my 10.8v battery bank I get surge low > voltage wonky waveform hits from the fridge turning on, etc. that reboot the > satellite internet, tv etc. > My plan is to add another 1kw of solar here for an increase of 50% and rely > more on the incoming PV that can bring it all up to 1.65v per cell rather > than the generator that can't do it thanks to the inverter firmware. > I think my new NiFe batteries will do just great in the long run. But their > charge/discharge behavior is a continuing lesson. And I am SO glad to learn > these lessons myself, instead of in front of a critical customer. > > > > Dan Fink > Buckville Energy > IREC Certified Instructor™ for: > ~ PV Installation Professional > ~ Small Wind Installer > NABCEP / IREC / ISPQ Accredited Continuing Education Providers™ > 970.672.4342 > > > >> On Sun, Jul 26, 2015 at 6:55 PM, jay <jay.pe...@gmail.com> wrote: >> HI Tom, >> >> They are considered 1.2v nominal. >> >> Charge range is up to 1.7v per cell. >> For a 24v system usually you pull out 1 cell or 19 cells 19 x 1.7 = 32.3v >> For a 48, usually 2 or 3 , or 37-38 cells. >> >> If you use much less, then the voltage swings really low, if you go more the >> voltage is too high for most inverters. >> The Iota isn’t going to charge them up fully with that low a voltage. But I >> don’t know if that version Iota is adjustable, many of the older ones had a >> internal pot you could turn up. >> >> But heck give it a try and play with it. >> >> jay >> >> peltz power >> >> >> >> >> > On Jul 26, 2015, at 4:34 PM, Tom Lane <t...@ecs-solar.com> wrote: >> > >> > I have a friend who has forty ( 40 ) Iron Edison Batteries , he says they >> > are each 1.5 volts and wants to use them for a backup to his aquatics >> > business's . Continuous load 24/7 is only 365 watts with surges to 1200 >> > watts . My guess is that ___# of batteries ( maybe 32 to 36 ? ) can be >> > wire as a 48 volt system ? Any suggestion on charge controllers - >> > Morningstar or MidNite ? . .? A Samplex pure sign wave inverter 2000 watts >> > at 48 volts and an Iota 54 volt battery charger is my guess that it might >> > be the way to power the load - any suggestions . Anyone have experience >> > with Iron Edison .any suggestions appreciated ! Gator tom PS : any >> > suggested websites ? >> > >> > Sent from my iPad >> > _______________________________________________ >> > 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 >> > >> >> _______________________________________________ >> 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 >> > > _______________________________________________ > 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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