Better yet, use Amphenol connectors. Brad
On Mon, Dec 24, 2018 at 1:43 PM Tom Duffy <t...@solar-biz.com> wrote: > If you’re showing a lower voltage tray in the stack… You can’t overcharge > the whole set to get the 6 volt tray to come up but you can separate > (electrically) not physically (leave the center bolt alone) and charge the > single tray with a 6 volt charger. > > > > We’ve done this with success several times. Make sure the MC4 connector is > clean as they seem to get funky with low voltage. > > > > Kind regards > > > > *Tom Duffy* > > *Senior Solar Design Engineer* > > [image: TSBLOGODPIx500x200] > > *t...@solar-biz.com <t...@solar-biz.com>* > > *MAIN TOLL FREE:** 888-826-0939* > > *DIRECT:** 888-503-6772* > > *International:* *001-575-539-2111* > > *PANAMA:* *507-836-5588 X 122* > > *FAX: 520-844-8442* > > *www.thesolarbiz.com <http://www.thesolarbiz.com>* > > > > *From:* RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> *On > Behalf Of *John Blittersdorf > *Sent:* Saturday, November 10, 2018 6:48 PM > *To:* RE-wrenches <re-wrenches@lists.re-wrenches.org> > *Subject:* Re: [RE-wrenches] Aquion Testing > > > > Lou, I recently discovered that each layer can be checked for voltage. I > had one battery test lower than the rest. Looking at the battery closer, I > found that my meter probe could get the voltage of each layer indivually. > Through an opening in the case. The top layer had the reduced voltage > output and it was one cell of the 4 cells in each layer. I have 4 > customers with Aquions and we are seeing lower storage because the days are > > Shorter now and fewer sunny days here in the Northeast. These batteries > really like long slow charges. I have one customer with 8000 watts of Pv > and a 12kw generator and he can’t figure out why his generator has to run > so long. It is the nature of the batteries and our darkest month. His > system is undersized with 12 battery stacks and he is driving to Maine > tomorrow to buy 20 more from another unhappy Aquion user who is going back > to lead acid. I am hoping doubling his storage will solve another problem > of voltage dropping to 36 volts when his 1.75hp well pump runs when no sun > or generator. Over sizing the battery bank is ok with Aquions as they > don’t need to be fully charged.on a regular basis. > > > > John Blittersdorf > > > > > > > > > > . > > > > > > On Sat, Nov 10, 2018 at 5:33 PM Lou Russo <l...@spreesolarsystems.com> > wrote: > > Aloha Wrenches, > > > > I have a orphaned system with 6 - Aquion Aspen 48Ss that is running out of > energy nightly. This is a off-grid system with a Outback FP1. The logs from > the Mate 3 do not show excess usage. Beyond testing the voltages of the > individual stacks is there any way to check if a battery is good, bad, or > failing? I don't have much experience with Aquions and have yet to have > any of the 40 or so stacks I have installed fail. > > > > Thanks for your insight. > > > > Aloha, > > > > Lou Russo > > l...@spreesolarsystems.com > > 808 345 6762 > > Spree Solar Systems LLC > > CT-34322 > > > > _______________________________________________ > 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
