Bill Stack up the panels to 3 to get voltages less then 150 VOC Never to Exceed with a FX 60 or 80 charge Controller and sure you can charge a 48 volt system 2 panels may work but high temps might hamstring your output. Jerry
On Tue, Sep 11, 2018, 3:04 PM Bill Battagin <frene...@psln.com> wrote: > I've been on hold with OB for about 40 minutes now and I need to know if 2 > SW PVs with a Voc of 39.9 and a Vmpp of 31.3 will do an effective job of > charging a 48 volt LA battery especially with temps of 95 degrees. Anybody > have experience with this or similar, Appreciate the feedback. It just > seems I'm a little low in Vmpp if I want to equalize when its hot. Will it > be even more questionable in 10 years as PVs age? > > OB did just pickup only to tell me I need Java for the string sizing tool > and he can't help me with this configuration. > > Bill > > On 9/11/2018 1:28 PM, Sindelar Solar wrote: > > If it's a 48V system, you might also look at Blue Ion LiFePo batteries and > eliminate the lead for good. I just installed my first set and consider it > a game changer. > > Allan > On 9/11/2018 1:44 PM, Steve Romo wrote: > > Good afternoon everyone, > > What has been your experience with the Outback OPzV battery? I have a > client who destroyed a set of Solar One HUP batteries (2490 A/HR) by > forgetting to water them for a year. We are looking to take watering out of > the equation. > He does need this much storage (maybe more) My next thought was 3 strings > of GS SLR 1000 batteries (cycle life is a lot better but at twice the > cost) > I appreciate any and all input. > -- > Steve Romo > Mountain Power Solutions LLC > NABCEP certified PV Installer #110112-124 > Kohler Certified Generator Technician > Generac Certified Generator Technician > > 970-433-6316 > _______________________________________________ > > List sponsored by Redwood Alliance > > -- > > *Allan Sindelar* > al...@sindelarsolar.com > NABCEP Certified PV Installation Professional > New Mexico EE98J Journeyman Electrician > Founder (Retired), Positive Energy, Inc. > *505 780-2738 cell* > > > > > _______________________________________________ > 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 > > > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=icon> > Virus-free. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=link> > <#m_-7561709842693718821_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > _______________________________________________ > 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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