Hey Gary, We have used those in about 10 systems. Our oldest bank of 2V is about 5 years. As with all FullRiver batteries, no one has had any trouble.
Thank you, Larry Crutcher Starlight Solar Power Systems On Sep 1, 2016, at 8:08 PM, Gary Willett <g...@icarussolarservices.com> wrote: Larry: What is your experience with FullRiver DC1150-2 2V 1150AH AGM L16 battery? Regards, Gary Willett Icarus Engineering LLC 214-629-4279 On 9/1/16 8:51 PM, Starlight Solar Power Systems wrote: > Hear, Hear, Gary, listen to the Graybeards. > > One thing I would like to mention here. Over the last 3 years, I have seen a > dramatic increase of early failures of Lifeline (like Sun Xtender, made by > Concorde) batteries. I have been selling and installing Lifeline since 2004 > and have hundreds of 8-12 year old battery systems being used. I have not > been able to identify any cause related to use. > > So, has anyone seen Sun Xtender or Concorde early failures in recent years? > > BTW, we have been selling FullRiver batteries for a few years now with no > failures and very happy customers. > > Thank you, > > Larry Crutcher > Starlight Solar Power Systems > (928) 342-9103 > > > > > On Sep 1, 2016, at 6:19 PM, jay <jay.pe...@gmail.com > <mailto:jay.pe...@gmail.com>> wrote: > > HI Ray, > > I second your opinion. > > jay > > peltz power >> On Sep 1, 2016, at 4:43 PM, Ray Walters <r...@solarray.com >> <mailto:r...@solarray.com>> wrote: >> >> Hi Gary; >> >> I think it would be a waste of time to load test a sealed battery that is 9 >> years old. Even at only 20% discharge, that battery only has 2800 cycles. >> At 80% discharge, its 550 cycles. The daily system cycle is probably >> roughly a 10% cycle, coupled with the frequent deep cycles. We have been >> seeing 5 to 7 years in GTB systems with regular sealed batteries. Even in >> float mode, they don't last forever. >> Also the customer has already done a basic load test, and the battery is >> failing. Its only a matter of time before you start seeing cell failures, >> and then the system won't even work when the grid is up. >> I'd just replace the set on your next trip. >> R.Ray Walters >> CTO, Solarray, Inc >> Nabcep Certified PV Installer, >> Licensed Master Electrician >> Solar Design Engineer >> 303 505-8760 >> On 9/1/2016 2:00 PM, jerrysgarage01 wrote: >>> Wrenches >>> You can do a carbon pile test but the best way is testing under several >>> conditions. Here is an option real easy and maybe faster, put a volt meter >>> on each battery under constant charge conditions, higher volts on one >>> battery meens high resistance in battery, low volts meens low resistance, >>> either extreme can be an issue. Then let sit for at least an hour with no >>> load and check the volts, next put a fixed load on the system, again a volt >>> meter check each battery, here you may find a lower reading then the rest, >>> there is the problem, now replace the entire bank not just the single >>> battery. This is an easy test and the customer can see it easily too. >>> Jerry >>> >>> >>> Sent via the Samsung Galaxy S™ III, an AT&T 4G LTE smartphone >>> >>> >>> -------- Original message -------- >>> From: Gary Bassett >>> Date:09/01/2016 2:51 AM (GMT-10:00) >>> To: "RE-wrenches (re-wrenches@lists.re-wrenches.org >>> <mailto:re-wrenches@lists.re-wrenches.org>)" >>> Subject: [RE-wrenches] Test procedure for Concorde batteries >>> >>> We have a grid tied battery backup system that uses 8 Sun Xtender PVX-2120L >>> batteries, about 9 years old. The grid has been going out frequently – >>> about 4 times in the past 3 weeks. When the grid goes out, the battery >>> voltage gets too low and shuts the system down pretty quickly. One of the >>> times, this happened within 4 hours. We want to test the capacity of the >>> batteries and we have a testing procedure from Concorde that seems like it >>> would take a lot of time. Is there a quick way to test the battery capacity? >>> >>> >>> >>> Gary >>> >>> >>> >>> >>> > > > > _______________________________________________ > 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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