"The more savvy customers I will recommend they turn off the PV's when they are there to get a deep discharge in."
um, why use up battery cycles unnecessarily like this? todd On Friday, July 13, 2012 7:28am, "Jason Lerner" <wapa...@rockisland.com> said: > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > Hello John, > > This time of year I service off grid summer cabins where people come up once a > year for a few weeks. The batteries in these systems generally do not die > from > over cycling, but from over/under watering, acid stratification, corrosion, > and > generally being ignored. The more savvy customers I will recommend they turn > off > the PV's when they are there to get a deep discharge in. > > Could you recommend any thing else they could do to lengthen their battery > bank > lifespan? These systems generally have a small PV charging capability, and > float > charge 350 days a year. It seems ironic that these systems that really never > get > used, and my battery bank at home that gets used (but not abused) and cycled > daily, will last the same number of years. > > Thanks very much, > > Jason Lerner > > Waldron Power and Light Co. > > On Jul 9, 2012, at 12:53 PM, John DeBoever wrote: > >> Jason, Wrenches, >> >> Thank you for your patience and positive statements on Trojan Battery >> Company. >> Last week was a busy and I was away from my desk most of the time with >> limited >> access to Internet. >> >> Both the Premium ”RE” versions L16RE-A and L16RE-B, and, the >> Signature L16P & L16H are great deep-cycles lead acid batteries for solar >> applications. The key differences between them are: >> >> ü The grid is thicker for the Premium “RE” L16RE-A and L16RE-B, >> which effectively reinforces further the frame strength which results into a >> greater corrosion resistance; >> ü There is relatively more electrolyte in contact with the plates in the >> Premium “RE” L16RE-A and L16REB, which enhances the electrochemical >> reaction, particularly during PSOC; >> ü The rubber-based multi-rib geometry separator is approx. 30% thicker for >> the Premium “RE” L16RE-A and L16RE-B, which translates into a longer >> life of the separator. The thicker multi-ribs geometry keeps over time the >> acid >> channels open longer, promoting the flow of the electrolyte . As a result, >> the >> thicker separator is reducing the risk of stratification and enhancing >> electrochemical processing throughout the plates, resulting into longer >> continuous performance of the battery. >> ü In the approx. same form factor (except the height), this results into >> more lead per Ah capacity on the L16-RE units nameplate. >> >> As a consequence, the cycling performances of the Premium “RE” is >> 1,600 cycles @ 50% DOD and 4,000 cycles @ 20% DOD. Respectively 1,200 cycles >> # >> 50% DOD, and, 3,000 cycles @ 20% DOD @ 20% DOD, for the L16-P & L16-H. >> >> I hope this helps. Let me know if I can shed further light on other >> attributes of >> lead acid batteries. >> >> Sunniest regards, >> >> John >> >> John F. DeBoever >> Global Technical & Projects Director – Renewable Energy >> Trojan Battery Company >> >> 12380 Clark Street >> Santa Fe Springs, CA 90670 >> Tel: +1-562-236-3000 Ext. 3139 >> Cell: +1-845-514-7600 – NY office time zone: USA EST (GMT-5) >> Skype: john.f.deboever >> Fax: +1-562-236-3239 >> jdeboe...@trojanbattery.com >> www.trojanbattery.com >> >> >> From: re-wrenches-boun...@lists.re-wrenches.org >> [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Jason Lerner >> Sent: Sunday, July 01, 2012 11:26 PM >> To: RE-wrenches >> Subject: Re: [RE-wrenches] Battery Experience >> >> I am back to using Trojan's after 12 years of trying others, none seem to >> last >> as long for the L16's. Could anybody explain the technical differences >> between >> the Trojan L16 and the L16RE-B's. I have read all the brochures but would >> like >> to understand what is going on in there instead of getting the marketing of >> DuraGrid™, MaxGuard® XL separator and Alpha Plus. >> >> Thanks very much, >> >> Jason Lerner >> >> Waldron Power and Light and Co. >> On Jun 29, 2012, at 6:41 PM, Jonathan Hill wrote: >> >> >> Over 20 years experience with them says you can't go wring with Trojan! >> Jonathan Hill, senior system engineer and founder >> >> Sierra Solar Systems >> 563C Idaho Maryland Road >> Grass Valley, CA 95945 >> Celebrating our 32nd year in solar! >> tech info and foreign orders: (530) 273-6754 >> order line: (888) ON-SOLAR (US only) FAX: (530) 273-1760 >> e-mail: <mailto:solar...@sierrasolar.com> >> world wide web: <http://www.sierrasolar.com> >> >> Check out our 2 minute video at: >> http://www.youtube.com/watch?v=WY-0UuabPEk >> >> >> >> On Jun 29, 2012, at 12:42 PM, Dave Palumbo wrote: >> >> >> We have had less than stellar performance out of the Crown L-16’s that we >> installed 4 to 5 years ago. Premature failure is my experience. About 60% of >> the >> cycle life compared to Trojan L-16’s and also Surrette/Rolls. I’ve >> been using those since 1985. >> >> Back to using Trojan. Specifically RE-B’s either L-16, or T-105. And have >> used Trojan Industrial IND 13-6V on one system with good success with >> another set >> ordered. >> >> Dave >> >> From: re-wrenches-boun...@lists.re-wrenches.org >> [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of SunHarvest >> Sent: Friday, June 29, 2012 11:56 AM >> To: RE-wrenches >> Subject: Re: [RE-wrenches] Battery Experience >> >> Just got talked into buying Crown (395Ah@20Hr) as my local rep, "the battery >> expert", was persuasive in his testimony to their reliability. Should've >> consulted wrenches first. >> >> Should I be worried?? >> >> Eric Stikes >> SunHarvest Solar >> +1 (530) 798 - 3738 >> www.harvesthesun.com >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Options & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org >> >> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Options & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org >> >> >> >> This e-mail message and any attachments that accompany it may contain >> information >> that is confidential, privileged, or protected from disclosure. It is >> intended >> solely for the use of the individual(s) to whom it was intended to be >> addressed. >> If you have received this e-mail by mistake, or you are not the intended >> recipient, any reading, disclosure, copying or other use of this >> communication is >> strictly prohibited. If you have received this communication in error, please >> immediately advise the sender at their phone number listed above, or by >> electronic mail, and also permanently delete the original and all copies of >> this >> e-mail and any attachments from all locations. Thank you. >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Options & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org >> > > Sent from Finest Planet WebMail. _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
