No experience with the Hup cells. I avoid all of the HC batteries in power systems because they generally have a stronger electrolyte and a shorter cycle life. Something like between 350 cycles v/s 400 cycles for the standard L-16's.
I have a big set installed that fully charged is between 1.315 and 1.325 SG. That's what the school district wanted for the unit. Had to get a special hydrometer to read them. Later, Bob From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Jeff Wongstrom Sent: Sunday, July 01, 2012 5:55 PM To: RE-wrenches Subject: Re: [RE-wrenches] Battery Experience I have had bad luck with Trojan batteries that were installed 3-5 years ago having had several premature L16 failures. Some of the batteries had one cell fail within 1-2 years. Most of the batteries were well cared for and most were the HC model. Prior to the HC model I had good luck with Trojan batteries sometimes seeing 10-12 year life spans. Maybe the RE-B are a better battery than the HC but I am eager to try a different manufacturer. I have had good luck with Solar One batteries but they are a hard sell. Jeff Jeff Wongstrom NABCEP Certified 406.291.3416 Check out the new website: www.thirstylakesolar.com On Jul 1, 2012, at 3:29 PM, bob ellison wrote: I will put on my flame suit and just say that Trojan seem to outlive the batteries listed below. With all things the same, I have on several occasions replaced 10-12 year old Trojan L-16's with Deka's and the Deka's lasted 3 years in the same place with exactly the same customers, equipment and assumingly the same care. Stick with Trojan's you just do not have to carry them to the battery box so often. No real experience with Surrettes but know other dealers who have, some are hard to get full charged. I avoid the following in no real order, Interstate Exide Dynasty Deka (I do use their 2 volt cells to build big battery banks with good results) Sam's club (from whoever the builder is this year). Bull Dog, industrial cells, long story. They failed in 6 months in a Zamboni. Avoid any Chinese battery. Add any others that come to mind, I just got done with a 2250 mile drive in 2 days and my mind is mush. I can list more but the mind is just not up to it, between the miles and 106 degree temps I'm toast! Later, Bob Ellison From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Jonathan Hill Sent: Friday, June 29, 2012 9:41 PM To: RE-wrenches Subject: Re: [RE-wrenches] Battery Experience 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> <http://www.youtube.com/watch?v=WY-0UuabPEk> 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
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