HI Ray, Thanks for catching my mistake. I know its 1500 cycles.
Yep totally with you on independent testing, we need it for everything! thx again jay > On Dec 13, 2015, at 9:39 AM, Ray Walters <[email protected]> wrote: > > Hi Jay; > > > Actually the Outback RE High Capacity batteries are rated at 1800 cycles at > 50% DOD, not 80%. > The Discover is rated at an "amazing" 2950 cycles at 50% DOD, but the same > brochure has a chart of cycles vs temperature and at 25 C they are a bit > under 2000 cycles at 50%, which is closer to the Outback. I suspect that > they also performed their testing at very slow discharge rates, as they don't > have to conform to BCI procedures in Canada. > I'm tiring of manus that are trying to cheat on the numbers: amp hour ratings > at high temperature and slow discharge rate, cycle life at cold temperatures > and short DOD. I really see a need for independent testing of batteries by a > third party on a level playing field. > > R.Ray Walters > CTO, Solarray, Inc > Nabcep Certified PV Installer, > Licensed Master Electrician > Solar Design Engineer > 303 505-8760 > > On 12/12/2015 10:59 AM, jay wrote: >> HI Ray, >> >> Not really that unique. >> >> Most industrial VRLA are pretty close. >> >> Just a quick check of the Outback site, has their RE version at 1500 cycles >> at 80%DOD >> and OPzV at 1800 cycles. >> >> Unigy, and Absolite 2P are going to right there as well. >> >> jay >> peltz power >> >> >>> On Dec 12, 2015, at 9:41 AM, Ray Walters <[email protected]> wrote: >>> >>> Anyone heard of or used Discover Batteries? >>> http://discover-energy.com/products/advanced-tubular-batteries/ >>> They have a sealed lead acid battery that they are claiming 1900 cycles to >>> 80% DOD. >>> Sounds amazing, but.... >>> They are head quartered in Canada, and I'm having a hard time getting info >>> on them, but a Canadian customer is going to use them and knows other folks >>> that are having success with them. >>> >>> -- >>> R.Ray Walters >>> CTO, Solarray, Inc >>> Nabcep Certified PV Installer, >>> Licensed Master Electrician >>> Solar Design Engineer >>> 303 505-8760 >>> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: [email protected] >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/[email protected]/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: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/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: [email protected] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/[email protected]/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
