Hi all, my experiance, is a Lead Acid battery is acceptable under 480 Storage Batteries. 480 is the older article and Lead Acid has been used with great success particularly under 48 volts with no outside disconnect required. 480.7(A&B)
On Tue, Jul 20, 2021, 2:37 PM Eric Smiley <e...@vecoop.ca> wrote: > Sol-Ark says it has UL9540 with Simpli-Phi > https://www.sol-ark.com/battery-partners/ > > You should ask for documentation. > > NFPA 855 and the new electrical code rules are going to change the > off-grid market drastically. > Not only do you need the inverter and battery certified to work together > per UL9540, the charge controller has to be part of the system too - > mixing MidNite, Morningstar, Outback, Magnum, Schneider, Victron, etc. > components will likely be verboten. > To make it more confusing, only one manufacturer - either the inverter/PCU > manufacturer or the battery manufacturer gets the UL9540 listing for the > combination. > > Also, there are apparently no NRTL agencies that are equipped or prepared > to certify lead acid batteries right now. > > The size/threshold limitations in NFPA 855 may pose some problems as well, > since exceeding them either requires UL 9540A cell level certifications, > which few if any battery manufacturers have yet, or I've been told they can > be exceeded if a fire propagation study is conducted on site. But I have no > idea who would be qualified to do that or how much it would cost. > So, it looks like 1 and 2 family dwellings will be limited to 80 kWh of > energy storage if located in attached or detached garages and 40 kWh if in > utility closets, storage spaces, etc. So, ~800 Ah at ~50V appears to be the > limit. And using lead acid batteries seems to be in limbo. > > We are struggling with understanding the implications in Canada as well. > As North America harmonizes standards, UL9540 and UL1973 are actually > ANSI/CAN/UL standards and thus apply in both countries. > > In a nutshell: the inverter/charge controller is listed to UL1741, the > battery to UL1973, and the combination to UL9540. > > Outback systems are UL9540 with SimpiPhi. > Schneider Conext systems are UL9540 with Discover > Magnum doesn't appear to have any UL9540 battery partners > Sol-Ark has a long list on their website. > > > *Eric Smiley,* Project Manager > e...@vecoop.ca > T: 250.703.6004 <+12507036004> > T: 888.386.0116 <+18883860116> > *VIRIDIANENERGY.CA <https://viridianenergy.ca/>* > > * <https://viridianenergy.ca/>* > > > On Tue, 20 Jul 2021 at 11:05, Dave Angelini Offgrid Solar < > offgridso...@sti.net> wrote: > >> Sounds like California Loren? >> >> I use Schneider and they have UL9540 certs. >> >> Here is a link to them and yes I have been asked this locally. >> >> >> https://solar.schneider-electric.com/schneider-electric-solar-and-discover-battery-attain-ul-9540-certification-for-xw-pro-and-aes-batteries/ >> >> >> >> *Dave Angelini Offgrid Solar >> "we go where powerlines don't" >> http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/> >> e-mail offgridso...@sti.net <offgridso...@sti.net> >> text 209 813 0060* >> >> On Tue, 20 Jul 2021 10:22:43 -0700, Lorenzo Ortiz <lore...@cal-solar.com> >> wrote: >> >> Wrenches, >> >> We have recently had an AHJ reject our Solark 12k system with Simpliphi >> batteries stating: >> *"Energy storage systems are required to be listed per UL 9540 per NEC >> 706.5 (See also Annex A in the NEC, under energy storage systems). The >> Sol-Ark system is not listed and tested per UL 9540 but is only listed per >> UL 1741. The complete system (ie. batteries, inverter, and any other >> components associated with the energy storage system) must be listed per UL >> 9540. Please provide documentation and certification sheets (from a >> Nationally Recognized Testing Lab (NRTL)) for both the batteries and SolArk >> inverter to show that all components are tested and certified per UL 9540. >> If it cannot be shown that the batteries are tested and listed with SolArk >> inverters per UL 9540, then such system cannot be installed and a different >> system that is listed and tested per UL 9540 must be chosen for the >> project.* >> >> Have any of you run into this with Solark? Is the plans-checker in the >> wrong about the entire system needing to meet the standard and not just the >> batteries? The code language is kind of confusing. I can't find any >> documentation on Solark's website regarding UL 9540. I know Tesla and >> Simpliphi have recently put out documentation regarding this. >> >> Thanks in advance for your help. >> >> -- >> [image: California Solar Electric Cooperative] >> <https://californiasolarco.com/> >> >> >> Loren Ortiz - Technical Design Specialist >> >> Board Member & Worker Owner >> >> lo...@cal-solar.com | www.cal-solar.coop >> >> Office: (530) 274-3671 >> >> Fax: (530) 477-7571 CSLB #779624 >> >> Showroom: 149 E Main St. Grass Valley, CA 95945 >> [image: NABCEP] <https://www.nabcep.org/> >> >> _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > 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 > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org 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 There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org
