They need a bit more than UL to move them around and for fire if a home/commercial also.. --Dave
Reliability & Certification Safety Cell UL1642 Battery Pack CE / RCM / FCC / TUV (IEC 62619) / UL1973 Hazardous Materials Classification Class 9 Transportation UN38.3 (UNDOT) Ingress Rating IP55 Dave > Hello Wrenches, > > Here is feedback on the second life batteries > from Morgan Hager, member of the group who will > be working on the project. I sent her the > information provided by the list, and asked for > more information. Below is her reply. > > ***************************************************************** > Morgan Hager <8welloiledmachi...@gmail.com> > > Thanks for the battery feed back. In > anticipation of used EV batteries coming to the > market in mass, UL has developed specifications > for second life batteries. I am not sure if they > are complete yet, the goal was this year. This > is where I want to start before building. There > are also already commercial products available > using repurposed 18650's so there must be some > kind of benchmark or reference. More research needed. > > Also: > > Here's a good article about this. Not the standards themselves however: > > <https://www.forbes.com/sites/peterdetwiler/2016/08/24/ul-working-to-ensure-used-ev-batteries-safely-re-purposed/?c=0&s=trending#383524bf1365>https://www.forbes.com/sites/peterdetwiler/2016/08/24/ul-working-to-ensure-used-ev-batteries-safely-re-purposed/?c=0&s=trending#383524bf1365 > > One problem I see is that these standards are for > a stationary application and we want to build a > vehicle pack. Still seems a good place to start. > > ******************************************************************* > > It looks like this isn't just a crazy way to blow > ourselves up, but a technology that is in the wings. > any feedback would be welcome. > > Cheers, > > Drake > > Drake Chamberlin > Athens Electric LLC > OH License 44810 > CO License 3773 > NABCEP Certified Solar PV > 740-448-7328 > > > At 05:18 PM 10/5/2017, you wrote: >>As has been said, and very well again by Larry, one needs to know exactly >>what type of Lion chemistry they are dealing with. >> >>Probably the best place to learn at this time is automotive electric car >>hobbyist or the offgrid Prismatic battery folks. >> >>It took me a year to learn enough about the LG Chem RESU10 before I took >>it off the dolly and moved the bolt cutters away from it. >> >>It lives in the garage and has an earthquake strap now as that seems to >> be >>the biggest hazard it presents. Flooding not good either:) >> >>--Dave >> >> >> >>Dave Starlight Solar Power SystemsDave >> > If you are going to play without knowledge, never have these battery >> cells >> > near anything you are not willing to loose to fire. Worst case is you >> burn >> > something that you did not intend to. Might be something cheap or your >> > home and all your possessions or your eyes and skin. If that happens, >> > donât blame the battery. >> > >> > Larry >> > >> > On Oct 5, 2017, at 12:44 PM, Drake >> <drake.chamber...@redwoodalliance.org> >> > wrote: >> > >> > Those are great arc-flash photos. Are we really getting into a serious >> > risk of this sort of situation with a Li-ion battery? What really >> happens >> > in a worst-case-scenario situation with them? How many people have >> blown >> > themselves up to date? :-) >> > >> > Thanks, >> > >> > Drake >> > >> > >> > _______________________________________________ >> > 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 >> > >> > >> >> >>Dave Angelini Offgrid Solar >>"we go where powerlines don't" >>http://members.sti.net/offgridsolar/ >>e-mail offgridso...@sti.net >>text 209 813 0060 >> >>_______________________________________________ >>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 > Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net text 209 813 0060 _______________________________________________ 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
