Hard/expensive enough to get home insurance offgrid with lead Acid. I can imagine the policy for used car batteries in the garage :) It might reach the do-it yourself experimenters though. They are fearless in their remote power buildings on U-tube. --Dave
Dave > Form my vantage pointâ¦. > > Whether UL is involved in the re-purposing of Lithium Ion batteries or > not, this will not reach to the DIY market for used batteries. With all > the interest in saving money and the growing availability of wrecked EV's > with good battery packs, this DIY battery issue is seeing explosive growth > (pun intended). Really, I get calls weekly for advice. > > Just today I had a call from someone buying a wrecked Chevy Volt 18kWh > battery pack. He said a âguyâ takes these apart and makes 48 packs for > people. Thatâs all he knew. He wanted us to build a PV solar charging > system and connect to his cheap Li-ion battery. I was nice. NO WAY would I > touch it. > > People sometimes handle rattlesnakes. No matter how skilled you are, you > might still get bit. Putting used lithium batteries in service is risky. > Of course you can learn all about batteries and the risks and mitigate > much it, but when will you KNOW 100% that a used battery is safe? Damage > can happen to a Li battery that you canât tell by testing. It seems to > be normal but can burst into flames without any external action on it. > This can happen to a damaged cell just sitting on a shelf. > > You can find stories of people skilled with li-ion batteries that have had > fires. All Li cells are Federally regulated by 49 CFR. Even though that > regulation spells out sever penalties, thousands of batteries are being > illegally shipped every day. I know this. > > Hereâs something for people to think about from the FAA: For > âaggravatedâ hazmat violationsâthose that result in death, serious > illness, severe injury or substantial destruction of propertyâthe civil > penalty to $182,877 per day, per violation. Just offering a Li-ion battery > for shipment without the proper papers is a $20,000 fine per shipment. > How many eBay sellers know this? > > Re-purposing - yes, with good understanding and extreme caution in the > application. > > Larry Crutcher > Starlight Solar Power Systems > > > > > > > On Oct 19, 2017, at 2:05 PM, Drake <drake.chamber...@redwoodalliance.org> > wrote: > > 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 > > > > _______________________________________________ > 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
