Michael, I think you are confusing self-discharge with the concern about loss of capacity. Self-discharge means that a cell is losing part of its stored energy (which shows in lower voltage) but this can be replenished by charging it again. Voltage has *nothing* to do with loss of capacity, which is what all Leafs are suffering from, but those in hot areas more so than others. Loss of capacity means that the cell is no longer able to store as much energy, so even while you fully charge a cell, it can deliver less energy because "the bucket has shrunken". Capacity can only be measured by (dis)charging cells and measuring Ah.
Cor van de Water Chief Scientist Proxim Wireless Corporation http://www.proxim.com Email: [email protected] Private: http://www.cvandewater.info Skype: cor_van_de_water Tel: +1 408 383 7626 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Michael Ross Sent: Wednesday, March 05, 2014 12:28 AM To: Electric Vehicle Discussion List Subject: Re: [EVDL] Lithium for the Price of Lead - Sort of Lee, I watched the most recent EVTV installment and they unpack the first packs at their shop. The batteries were only imperceptibly less than their nominal 4.0V at full charge. I think you could wrangle some sort of confidence out of EVTV that they are good packs. They have to provide some sort of assurances even at the low price they are asking. I think so anyway. When you buy the pack you get some other not inconsequential pieces like a big assed safety switch and some large contactors. Watch the video, long as it is. See what you think. On Wed, Mar 5, 2014 at 2:08 AM, Lee Hart <[email protected]> wrote: > David Chapman wrote: > >> If not for lack of funds I would love to have 2 of these for my G-van. >> > > Same here: I'd love to have a lithium pack for my EV! The big question in > my mind is whether they are any good. They are being sold as-is, without > warranty. I've been burned before on such battery "deals". > > I'll have to wait for someone else to go first, and tell us what they > actually get. > > -- > Ingenuity gets you through times of no money better than money > will get you through times of no ingenuity. -- Terry Pratchett > -- > Lee Hart's EV projects are at http://www.sunrise-ev.com > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/ > group/NEDRA) > > -- Put this question to yourself: should I use everyone else to attain happiness, or should I help others gain happiness? *Dalai Lama * Tell me what it is you plan to do With your one wild and precious life? Mary Oliver, "The summer day." To invent, you need a good imagination and a pile of junk. Thomas A. Edison<http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html> A public-opinion poll is no substitute for thought. *Warren Buffet* Michael E. Ross (919) 550-2430 Land (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone (919) 631-1451 Cell (919) 513-0418 Desk [email protected] <[email protected]> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140305/2d30 fa9b/attachment.htm> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA) _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
