On this topic - reconditioning Prius packs. During the visit I am making tomorrow to the Prius repair classes at Blue Ridge Community College... what questions do you think I should ask them there to see how they are managing their repairs of Prius packs?
The answers might be interesting to Dennis Pestka as well. On Mon, Nov 17, 2014 at 10:15 AM, EVDL Administrator via EV < [email protected]> wrote: > From the webpage description, it sounds like they know what they're doing, > though I have no way to judge whether they're using appropriate criteria > for > deciding which modules are defective. > > Alas, any time you fix a declining EV battery by replacing the worst cells > or blocks, rather than all of them, you have no way to know what other > cells > or blocks might turn toes up next week, next month, or next year. > > I've done what they describe with lead EV batteries, replacing blocks as > they fail. With that situation it's mostly a losing game, because once a > couple blocks die, the rest usually aren't far behind. > > Coincidentally, this is a NiMH question I'm facing too. I have a 36v 10ah > NiMH e-bike battery here that's on its last legs. I've been debating > whether > to (a) replace just the bum cells and see how it goes, (b) replace all the > cells, or (c) gut the battery and try lithium cells instead. ("Tenergy" > brand tabbed D-size cells are around $9 each plus shipping; other brands > are > much more expensive, if you can even find them with tabs.) > > I'll be interested to hear from anyone who has experience doing this with > NiMH in EVs. > > David Roden - Akron, Ohio, USA > EVDL Administrator > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > EVDL Information: http://www.evdl.org/help/ > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > Note: mail sent to "evpost" and "etpost" addresses will not > reach me. To send a private message, please obtain my > email address from the webpage http://www.evdl.org/help/ . > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > > > _______________________________________________ > 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/20141117/1972f599/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)
