Who did you buy them from? Rush www.TucsonEV.com
> -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf > Of Al > Sent: Sunday, April 20, 2014 7:42 PM > To: Electric Vehicle Discussion List > Subject: Re: [EVDL] self-discharge of CALB 180Ah LiFePO4 cells > > I have to agree with Cruisin. I took a chance on Lithium with CALB cells, and > man have I got burned. My pack is just shy of 2 years old. It has been very > lightly used for only 10,000 miles and perhaps 200 cycles. The cells are > supposed to be 100Ah. Even when new I bench tested a few at .3C and only got > 95Ah. Now the pack is below 80AH according to my BMS. At this point I have no > idea what my range will be each time I drive as I have had several cells lose > 25% capacity out of nowhere. So much for the cheaper than lead mantra. > > 1000+ cycles - Not a chance > 100,000 miles - You're kidding right? > 10 years - In your dreams. > > Al > > > CALB cells (and many others) are typical Chinese junk. > ----- Original Message ----- > From: "Cruisin" <[email protected]> > To: <[email protected]> > Sent: Sunday, April 20, 2014 7:05 PM > Subject: Re: [EVDL] self-discharge of CALB 180Ah LiFePO4 cells > > > > After selling CALB cells for over 5 years and using them in my own > > conversion, I can tell you from experience the following. At least 15% of > > the cells will change so much in the first year the BMS will react to your > > disadvantage of early charging termination and early over discharging. A > > one > > year warranty that is promised is hocus. the second year will experience a > > 10% failure with no warning of a cell. This makes your car unusable. > > Further > > experience with other Chinese cells is no better, or worse. I now sell and > > use the Nissan Leaf module that is half the price and so far no failures > > like the CALB. I would not ever recommend a CALB cell to any customer. > > Those > > that are pushing the cells like EVTV have inventory they want to unload > > before their is no more demand for Chinese cells. My customers who have > > converted to the Volt and Leaf cells, made by the same S Korean > > manufacturer, are really happier with the results. No more stagnant at > > rest > > loses that you have experienced. Look at what cells are used in the > > popular > > plugin cars that are required to provide a 8 year warranty in California, > > no > > Phosphate. CALB would be out of business if required to provide a 8 year > > warranty. They don't even recognize their one year warranty. You wonder > > why > > you are having problems, wake up and smell the coffee. > > _______________________________________________ > 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) > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2014.0.4569 / Virus Database: 3882/7371 - Release Date: 04/20/14 _______________________________________________ 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)
