On Mon, Aug 6, 2018 at 7:51 PM, Alan Arrison via EV <ev@lists.evdl.org> wrote: > I guarantee that the inferior Chinese cells will change capacity as they are > cycled and not by just a few percent. > > Running them without a BMS is a recipe for disaster. Damaged cells at best, > a fire at worst. > > All the Chinese cells are junk, especially the CALBS. > > Al
I'm so glad my cells didn't talk to you! Manufactured 11/2009, installed and on the road 1/2010. No attached BMS other than split pack voltage monitor since 7/2011 and all 40 cells are doing just fine when checked in 3/2018. End of charge voltage 3.465V held for 45 min during the CV stage with current tapering to 0A. Clearly your abslolute about Chinese cells doesn't fit. Sorry you had a bad experience. -- David D. Nelson _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
