Yeah, I don’t know why they would change their recommendation; people might have been complaining about the limited range when only charging to 80-90%.
corbin > On Oct 4, 2016, at 10:12 AM, Mark Hanson <[email protected]> wrote: > > Thanks Corbin > If that's the case I wonder why Nissan dropped the less than 100% requirement > from the newer 2014 and up vehicles? I guess I don't understand why fully > charging and equalizing the cells would hurt battery life. Maybe just a hang > on from the lead days :-). > Mark > > Sent from my iPhone > >> On Oct 4, 2016, at 10:25 AM, Corbin Dunn <[email protected]> wrote: >> >> Lithium cells (of all chemistries) seem to have the fastest degradation when >> they are charged to 100% on a regular basis. The general consensus is to >> keep it in the 20-90% range. This is also what Tesla recommends for the >> Model S / X. >> >> I’ve also been charging my LiFEPo4 cells in my VW bug to 100% on a regular >> (near daily) basis. I’ve had a few cells prematurely die; like loosing >> 30-40% capacity (200Ah thunder skys). The others seem “okay”, but some are >> dipping lower in voltage under load, and probably have lost some capacity; >> I’ve been charging them up a bit with a single cell charger, as balancing at >> the top seems too rough on the cells. I’ve also got about the same mileage: >> 46,000. >> >> corbin >> >> >>> On Oct 4, 2016, at 7:19 AM, Mark Hanson via EV <[email protected]> wrote: >>> >>> Hi folks >>> In my 2013 leaf manual it says to not fully charge each cycle and only to >>> 80 percent is preferred but in 2014 it became ok to fully charge. The >>> chemistry is the same NMC nickel manganese cobalt cathode with a lithium >>> electrolyte and a graphite anode. So did Nissan get it wrong? Is it ok to >>> plug it in on short 15 mile trips each time? I do that on my Ghia that has >>> 45k miles on LiFePo4 batteries and still ok equalize on each charge with >>> balancers like the Leaf does. >>> Best regards >>> Mark Hanson >>> >>> Sent from my iPhone >>> _______________________________________________ >>> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >>> http://lists.evdl.org/listinfo.cgi/ev-evdl.org >>> Read EVAngel's EV News at http://evdl.org/evln/ >>> Please discuss EV drag racing at 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 Read EVAngel's EV News at http://evdl.org/evln/ Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
