Thanks guys... but if the charger is turning off at a fixed voltage how do I get more power into the pack?
> On 7 Aug 2017, at 05:02, Bill Dube via EV <ev@lists.evdl.org> wrote: > > I agree. Voltage on LFP cells is useless for determining the SOC. > The voltage is very constant except at near 100% SOC and at 0% SOC. > You really need information about the middle, and voltage doesn't give any > clue about that. > > You need to count the amp-hours, like with an E-meter or a Cycle-Analyst. > > Bill D. > >> On 8/6/2017 7:00 PM, Willie via EV wrote: >> >> >>> On 08/06/2017 07:38 PM, Matthew Quitter via EV wrote: >>> Hi Guys, >>> >>> My 1238-6501 Curtis controller gives very different SOC % for similar >>> voltages. >>> >>> For example I've recorded a pack voltage of 82.2 and had the Curtis show >>> 22%, 31%, 43%. >>> >>> The pack is made up of 25 Thundersky 160Ah batteries. >> >> With LFP cells, you can't accurately infer SOC from voltages in the middle >> of the range. The voltage/SOC curve is too flat. >> _______________________________________________ >> 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) > _______________________________________________ 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)
