Thanks for your reassurance, David and Evan. I'll try charging them in a 24-battery string, and see what happens!
> From: "EVDL Administrator" <[email protected]> > > On 31 Mar 2014 at 2:54, Jan Steinman wrote: > >> he person I got these batteries from fried individual batteries -- I >> mean internally melted! -- by charging them to spec in a 144V string! > > I've heard of this happening from gross overcharging, but NEVER when they > were "charged to spec" (in accordance with Saft's specifications). > > I don't recommend it, but you can gas these batteries all day at 7 amps with > no significant harm, just like you can trickle charge small (AA-D) NiCd > cells forever with little or no effect on cycle life. > > There were problems with early STM5-100MRs and I think also with STM5- > 140MRs. When used at anything over 2C5 to 2.5C5, the separators would fail, > IIRC, often with catastropic results. However, Saft STM5-180s are strudy > batteries. > > You do not need regulators at the battery or cell level. :::: The problems of energy use are not technical but cultural. Americans want speed, acceleration and big cars. -- Pat Murphy :::: Jan Steinman, EcoReality Co-op :::: _______________________________________________ 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)
