What, as a matter of interest, is an acceptable amount of resistance in a battery or cell terminal connection? MW
On 17 Aug 2014, at 00:48, EVDL Administrator via EV wrote: > On 16 Aug 2014 at 14:04, Lee Hart via EV wrote: > >> The technique has been described many times on the EVDL. It must be in >> the archives somewhere. Before I type it all in yet again, maybe we can >> find it? > > Here's one method. > > http://www.evdl.org/archive/index.html#nabble-td4657626|a4657642 > > Just to be clear, he means you should measure voltage drop across the > intercell link cable or strap, NOT across the cell or battery itself! > > I usually measure the voltage drop from the center of the battery post to > the clamp itself. That's easy with lead batteries - there's lots of post > area for contact. I don't know whether that's the case with your lithium > cells. But the principle remains - pass a known current through the > connection and measure the voltage drop. Calculate the resistance (if you > care) with Ohm's law. Or just look for connections with exceptionally high > voltage drop. > > David Roden - Akron, Ohio, USA > EVDL Administrator _______________________________________________ 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)
