Thanks for the info - apologies for missing this info before.
-ben www.evalbum.com/4001 On Apr 23, 2013, at 10:31 PM, Bill Dube <billd...@killacycle.com> wrote: > As I have mentioned before, the terminals need to be cleaned with sand paper > (or a flap sanding wheel in a 4 inch grinder, carefully.) Then you need to > apply a very light coating of NoAlOx to the terminals and to the bus bars. > Just a thin film of coating is fine. > > NoAlOx is the black goop that electricians use for aluminum wiring > connections. They sell it in the hardware store. > > You need to sand the terminals because at least one of them is made from > aluminum. It gets an oxide layer on it almost immediately. Aluminum oxide is > a very good insulator, (unlike copper oxide which is a conductor, mostly.) > > Bill D. > > At 09:10 PM 4/23/2013, you wrote: > > >> Hey All, >> >> I've been battling low voltage on my cells and was convinced I had a bad >> cell. I ordered 4 cells >> as spares (since the blue CALB 130 Ah cells are being discontinued). >> >> Well, I replaced once cell and in doing so, decided to clean the copper >> jumpers at the same time >> (there was a slight bit of blackness on one of the copper jumpers.) >> >> After driving, I found another cell that was dipping to around 2.6V. I >> decided to clean the >> copper jumpers using my bench grinders wire wheel. I re-installed and my >> drop improved to 2.8V >> under ~300 amp loads. >> >> So now I'm thinking I need to clean all 50 of my jumpers and I'd like to put >> something on the joints. >> I've found some old threads on the matter. It seems like a good idea to put >> some kind of joint compound >> in there since one of the CALB battery terminals is aluminum and will want >> to oxidize. I'm thinking >> of using this stuff: >> >> http://www.amazon.com/Noalox®-Anti-oxidant-Compound-Oz-Bottle/dp/B0019KHHRE >> >> any thoughts? >> >> thanks! >> >> -ben >> www.evalbum.com/4001 >> >> >> >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: >> <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20130423/3f0d3262/attachment.htm> >> _______________________________________________ >> 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) > > _______________________________________________ > 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) > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20130423/77dfc469/attachment.htm> _______________________________________________ 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)