On 13 Aug 2013 at 18:35, Steve Powers wrote: > Any further thoughts on the Crown CR-GC150 vs Trojan T-1275Plus?
I remembered some discussion of Crown batteries, so I dug down into the EVDL archives. Most of this is from 2008. >From Roger Stockton: "Crown seems to make a decent battery, but you need to properly charge it or it will not perform well at all. "Two things I've noticed with the Crowns is that it is normal (I am told it is a residue from the manufacturing process) for there to be some sort of black residue in the electrolyte (almost tar-like), though it seems to be more evident when they are new and/or not being fully charged, and that they may not charge fully when using a charger that uses a dV/dt termination criterion (the voltage goes flat well before the battery is fully charged)." >From Mike Willmon : "I have a set of the Crown CR225's in the Electrabishi right now and they seem to perform about as I expected. I limit to 300 amps and 350 is about as high as you can practically pull from them without sagging them down too far." >From Norm Woodward: "I have Crown batteries in my Xebra ... Let's just say that whatever brand of battery you are thinking of buying make sure that the charger you are planning to use is approved by the battery manufacturer or they may refuse to honor your warranty." >From Larry Pratt: "I am currently using them in my EV .. I only had 2.5 months of runtime before the cold hit ... I have replaced 2 of them with no hassle. I don´t know what the failure rate on lead acids are but I am feeling good about my purchase." >From Larry Pratt, about 8 months later: "Brand:Crown Model:cr-222 Volts:6 # of failures in first year:4" David Roden - Akron, Ohio, USA EVDL Administrator = = = = = = = = = = = = = = = = = = = = = = = = = = = = = EVDL Information: http://www.evdl.org/help/ = = = = = = = = = = = = = = = = = = = = = = = = = = = = = Note: mail sent to "evpost" and "etpost" addresses will not reach me. To send a private message, please obtain my email address from the webpage http://www.evdl.org/help/ . = = = = = = = = = = = = = = = = = = = = = = = = = = = = = _______________________________________________ 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)
