HI Todd, Thats not my understanding.
VRLA batteris come just like FLA, cycling and non cycling. I can’t speak to the non cycling as I don’t use them. But cycling VRLA are lead/antimony, not lead calcium. jay peltz power > On Dec 17, 2015, at 8:56 AM, toddc...@finestplanet.com wrote: > > as i understand it agm batteries are lead calcium. my personal experience has > shown me that lead calcium is THE battery for ups systems. > > to reiterate previous emails about this: > i have two grid tied systems here at home, both with battery backup (outback > gvfx series) inverters. one has 1986 vintage, flooded lead calcium made by > "globe battery", still going strong after 29 years! the other system has > newer, 2008 vintage flooded lead calcium batteries made by surrette (fc-420). > > i add water every 3 to 4 years, equalize every 6 months to mitigate > electrolyte stratification and clean the tops every spring. > > this thread was about off grid batteries, but for grid tie... > > todd > > > > >
_______________________________________________ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
