Hi Hugh, The other thing to consider with heat is that higher temperatures while increasing capacity also decrease life ( more active chemical reactions, and conversely lower temps increase battery life.
jay peltz power On Apr 24, 2011, at 12:19 AM, Hugh wrote: > So maybe we should be heating our batteries up to get more energy/capacity > out of them :-) Better tell Roy's customer to turn off his AC. > > I did read a serious design document that told me I should heat battery > compartments to 25 degrees C in order to maximise performance but I decided > not to do that in my arrogant way. I decided I knew better how to design an > efficient battery system than the experts who wrote this particular standard. > That was around the time I decided to give up adhering to standards and > being an accredited installer. > >> >> >> "The normal operation temp is 77-80°F. Lower than normal temps. will reduce >> capacity, slightly extend life, require a higher recharge voltage, & cause >> SG readings to be adjusted down. HIGHER TEMPS HAVE THE OPPOSITE EFFECT". > > > -- > Hugh Piggott > > Scoraig > http://www.scoraigwind.co.uk > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
