Regarding thawing frozen batteries be real careful they can take an incredibly long time to thaw .
Lotta lead there to get up to temperature it is not in a hurry Just my .02 ! Bob > On Dec 3, 2015, at 1:54 PM, Dan Fink <danbo...@gmail.com> wrote: > > Yes, you MUST thaw them completely first before trying anything, Sorry, I > thought that went without saying. > Good point on the cost-benefit analysis, but when the cost of transportation > of a new battery bank and removal of the old exceeds the retail price by 2 - > 10x, it's worth trying. If the client can just drive an hour to Sam's Club > and buy another set, a $600 service call is likely not worth it. Just direct > them to the Battery University website and wash your hands of it. > > Dan Fink > Adjunct Professor, Ecotech Institute > IREC Certified Instructor™ for: > ~ PV Installation Professional > ~ Small Wind Installer > Executive Director, Buckville Energy > NABCEP Accredited Continuing Education Providers™ > 970.672.4342 > > > >> On Thu, Dec 3, 2015 at 9:14 AM, d...@solarwork.com <d...@solarwork.com> >> wrote: >> My experience with frozen batteries has ranges from plates being pushed >> around and consequently shorting to literally the size of the battery being >> broken open. >> The first rule is never try to charge a frozen battery the battery needs to >> be thawed first before even attempting to charge I have stop trying to >> revive batteries that are that far gone. >> >> Dana Orzel 208.721.7003 >> Encourage Free Thinking Self Responsible Free Range Children >> >> On Dec 3, 2015, at 7:00 AM, Feather River Solar Electric <i...@frenergy.net> >> wrote: >> >> Hey Folks, >> >> I came across an off-gridder yesterday whom was getting zero support >> from the dealer he had purchased his small system from, self installed, >> batteries in a lightly insulated box outside. When I inspected the >> electrolyte levels I discovered it was frozen in some cells, the voltage of >> the 48 volt pack was ~8 volts, I didn't check individual batteries due to >> these facts...I'd seen "enough". Recently temps have been in the high >> teens, though we are back up to low 30's. >> >> He does not have a genny or battery charger! I have a DC genny which >> I could use to charge these batteries but should I waste my time and his >> money trying to save them? Others' experience with this situation? >> >> TIA, >> >> Bill >> <FRS_working_logo, 50%.JPG> >> -- >> Feather River Solar Electric >> Bill Battagin, Owner >> 4291 Nelson St. >> Taylorsville, CA 95983 >> 530.284.7849 >> CA Lic 874049 >> www.frenergy.net >> _______________________________________________ >> 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 >> >> >> >> _______________________________________________ >> 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 > > _______________________________________________ > 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 >
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