Thanks, Jay! It's a Li battery.
While Iron Edison is no longer in business, I believe that ReLion offers a very similar battery. I'll give the charger a try. -Matt On Tue, Jul 14, 2026 at 11:34 AM Jay via RE-wrenches < [email protected]> wrote: > This the nickel iron battery correct? > > You’ll need a charger like iota or lithium back start type which you just > hook up direct. > > A short cut is to turn off the dc loads side of the system and hit the > battery with PV volts directly. Then once the battery has enough volts to > start the CC, it’ll start charging. > > There must be some dc loads on which drained the batteries. > Hard to know if they are dead. They are hard to kill but not impossible. > > Good luck > > > > On Jul 14, 2026, at 8:59 AM, Matt Sherald via RE-wrenches < > [email protected]> wrote: > > > > > > Hello, > > > > Has anyone tried to bring an Iron Edison IE48V200 or similar IE model > back to life? > > > > I've worked on this particular off-grid system intermittently over the > years. Recently, the owner arrived for a weekend at the cabin and > discovered no lights on any of the electronics or on the IE battery. The > cabin had not been used for six or eight weeks. > > > > I disconnected the battery from the system and read the terminals with a > DMM. There appears to be 2V. Is this a heartbeat? Can I connect a 48V > charger and hope to get it back up and running? > > > > This is the only IE that I've encountered. I am grateful for any help > (I believe the manufacturer is out of business). > > > > -- > > Matt Sherald > > PIMBY Energy, LLC > > 304-704-5943 > > > > > > > _______________________________________________ > > List sponsored by Redwood Alliance > > > > Pay optional member dues here: http://re-wrenches.org > > > > List Address: [email protected] > > > > Change listserver email address & settings: > > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > > > There are two list archives for searching. When one doesn't work, try > the other: > > https://www.mail-archive.com/[email protected]/ > > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > > > List rules & etiquette: > > http://www.re-wrenches.org/etiquette.htm > > > > Check out or update participant bios: > > http://www.members.re-wrenches.org > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > > -- Matt Sherald PIMBY Energy, LLC 304-704-5943
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: [email protected] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/[email protected]/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org

