Hi David, I’m going to disagree. The fortress and EG4 are made by LUX. It says so right on the cover. And I’ve talked to Fortress about this.
Sol Ark is made by Deye Jay > On Apr 10, 2024, at 10:12 AM, david quattro <da...@quattrosolar.com> wrote: > > I have not installed an Fortress yet, but I know they are made by Deye (same > Chinese original manufacturer as SolArk inverters) > Here is a link for an excellent instructional by Steve Higgins @ Rolls - > https://www.youtube.com/watch?v=RJqBULN9MgI&pp=ygUWcm9sbHMgc3VycmV0dGUgaGlnZ2lucw%3D%3D > > <https://www.youtube.com/watch?v=RJqBULN9MgI&pp=ygUWcm9sbHMgc3VycmV0dGUgaGlnZ2lucw%3D%3D> > This assumes that Envy comes with the same programming shortcoming as SolArk, > I don't know. In order to effectively use a SolArk with lead acid batteries > you have trick it. This process takes several iterations checking specific > gravity, which means multiple site visits stretched over perhaps a couple > months. The Absorb setting is ineffectual, so Steve's solution is to employ > the Equalize setting to actually achieve Absorption. Carefully record the > settings (voltage, duration, and frequency) that deliver a consistent > specific gravity in range. On the rare occasions you actually need to > equalize, you do it in person. When equalization is complete you return the > settings back to your curated values. > > > > On Wed, Apr 10, 2024 at 7:28 AM jay via RE-wrenches > <re-wrenches@lists.re-wrenches.org > <mailto:re-wrenches@lists.re-wrenches.org>> wrote: > Can you explain what changes the eg4 18 inverter has vs the Envy as to LA > programming? > > To me the Envy has a big advantage due to it having AGS warm up/cool down > that the EG4 does not. > > Jay > > > > > >> On Apr 10, 2024, at 7:49 AM, Howie Michaelson via RE-wrenches >> <re-wrenches@lists.re-wrenches.org >> <mailto:re-wrenches@lists.re-wrenches.org>> wrote: >> >> John, >> If you are thinking of pairing the Envy with lead-acid batteries, I would >> strongly suggest not doing it. Even though Fortress sales advertises the >> Envy to be compatible with lead-acid, after trying it in my off-grid home, I >> would emphatically say that it is not. The programming is inadequate, to put >> it kindly. And their support really doesn't have a clue about lead-acid - >> Fortress support literally said that they don't recommend pairing the Envy >> with l-a. However, I don't have an opinion about how it does with closed >> loop Li batteries. >> I did recently install an EG4 18k system, off-grid, with the client's >> knowledge that this was a bit of an experiment for me. Both the Envy and the >> EG4 are made by LuxPower and have been, to date, physically and >> programmatically almost identical. I had stayed away from EG4 since it >> seemed to be primarily aimed at the DIY market. However, the 18k appears to >> be a serious contender so far, although this installation is a fairly low >> stress situation. I've been fairly impressed with the system. While this >> 18k is paired with EG4 Lithium batteries, EG4 has been making adjustments to >> the firmware to make it much more friendly to lead-acid. If you decide to go >> this route, check with EG4 (installer support - ask for Jarrett or Colt) to >> see where they are at with upgrading the firmware. >> I am also eagerly awaiting Midnite's AIO entry... >> >> Howie >> >> >> On Wed, Apr 10, 2024 at 9:02 AM John Blittersdorf via RE-wrenches >> <re-wrenches@lists.re-wrenches.org >> <mailto:re-wrenches@lists.re-wrenches.org>> wrote: >> Time will tell where the failure modes are. I still don't like all the >> eggs in one basket. Do you have to send the units back for repair? Had >> enough of that with Trace SW series inverters.. >> For off grid, I'll stick to the tried and true for now. For Grid tie it is >> just a financial hit. For off-grid power loss it is more important to deal >> with right away.. >> >> I am going to try a Fortress Envy at my off grid home but will keep my >> Outback field repairable VFXR wired in just in case. I had a massive >> lightning strike between my house and a guest cabin 1/4 mile away and I lost >> power from my Fortress Eflex battery at the cabin and my Outback inverter at >> my house. I replaced the control board on my inverter ( I always keep one >> in reserve as it is usually the only board failure due to lightning) and >> was back on line in 1/2 hour and Fortress rushed me a new BMS board for the >> E-flex and a day later and a half hour swap had it back in service, Now it >> is a different story with 2 Simpliphi batteries I have from a customer that >> failed. I have to ship them to California to have them evaluated to see if >> we had damaged them by misuse. Lots of expense and time lost. >> >> >> >> John Blittersdorf >> CV Wind Service / Off Grid Vermont >> 802-770-8625 >> >> On Tue, Apr 9, 2024 at 11:43 PM Scot Arey via RE-wrenches >> <re-wrenches@lists.re-wrenches.org >> <mailto:re-wrenches@lists.re-wrenches.org>> wrote: >> Wow, are we in the golden age of inverter/chargers? If it had 200-a.p pass >> thru it would be near perfect. >> >> Begs the question: are stand alone charge controllers becoming a historical >> artifact? >> >> Howard "Scot" Arey >> Owner, Solar CenTex >> 254-300-1228 >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> <http://re-wrenches.org/> >> >> List Address: RE-wrenches@lists.re-wrenches.org >> <mailto:RE-wrenches@lists.re-wrenches.org> >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> <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/re-wrenches@lists.re-wrenches.org/ >> <https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/> >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org> >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> <http://www.re-wrenches.org/etiquette.htm> >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> <http://re-wrenches.org/> >> >> List Address: RE-wrenches@lists.re-wrenches.org >> <mailto:RE-wrenches@lists.re-wrenches.org> >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> <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/re-wrenches@lists.re-wrenches.org/ >> <https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/> >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org> >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> <http://www.re-wrenches.org/etiquette.htm> >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> <http://re-wrenches.org/> >> >> List Address: RE-wrenches@lists.re-wrenches.org >> <mailto:RE-wrenches@lists.re-wrenches.org> >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> <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/re-wrenches@lists.re-wrenches.org/ >> <https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/> >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org> >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> <http://www.re-wrenches.org/etiquette.htm> >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > <http://re-wrenches.org/> > > List Address: RE-wrenches@lists.re-wrenches.org > <mailto:RE-wrenches@lists.re-wrenches.org> > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> > > There are two list archives for searching. 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