That is with Discover batteries. Sent from my iPhone
> On Feb 10, 2023, at 8:34 AM, Dave Angelini Offgrid Solar via RE-wrenches > <re-wrenches@lists.re-wrenches.org> wrote: > > Agree Will and adding that for generator users closed loop will save 25% or > more on fuel. > > I know alot of you folks do not use Schneider but it is so easy to close loop > for offgrid. You just plug Xanbus into one battery and the whole group gets > closed loop charged and discharged by XW and its chargers. It is the only > Battery that does this with Schneider xanbus. > > No data to enter! Ever! Been using this since just after the 48 V LG failed > beta testing with Schneider in 2017. > > Dave Angelini Offgrid Solar > "we go where powerlines don't" > http://members.sti.net/offgridsolar/ > e-mail offgridso...@sti.net > text 209 813 0060 > > >> On 2023-02-10 5:15 am, White, Will via RE-wrenches wrote: >> >> Ray, >> >> >> >> I can't speak to the Fortress product, but Discover will do what they call >> "dynamic charging" in closed-loop installations. Basically, the BMS will >> tell the power electronics how to charge the battery, which will lead to a >> better charging cycle. For example, if the batteries are discharged, and >> their cell temperature is low, the BMS will push the charging voltage above >> what the recommended setting would be in an open loop setup. >> >> >> >> I saw David Norman give a presentation about this topic at the NABCEP >> conference last year. It was very insightful. >> >> >> >> Here's a short article about it: >> https://blog.discoverbattery.com/benefits-of-closed-loop-charging-with-lynk >> >> >> >> Thanks, >> >> Will >> >> >> >> >> >> From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> On Behalf Of >> Ray Walters via RE-wrenches >> Sent: Thursday, February 9, 2023 5:35 PM >> To: re-wrenches@lists.re-wrenches.org >> Cc: Ray Walters <r...@solarray.com> >> Subject: [EXTERNAL] [RE-wrenches] Solark-Fortress Com? (was Fortress Battery >> Heater) >> >> >> >> CAUTION: This email originated from outside of the organization. Do not >> click links or open attachments unless you recognize the sender and know the >> content is safe. >> >> >> >> Hi Chris; >> >> That's not for the eVault. Other Wrenches have mentioned using a pet >> heating pad with a 120 vac plug in thermostat. I'm going to try that, I'll >> report back to the list what I find. >> >> Secondly, I am having issues figuring out how to do the closed loop coms. >> The Fortress instructions contradict themselves on how to even make up the >> proper CANbus cable, as apparently MODbus is not stable anymore, after the >> latest Solark firmware upgrades. I'm about to just apply the KISSbus, >> which is to blow off the closed loop com all together, and Keep It Simple >> S#@$%!, otherwise known as No Coms at all. >> >> I've screwed with Com stuff since the 90s, but usually been disappointed, to >> downright horrified with the final results. Somebody explain to me like a 2 >> year old again, why closed loop is so much better? Think off grid, where >> reliability is 10 times more important than squeezing an extra 5% capacity >> out of the battery.... Notes in the online instructions such as "Failure to >> properly upgrade the firmware may cause the battery to stop working!", are >> not making we want to push ahead with closed loop either. >> >> Ray >> >> On 2/9/2023 11:01 AM, Chris Schaefer via RE-wrenches wrote: >> >> Ray, >> >> >> >> I'd suggest reaching out to the Fortress techie's as they just introduced a >> heater product for their enclosure products. While I don't believe they have >> a unit specif to the eVault but you should be able to make it work. >> >> >> >> Christopher >> >> >> >> On Wed, Feb 8, 2023 at 6:43 PM Jerry Shafer via RE-wrenches >> <re-wrenches@lists.re-wrenches.org> wrote: >> >> Pet heater have worked for me, I air gap a sealed heater box under the >> battery, thermostat inside the top of the battery. It's slow and low power >> but does the trick >> >> Fun times >> >> >> >> On Wed, Feb 8, 2023, 3:05 PM Ray Walters via RE-wrenches >> <re-wrenches@lists.re-wrenches.org> wrote: >> >> Hi All; >> >> I have a fresh Fortress Evault installation with a Solark inverter. The >> batteries are indoors in the center of the house, but the customer is >> not there full time, so the battery is unfortunately going below >> freezing. What are the best options for setting up a heating system for >> the E Vault? >> >> Here are ideas that I have not tried, but am considering: >> 1) add a 240 v, 1000 w baseboard heater in the room near the battery >> that is wired to only run off the generator. Run the generator until >> the heat comes up, and then hopefully after 30 minutes, the battery >> would begin accepting a charge. >> >> 2) Add an 120 vac heating blanket under the evault that would be wired >> to a thermostat, but also have a relay control from the PV system, so >> that the heater would only operate when the sun was out, and the battery >> was below 50F. I don't quite know how to set this up with the Solark's >> load controls. >> >> I've considered some DC options, but they don't make much sense, since >> the inverter has to be on to charge from PV anyway. >> >> The long term plan is for the client to finish the insulation, and sheet >> rock, and add a gas wall heater in there as needed. >> >> Thanks, >> >> Ray Walters >> Remote Solar >> in the Colorado mountain cold..... >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> 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 >> >> 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/ >> 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: RE-wrenches@lists.re-wrenches.org >> >> 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/re-wrenches@lists.re-wrenches.org/ >> 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 >> >> >> >> >> >> -- >> >> Chris Schaefer's >> <blocked.gif> >> Tel/Fax 585-229-2083 or Cell 585-748-1870 >> 5115 South Hill Road ~ Canandaigua New York 14424 >> www.solarandwindfx.com ~ E-mail: ch...@solarandwindfx.com >> >> <blocked.gif> >> >> Thomas Jefferson, the author of our great Constitution, once said, >> "democracy" will cease to exist when you take away from those who are >> willing to work and give to those who would not." >> >> >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> 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 >> >> There are two list archives for searching. 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When one doesn't work, try the >> other: >> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ >> 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: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. 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