I am having the same problem - same situation. I am going to tweak the efficiency value and see if it helps.
*Eric Smiley,* Project Manager e...@vecoop.ca T: 250.703.6004 <+12507036004> T: 888.386.0116 <+18883860116> *VIRIDIANENERGY.CA <https://viridianenergy.ca/>* * <https://viridianenergy.ca/>* On Fri, 2 Sept 2022 at 11:43, Kirk Herander via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > I’ve never installed simplify batteries. Do they make their own state of > charge monitor? > The trimetric has a perimeter called charge efficiency % You can tweak > that to get it to match the any benchmark more closely. > Also the trimetric should be reset to full on a regular basis, When you > have confidence the batteries are full. All trimetrics drift off over time, > especially given the unique charge characteristics of lithium-ion’s versus > lead acid batteries. > > On Fri, Sep 2, 2022 at 2:32 PM Matt Sherald via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > >> Hello Friends, >> >> I have an off-grid customer for whom I recently installed some SimpliPhi >> 3.8kW batteries. This is an older system and it has a Trimetric battery >> monitor that the homeowners have used for years to keep an eye on their >> battery bank. >> >> The SimpliPhi batteries appear to be working fine at the site, but the >> homeowners feel uneasy b/c the Trimetric is reporting that they are >> finishing each charging cycle with an amp-hour deficit. The voltage of the >> SimpliPhi batteries indicate that they are getting fully charged and are >> doing so fairly early in the AM (solar is the primary power source). >> >> I've spoken with SimpliPhi tech folks and their hunch is that the >> Trimetric is not reporting correctly. They suggested that a Victron >> BMV-712 would be more accurate at tracking Percent Full etc... >> >> Do you folks think that the Victron is better at counting Ah in/out for >> Li batteries? Or is the Trimetric adequate - do I maybe just need to >> adjust the settings? >> >> Anyway, the implication that the Victron BMV was better at monitoring Li >> batteries has me curious and I will enjoy hearing what the group thinks. >> >> Thanks for your time! >> >> -Matt >> >> >> >> -- >> Matt Sherald >> PIMBY Energy, LLC >> 304-704-5943 >> >> www.getpimby.blogspot.com >> www.getpimby.com >> >> _______________________________________________ >> 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 >> >> -- > > *Kirk Herander / **kirkh@vermont.solar <kirkh@vermont.solar>* > > *Owner|Principal, VT Solar, LLC* > > *Celebrating our 31st Anniversary 1991-2022!!* > > *www.vermont.solar* > <https://nam02.safelinks.protection.outlook.com/?url=www.vermontsolarnow.com&data=02%7C01%7C%7C9f0330d75a244870112408d685311841%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636842843233477645&sdata=0NjyuKeQbEK6245SNnk8X4XnP9Q%2B%2BqtvcALkdDghvk4%3D&reserved=0> > > dba Vermont Solar Engineering > > 802.863.1202 > _______________________________________________ > 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