<div dir="ltr">Dave, All,<div>Their website is up. And historical data is available amongst lots of things not viewable on the phone app or the inverter front panel.</div><div>Here's a screenshot in the data tab - <a href="http://www.envy.fortresspower.io">www.envy.fortresspower.io</a> :</div><div><br></div><div><img src="cid:ii_lsnds9410" alt="image.png" width="693" height="307" style="margin-right: 0px;"><br></div><div><br></div><div>I too have several head scratchers with the Fortress system. It primarily is a result of the lack of continuity between Envy manual/display, phone app, and this PC dashboard. All three have slightly different labelling and functional descriptions of individual parameter settings and how they interact. Definitely not intuitive for some of the most important settings. Much less the lack of descriptive commonality between platforms.</div><div><br></div><div>I have one system crash where the batteries were supposedly at 32% SOC, but the evault was @ 0%. And indeed it was at zero, taking several hours with an external charger to revive it. Gotten no answer yet from support as to why this might have happened. The new <a href="http://www.envy.fortresspower.io">www.envy.fortresspower.io</a> dashboard data let me discover there was no calibration voltage of 54.4v reached in the prior six weeks. Who knows if that's why.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Feb 15, 2024 at 10:05 AM Dave Tedeyan via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I also have been having some issues with reported SOC through the Guardian with Fortress. Fortress is generally responsive, although no one has specifically addressed my concern yet. What I have seen with two recent eFlex installations (replacing an existing battery bank on an off-grid system) is that the reported SOC in the Guardian app for some batteries is way lower than it should be. For example, one system is at 92%, 92%, 92%, 62%. Yet the lights on the batteries all indicate that they are in the 75-100% range. The other system is reporting 23%, 63%, 62%, 25%, 48%, and again, all the LED's on the batteries are in sync. This has led one customer to keep disconnecting the batteries and trying to charge just one of them up and then fiddling with it until they are all back within a good voltage range, when I am nearly certain that they are all the same voltage even though they are reporting different SOC on the Guardian app only.<div><br></div><div>I am looking forward to when they have the website up and I can look at historical data to see whether this battery is actually doing more work. I suspect it is not, but then maybe I can get Fortress to look more closely at it. And for all these batteries, the cables are exactly the same length and going to a bus bar.</div><div><br></div><div>Has anyone else noticed this discrepancy between the guardian app and (what I think is) reality with the SOC?</div><div><br></div><div>Cheers,</div><div>Dave</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Feb 15, 2024 at 8:52 AM Jay via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto"><div dir="ltr"></div><div dir="ltr">Hi william</div><div dir="ltr"><br></div><div dir="ltr">Could you share the equipment used and what issues you had?</div><div dir="ltr"><br></div><div dir="ltr">Thx</div><div dir="ltr">Jay</div><div dir="ltr"><br><blockquote type="cite">On Feb 14, 2024, at 3:13 PM, William Miller via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div><p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,"sans-serif";color:rgb(31,73,125)">Peter:</span></p><p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,"sans-serif";color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,"sans-serif";color:rgb(31,73,125)">I have only purchased one set of Fortress batteries.  There have been issues, I am sure many of them self-induced.  Fortress has been overall very responsive.  There have been a few days where I could not get through to technical support but with persistence I always manage.  Fortress has offered truck–roll compensation at a reasonable rate as well.</span></p><p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,"sans-serif";color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,"sans-serif";color:rgb(31,73,125)">William Miller</span></p><p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,"sans-serif";color:rgb(31,73,125)"> </span></p><div><p class="MsoNormal"><span style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)">Miller Solar</span></p><p class="MsoNormal"><span style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal"><span style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)">805-438-5600</span></p><p class="MsoNormal"><span style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)"><a href="http://www.millersolar.com/" target="_blank"><span style="color:blue">www.millersolar.com</span></a></span></p><p class="MsoNormal"><span style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)">CA Lic. 773985</span></p><p class="MsoNormal"><span style="color:rgb(31,73,125)"> </span></p></div><p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,"sans-serif";color:rgb(31,73,125)"> </span></p><div><div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(181,196,223);padding:3pt 0in 0in"><p class="MsoNormal"><b><span style="font-size:10pt;font-family:Tahoma,"sans-serif"">From:</span></b><span style="font-size:10pt;font-family:Tahoma,"sans-serif""> RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Peter Giroux via RE-wrenches<br><b>Sent:</b> Wednesday, February 14, 2024 6:47 AM<br><b>To:</b> 'RE-wrenches'<br><b>Cc:</b> <a href="mailto:pgiroux@mindspring.com" target="_blank">pgiroux@mindspring.com</a><br><b>Subject:</b> [RE-wrenches] Fortress</span></p></div></div><p class="MsoNormal"> </p><p class="MsoNormal">Good morning my fellow wrenchers. While I see the comments on SunPower and the challenges, are any of you having similar issues with Fortress? Their bms boards from the early classics have not held up and even after replacement there are still issues ( parallel batteries and stand alone not showing accurate #’s,  ). While support has been, well supportive, the issues persist. Any thoughts or fixes you have come up with?? I just had a customer unplug the coms cable from their sol-ark and bring their readings to volts VS %% and it is starting to work a bit better. Any and all help or ideas appreciated.</p><p class="MsoNormal"> </p><p class="MsoNormal">Thx<br>peter Giroux</p><p class="MsoNormal">American Solar</p><p class="MsoNormal">Norcross Ga</p></div>
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</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><a name="SignatureSanitizer__MailAutoSig"><b>Kirk Herander / </b></a><b><a href="mailto:kirkh@vermont.solar" title="Send an email to kirkh@vermont.solar; Send an email to kirkh@vermont.solar" style="color:blue" target="_blank">kirkh@vermont.solar</a></b></span></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><b>Owner|Principal, VT Solar, LLC</b></span></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><b><i>Celebrating our 33<sup>st</sup> Anniversary 1991-2024!!</i></b></span></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt">dba Vermont Solar Engineering</span><br></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt">802.559.1225</span></p></div></div>