<div dir="auto">William,  <div dir="auto">You can can set the sell voltage to 54.4 and that will help force a fuller charge prior to selling. Has worked for me on a site that had the same symptoms.  </div><div dir="auto">You will find that these batteries can be 100% at both 55.2 as well as 54.4....due to the flat-ish voltage/soc curve. </div><div dir="auto">Hope that helps.</div><div dir="auto">Happy Friday!</div><div dir="auto">Kirpal@oregonsolarworks</div><div dir="auto"></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Apr 22, 2022, 1:31 PM William Miller via RE-wrenches &lt;<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div class="m_-5253457416986579127WordSection1"><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;">Friends:</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;">We are setting up our first Blue Planet system.  It is AC coupled with an SMA SB7-21 back-feeding a Radian 8048.    We followed all of the recommended settings when commissioning. </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;">The battery SOC is chronically stuck at 90% as displayed by the Blue Planet BMU.</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;">I think the problem is the grid sell setting is at 54 VDC.  Blue Planet likes 55.2.  I\u2019m going to change that setting this afternoon but due to some mysterious Optics bug, I have to drive to the site to do so.</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;">If anyone has any experience with this kind of setup and can offer any advice, well I\u2019d be mighty grateful.</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;">Thanks in advance.</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;">William Miller</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Miller Solar</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">805-438-5600</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;"><a href="http://www.millersolar.com/" target="_blank" rel="noreferrer">www.millersolar.com</a></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">CA Lic. 773985</span></p><p class="MsoNormal"> </p><p class="MsoNormal"> </p></div></div>
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