<div dir="ltr">I would at least rewire them like this... <div><br></div><div><div><img src="cid:ii_jjyf8mn10" alt="image.png" width="487" height="433"><br></div>Remember all the parallel strings take offs must be the same size/length, otherwise you are going to exacerbate imbalance issues. <br><div><br></div><div><br></div><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div style="float:left;padding:1px 10px 0 0"><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"><img src="https://i.imgur.com/uXcqgyz.png" alt="" style="padding:3px 0px 0px 10px;float:left;margin-right:10px;width:98px;height:115px"></a><div style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:14px;line-height:20px;font-family:Arial,Helvetica,sans-serif;margin:0px"><font color="#bb1a1d">Steve Higgins \u22c5
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<span style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Since we are on the topic of bad battery practices...</span><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">I may be fixing up a system that was both designed and installed very poorly.</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">They have a 24V Outback VFXR inverter, and ten 12V AGM batteries wired into</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">5 parallel strings. I know that is a bad idea, but since they already have the </div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">equipment, are there any safety issues by re-using this equipment? It is for a </div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">grid tie battery backup system that will remain in float most of the time. I assume </div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">that the batteries will not last particularly long, but is there any harm in using them</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">and then just getting new batteries once they fail?</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Stringing is shown in the attached picture.</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Cheers, </div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Dave</div>
<br clear="all"><div><div class="m_1167946906167880855m_-476407063005569640gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><br></div><div><b><font face="arial, helvetica, sans-serif">--</font></b></div><div><b><font face="arial, helvetica, sans-serif"><br></font></b></div><div><b><font face="arial, helvetica, sans-serif">Dave Tedeyan</font><br></b></div><div><b>Senior Engineer</b></div><div><br></div><div><b>Taitem Engineering, PC</b></div><div>10 Verizon Lane, Lansing, NY 14882</div><div><font color="#000000">Voice: <a value="+16072771118" rel="noreferrer">(607) 930-3481 x6</a></font></div><div><a href="http://www.taitem.com/" rel="noreferrer" target="_blank"><font color="#000000">www.taitem.com</font></a></div></div></div></div></div></div></div></div>
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