<div dir="auto">I have outback FX systems operating for years now, the lab l had used FX&#39;s and midnite systems, it does need to be 48 volts nominal.<div dir="auto">Jerry</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Aug 9, 2020, 4:13 PM Kirk Herander &lt;<a href="mailto:vtsolar@icloud.com">vtsolar@icloud.com</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div id="m_-7586744081966524964__MailbirdStyleContent" style="font-size:12pt;font-family:Arial;color:#000000">
                                        
                                        
                                            
                                        
                                        
                                        For some reason (that I never got an answer to from Outback or Blue Planet) older FX inverters are not compatible with Blue Ion LFP batteries. The newer FXR series are.<div>Considering one only needs to change slightly charge voltages, duration, etc. to meet BI recommendations, it&#39;s a mystery why Outback states that older FX inverters are not compatible. </div><div>Outback  states this in a tech note about using LI batteries.<br><div></div><blockquote type="cite" style="border-left-style:solid;border-width:1px;margin-top:20px;margin-left:0px;padding-left:10px">
                        <p style="color:#aaaaaa;margin-top:10px">On 8/9/2020 5:40:39 PM, <a href="mailto:drake.chamberlin@redwoodalliance.org" target="_blank" rel="noreferrer">drake.chamberlin@redwoodalliance.org</a> &lt;<a href="mailto:drake.chamberlin@redwoodalliance.org" target="_blank" rel="noreferrer">drake.chamberlin@redwoodalliance.org</a>&gt; wrote:</p><div style="font-family:Arial,Helvetica,sans-serif">P.S. The system consists of an old Outback FX inverter and an MX60, with 
<br>a 2600 W array.
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<br>On 2020-08-09 13:12, <a href="mailto:drake.chamberlin@redwoodalliance.org" target="_blank" rel="noreferrer">drake.chamberlin@redwoodalliance.org</a> wrote:
<br>&gt; Hello Wrenches,
<br>&gt; 
<br>&gt; What is the best Li-Ion battery to use with an off grid system?
<br>&gt; 
<br>&gt; Thanks,
<br>&gt; 
<br>&gt; Drake
<br>&gt; Athens Electric
<br>&gt; 
<br>&gt; --
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