<div><div dir="auto">Max AC input is 7.6 kW AC for 10 seconds. If you are designing a system to function off-grid you will want to size your AC input at 5kW as this is the continuous max charge. Anything above 5kW for longer than 10 seconds and the Powerwall will throttle back PV via frequency shift. </div></div><div dir="auto"><br></div><div dir="auto"><br></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jul 22, 2020 at 3:50 PM August Goers <<a href="mailto:august@luminalt.com">august@luminalt.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Tesla's guidelines are 7.6 kW inverter AC rating.</div><div dir="ltr"><div><br></div><div>August<br><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jul 22, 2020 at 12:18 PM Dave Angelini Offgrid Solar <<a href="mailto:offgridsolar@sti.net" target="_blank">offgridsolar@sti.net</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"><p>Schneider uses 1.25 max on an XW for Ac coupling. That would be 1.25 x 6 kw or 7.5kw max from the grid inverter when ac coupling.</p>
<p>I doubt your numbers would work well with a 5kw internal powerwall. Maybe if you had 2 poweralls? Better get info from Tesla or the installer on Wrenches. Good Luck!</p>
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<pre> </pre>
<pre><strong><span style="font-size:small">Dave Angelini Offgrid Solar
"we go where powerlines don't"
<a href="http://members.sti.net/offgridsolar/" target="_blank">http://members.sti.net/offgridsolar/</a>
e-mail <a href="mailto:offgridsolar@sti.net" target="_blank">offgridsolar@sti.net</a>
text 209 813 0060</span></strong></pre>
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<p>On Wed, 22 Jul 2020 07:24:48 -0400, <a href="mailto:rich@solartechvt.com" target="_blank">rich@solartechvt.com</a> wrote:</p>
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<p class="MsoNormal"><span style="color:rgb(31,73,125)">Considering the lack of public info available for the Powerwall, does anyone have any insight into the AC coupling limits for a single Powerwall?</span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125)">For example, can we AC couple 10kw Solar Edge to a single Powerwall?</span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125)">Thanks</span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125)">Rich</span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125)"> </span></p>
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<p class="MsoNormal"><strong><span style="font-size:10pt">From:</span></strong><span style="font-size:10pt"> RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] <strong>On Behalf Of </strong>Ray<br><strong>Sent:</strong> Tuesday, July 21, 2020 8:39 PM<br><strong>To:</strong> <a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a><br><strong>Subject:</strong> Re: [RE-wrenches] Tesla Powerwall 2.0 - Experience?/Generator charging</span></p>
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<p class="MsoNormal"> </p>
<p>That's going to be long extension cord for most off grid projects.......</p>
<pre>Ray Walters</pre>
<pre>Remote Solar</pre>
<pre>303 505-8760</pre>
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<p class="MsoNormal">On 7/21/20 12:11 PM, Matt Partymiller wrote:</p>
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<p class="MsoNormal">Jay,</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">The Tesla Gateway has a 12v input terminal for boot up. To startup my off grid Powerwall we wired in a 12V power supply to the input terminals and plugged the other side into a grid-connected outlet. </p>
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</blockquote></div></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div>Chris Sparadeo</div><div><br></div><div><br></div><div>C_802-369-4458</div><div>H_802-728-3059</div><div></div></div></div></div></div></div>