<div dir="auto">True.  if you want to do grid, gen, and AC Couple then you need a transfer switch or contactor. </div><div dir="auto">       Likewise I haven’t touched a Powerwall, nor an Enphase battery. </div><div dir="auto"><br></div><div dir="auto"><br></div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sat, Aug 9, 2025 at 9:36 AM jay 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-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div style="line-break:after-white-space">One big issue with the AIO’s is that you can’t do grid, generator and ac coupling to the best of my understanding <div><br></div><div>I do like the idea of just removing the old GT inverter and stuffing that into the AIO, elegant</div><div><br></div><div>yes its my understanding that Tesla won’t accept generator.  While many are pissed off at eg4, I won’t touch tesla.</div><div><br></div><div>and FYI you can buy the same inverter at Fortress. </div><div><br></div><div>thanks everyone.</div><div><br></div><div>jay</div><div><br></div><div><br><div><div><div><br><blockquote type="cite"><div>On Aug 9, 2025, at 10:28 AM, Tyrone Houck via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:</div><br><div><div dir="auto"><div>Midnite AIO and Sol-Ark both work great for AC coupling in my experience. If anyone is new to "All In One" inverters I recommend having tech support walk you through commissioning, check firmware, etc. the first time. </div><div><br></div><div data-smartmail="gmail_signature"><br>    </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Aug 9, 2025, 8:47 AM William Miller via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" rel="noreferrer" 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-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">Two options:<div dir="auto"><br></div><div dir="auto">1. AC couple existing inverter to a battery capable inverter. </div><div dir="auto"><br></div><div dir="auto">2. Replace existing inverter. </div><div dir="auto"><br></div><div dir="auto">I favor option 2. </div><div dir="auto"><br></div><div dir="auto">Option 1 is only preferred if gaining access to the existing inverter for replacement is difficult. An example would be a micro-inverter system.</div><div dir="auto"><br></div><div dir="auto">New AIO inverters allow true high voltage PV input so the existing stringing will probably not need to be modified. </div><div dir="auto"><br></div><div dir="auto"><div dir="auto">I’m new to this so type of upgrade so I welcome any corrections to these opinions.  I did replace a Sunny Boy in my shop with a Soul Ark and it’s working great!</div><div dir="auto"><br><div dir="auto"><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">William Miller<br>Miller Solar.com<br>805-438-5600<br><a href="http://www.millersolar.com/" rel="noreferrer noreferrer" target="_blank">www.millersolar.com</a><br></div></div></div><div dir="auto"><br></div><div dir="auto"><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Aug 9, 2025 at 8:26 AM Jay via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" rel="noreferrer noreferrer" 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-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">Is there a consensus as to what equipment to use for adding battery backup to normal GT inverter?  <br>
<br>
<br>
<br>
I’ve had a few people ask and I actually haven’t done it. <br>
<br>
Thx <br>
Jay<br>
<br>
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