<div dir="ltr">Hi Dave - Yes, the Powerwall 3 has LFP cells. I believe they are planning on shipping it for the mass market later this year. It looks cool from what I've seen - DC coupled (one inverter for both PV and battery) with 6 PV trackers, 11.5 kW AC output, among other features.<div><br></div><div>August<br><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jan 10, 2024 at 4:28 PM Dave Angelini Offgrid Solar via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" 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:1px solid rgb(204,204,204);padding-left:1ex"><div style="font-size:12pt;font-family:Verdana,Geneva,sans-serif">
<div id="m_-1803711906577023385m_86257565976476799signature">Hi August,</div>
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<div>I was told Tesla has LFP battery now. True? Thanks ! <br>
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<pre><strong><span style="font-size:small">Dave Angelini Offgrid Solar
"we go where powerlines don't"
<a href="http://members.sti.net/offgridsolar/" rel="noopener" target="_blank"> </a><a style="color:blue;font-size:11px;font-family:"Lucida Grande",Verdana,Arial,Helvetica,sans-serif;font-weight:400;background-color:rgb(255,255,255)" href="https://offgridsolar1.com/" rel="noopener noreferrer" target="_blank"><span style="font-size:12pt">https://offgridsolar1.com/</span></a><a href="http://members.sti.net/offgridsolar/" rel="noopener" target="_blank"> </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 id="m_-1803711906577023385m_86257565976476799reply-intro">On 2024-01-10 3:25 pm, August Goers via RE-wrenches wrote:</p>
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<div dir="ltr">We're starting to install the Tesla Solar Inverter with good results:
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<div><a href="https://www.tesla.com/support/energy/solar-inverter/tesla-solar-inverter" rel="noopener noreferrer" target="_blank">https://www.tesla.com/support/energy/solar-inverter/tesla-solar-inverter</a></div>
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<div>It is going to be a tough product for others to compete with - the price point is low and features are high. 4 x MPPTs with low tracking voltage (60 VDC), built in consumption monitoring, one SKU to handle 7.6 kW, 5.7 kW, 5 kW, 3.8 kW AC rating via software programming, built in ethernet/WiFi/cellular and the rapid shutdown can meet the NEC hazard control system requirements meaning that only one Mid-Circuit Interrupter (MCI) is needed for every three modules. All in all, a solid offering with lots of design flexibility. Time will tell how reliable they are.</div>
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<div>Best, August<br clear="all">
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<div dir="ltr">On Wed, Jan 10, 2024 at 10:04 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:</div>
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<p>Jeremy:</p>
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<p>We generally avoided using the 41 series inverter for reasons specified <a href="https://millersolar.com/MillerSolar/case_studies/SMA_40_Series/Whats_wrong_with_40_Series.html" rel="noopener noreferrer" target="_blank">here</a>. If you find a new string inverter in the SMA lineup, you might want to check to see if they have resolved some of the shortcomings.</p>
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<p>I have not had reason to use string inverters because, other than Solar Edge, they do not offer intrinsic rapid shutdown. Careful reading of the NEC indicates that even ground mount arrays require RSS unless the PV feeders run to a building with the sole use being to house solar equipment. Having said that, I would imagine that if an inverter were mounted on the ground-mount rack, the requirement for RSS could be avoided.</p>
<p> </p>
<p>William Miller</p>
<p> </p>
<p>Miller Solar</p>
<p>17395 Oak Road, Atascadero, CA 93422</p>
<p>805-438-5600</p>
<p><a href="http://www.millersolar.com" rel="noopener noreferrer" target="_blank">www.millersolar.com</a></p>
<p>CA Lic. 773985</p>
<p> </p>
<p> </p>
<p>-----Original Message-----<br>From: RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" rel="noreferrer" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] On Behalf Of Jeremy Rodriguez via RE-wrenches<br>Sent: Monday, January 8, 2024 1:44 PM<br>To: <a href="mailto:re-wrenches@lists.re-wrenches.org" rel="noreferrer" target="_blank">re-wrenches@lists.re-wrenches.org</a><br>Cc: Jeremy Rodriguez<br>Subject: [RE-wrenches] SMA String inverters</p>
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<p>What are you wrenches that used to install the SBXXXX-41 units sourcing now? Looks like there is a new model on their website</p>
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<p> </p>
<p>Jeremy Rodriguez</p>
<p>Solar Installation / Design</p>
<p>All Solar, Inc.</p>
<p>1453 M St.</p>
<p>Penrose Colorado 81240</p>
<p> </p>
<p>Sent by Jeremy's iPhone. Sorry for typos and shorthand.</p>
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