<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">Does anyone have or know where to find an explanation of how the all in ones work?</div><div dir="ltr"><br></div><div dir="ltr">Like how does the CC work, battery charger etc. flow chart of the electrons. </div><div dir="ltr"><br></div><div dir="ltr">It’s still pretty mysterious to me and I’d like to know more </div><div dir="ltr"><br></div><div dir="ltr">Jay</div><div dir="ltr"><br><blockquote type="cite">On Aug 1, 2025, at 8:46 AM, Harry Mahon via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
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<p class="MsoNormal"><span style="font-size:11.0pt">Sam – the SMA Backup Select is available for order from Authorized Distributors, but has not begun shipping (will likely be closer to Q4). Should be well under $1000.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Sunny Boy Smart Energy had the Backup Secure (old SPS) function to provide 120Vac power to dedicated outlet(s), requires manual operation with dedicated switch.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Can use Backup Secure with or without battery connected to inverter, up to 1,920W. Can also use with rapid shutdown on array, requires SMA Backup Start card accessory 9installs inside inverter) in that case.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The new SMA Backup Select is an accessory that is an MID with included backed up loads panel. Still only 120Vac power in an outage, but automatic switching and powers up to 7 circuits in house (no need to
move plugs). Also can operate with or without battery, with or without rapid shutdown, up to 3,840W for 3.8-7.7kW SBSE inverter, up to 5,760W for the 9.6/11.5kW SBSE models.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Datasheet: <a href="https://files.sma.de/downloads/BU-SLCT-US-50-DS-en_us-11.pdf">
https://files.sma.de/downloads/BU-SLCT-US-50-DS-en_us-11.pdf</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Installation Manual: <a href="https://files.sma.de/downloads/SMABackupSelect-IA-en-10.pdf">
https://files.sma.de/downloads/SMABackupSelect-IA-en-10.pdf</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">SMA Backup Home (full power of inverter in outage, 240Vac backed up loads) is likely not going to be available this year unfortunately.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Best regards – <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Mike<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<b>Michael Mahon</b> (he/him)<b><br>
</b>Solar Academy Manager | SMA America <span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal">+1 916 918 9412<u><br>
</u><a href="https://www.sma-america.com/">SMA America</a> | <a href="https://solaracademy.sma.de/en/">
Solar Academy</a> | <a href="https://www.youtube.com/playlist?list=PLoiOll7F4i-_Wc4JVN8ga2x2vxc8xews_">
TechTip Channel</a> | <a href="https://solaracademy.sma.de/en/courses.html?filter%5b1%5d=English&filter%5b2%5d=United%20States">
Upcoming Academy Trainings</a><o:p></o:p></p>
<p class="MsoNormal"><a href="https://www.sma-america.com/products/hybrid-inverters/sunny-boy-smart-energy"><span style="text-decoration:none"><div><image001.jpg></div></span></a><o:p></o:p></p>
<p class="MsoNormal">This email and any attachments thereto may contain SMA America, LLC confidential, privileged and private material for the sole use of the intended recipient. Any review, copying, or distribution of this email (or any attachments thereto)
by others is strictly prohibited. If you are not the intended recipient, please contact the sender immediately and permanently delete the original and any copies of this email and any attachments thereto. Thank you.<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> RE-wrenches <re-wrenches-bounces@lists.re-wrenches.org>
<b>On Behalf Of </b>Sam Haraldson via RE-wrenches<br>
<b>Sent:</b> Friday, August 1, 2025 7:09 AM<br>
<b>To:</b> RE-wrenches <re-wrenches@lists.re-wrenches.org><br>
<b>Cc:</b> Sam Haraldson <sam@onsiteenergyinc.com><br>
<b>Subject:</b> Re: [RE-wrenches] Hybrid inverter with no battery<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I have installed two of the SMA Sunny Boy Smart Energy hybrid inverters but only in a conventional solar-only, grid-tied design without batteries. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><a href="https://www.sma-america.com/products/hybrid-inverters/sunny-boy-smart-energy">https://www.sma-america.com/products/hybrid-inverters/sunny-boy-smart-energy</a><o:p></o:p></p>
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<p class="MsoNormal">There is a separate SMA Backup Select box required for off-grid backup operation and I have not laid eyes on it in person.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">- Sam<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><a href="https://onsiteenergyinc.com/" target="_blank"><span style="font-family:"Tahoma",sans-serif;border:none windowtext 1.0pt;padding:0in;text-decoration:none"><img border="0" width="95" height="95" style="width:.9916in;height:.9916in" id="_x0000_i1026" src="https://cdn.prod.website-files.com/675cb4f269e8da457106c938/67acde8cf274634235411bdd_email-sig-logo-onsite-energy.png" alt="OnSite Energy" data-unique-identifier=""></span></a><span style="font-family:"Tahoma",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:14.0pt;color:#514CA0;text-transform:uppercase">Sam Haraldson<o:p></o:p></span></b></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;color:#F9A145">Operations Specialist<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;color:#514CA0">(406) 551-6135<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;color:#514CA0">1515 N. Rouse Ave Bozeman, MT 59715<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;color:#F9A145">Locally owned and operated since 2012<o:p></o:p></span></p>
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<p class="MsoNormal"><a href="https://onsiteenergyinc.com/bcorp" target="_blank"><span style="border:none windowtext 1.0pt;padding:0in;text-decoration:none"><img border="0" width="22" height="33" style="width:.2333in;height:.3416in" id="_x0000_i1025" src="https://cdn.prod.website-files.com/675cb4f269e8da457106c938/67acde8cb918886086c8a0d5_email-sig-logo-bcorp.png" alt="B Corporation" data-unique-identifier=""></span></a><o:p></o:p></p>
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