<div dir="ltr">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.  <div><br></div><div><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></div><div><br></div><div>There is a separate SMA Backup Select box required for off-grid backup operation and I have not laid eyes on it in person.</div><div><br></div><div>- Sam</div><div><br></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><table cellpadding="0" cellspacing="0" style="font-family:Carlito,Tahoma,sans-serif"><tbody><tr><td style="padding:0px 10px 0px 0px;vertical-align:top"><a href="https://onsiteenergyinc.com/" style="border:none" target="_blank"><img src="https://cdn.prod.website-files.com/675cb4f269e8da457106c938/67acde8cf274634235411bdd_email-sig-logo-onsite-energy.png" alt="OnSite Energy" align="top" width="95" height="95" style="display:block"></a></td><td style="padding:0px;vertical-align:top"><table cellpadding="0" cellspacing="0"><tbody><tr><td style="padding:0px 10px 0px 0px;vertical-align:bottom"><div color="#514ca0" style="padding:0px;color:rgb(81,76,160);font-size:14pt;font-weight:600;text-transform:uppercase">Sam Haraldson</div><div color="#f9a145" style="padding:0px;color:rgb(249,161,69);font-size:11pt">Operations Specialist</div><div color="#514ca0" style="padding:0px;color:rgb(81,76,160);font-size:8pt">(406) 551-6135</div><div color="#514ca0" style="padding:0px;color:rgb(81,76,160);font-size:8pt">1515 N. Rouse Ave Bozeman, MT 59715</div><div color="#f9a145" style="padding:0px;color:rgb(249,161,69);font-size:8pt">Locally owned and operated since 2012</div></td><td style="padding:0px;vertical-align:bottom"><a href="https://onsiteenergyinc.com/bcorp" style="border:none" target="_blank"><img src="https://cdn.prod.website-files.com/675cb4f269e8da457106c938/67acde8cb918886086c8a0d5_email-sig-logo-bcorp.png" alt="B Corporation" width="22" height="33" align="bottom" hspace="2" vspace="2" style="display:block"></a></td></tr></tbody></table></td></tr></tbody></table></div></div></div></div>