<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">HI Harry,<div class=""><br class=""></div><div class="">The battery is charged from the AC side correct?</div><div class="">And is the charging algorithm inside the ABU.</div><div class=""><br class=""></div><div class="">If so why couldn\u2019t you use a generator to charge the battery?</div><div class=""><br class=""></div><div class="">jay</div><div class=""><br class=""></div><div class="">peltz power</div><div class=""><br class=""></div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Sep 13, 2018, at 7:10 AM, Harry Mahon <<a href="mailto:Michael.Mahon@sma-america.com" class="">Michael.Mahon@sma-america.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Marco \u2013<span class="Apple-converted-space"> </span><o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">The Sunny Boy Storage \u201cAdvanced Backup Unit\u201d accessory or ABU will be discussed at SPI in a couple weeks \u2013 first units are being stocked now at our warehouses in US. The ABU will allow the SBS to be a grid former in case of utility outage, however there are no plans to have any generator inputs/controls to allow for battery charging from generat</div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">And yes, BYD BBox HV 5.12/7.68/10.24 devices will be supported when available in US (will be this year I understand)<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Mike<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: Arial, sans-serif;" class="">-----<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">The SMA Sunny Storage looks promising.<o:p class=""></o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class=""><o:p class=""> </o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">It will be able to work with the LGC RESU10 HV battery and, sooner rather<o:p class=""></o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">than later I hope, BYD package as well.<o:p class=""></o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class=""><o:p class=""> </o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">And it will allow for a backup generator tie in.<o:p class=""></o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class=""><o:p class=""> </o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">Ta-dah!<o:p class=""></o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class=""><o:p class=""> </o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">marco<o:p class=""></o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class=""><o:p class=""> </o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">On Thursday, September 13, 2018, Bruce Erickson <<a href="http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org" style="color: purple; text-decoration: underline;" class="">bruce at mendocinosolar.com</a>><o:p class=""></o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">wrote:<o:p class=""></o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class=""><o:p class=""> </o:p></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> Hi Marco,<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""><o:p class=""> </o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> I partially agree with you. I recently bid Outback, StorEdge, and Pika<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> options for a GTBB customer, partly to understand pricing for myself, and<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> found OB to be so much more expensive. The customer really wanted a system<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> that would be to be able to charge the batteries off a generator in an<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> outage, understandably. But the extra thousands in cost for OB ended up<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> being prohibitive. Add-on rapid shutdown is a killer. So he\u2019s opting for a<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> nice modern high voltage DC system, with optimizers and built-in RSD, but<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> when there\u2019s an extended outage, he\u2019ll have to hope the sun comes out right<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> after the storm to recharge the batteries, or he\u2019ll end up in the dark<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> again, until the grid comes back. Maybe there\u2019s a high voltage inverter<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> that allows generator charging, or a third-party battery charger, that I\u2019m<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> not aware of. Otherwise high voltage systems are very limited for backup,<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> at least in winter storm scenarios.<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""><o:p class=""> </o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> *Bruce Erickson*<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> Mendocino Solar Service<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> PO Box 1252<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> Mendocino, CA 95460<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> 707-937-1701<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> 707-937-1741 fax<o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""> <a href="http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org" style="color: purple; text-decoration: underline;" class="">bruce at mendocinosolar.com</a><o:p class=""></o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; font-size: 10pt; font-family: "Courier New";" class=""><span style="" class="">><i class=""><o:p class=""> </o:p></i></span></pre><pre style="margin: 0in 0in 0.0001pt; 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