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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>They are expensive. But from a technical point of view, very few people understand (or know how to use) the concept of \u201cDays of Autonomy\u201d. I personally use a 3X factor but if I want to be extra conservative and the application is is critical I use a 4X factor.</p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'>Peter</li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Peter T. Parrish<br>SolarGnosis<br>1107 Fair Oaks Ave. Ste. 351<br>South Pasadena, CA 91030<br>(323) 839-6108<br>peter.parrish@solargnosis.com</p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='border:none;padding:0in'><b>From: </b><a href="mailto:danbob88@gmail.com">Dan Fink</a><br><b>Sent: </b>Sunday, December 9, 2018 9:10 AM<br><b>To: </b><a href="mailto:re-wrenches@lists.re-wrenches.org">RE-wrenches</a><br><b>Subject: </b>Re: [RE-wrenches] Portable Power Centers</p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Every one of these I've seen so far....dating back over 10 years....drastically undersizes the battery bank, I assume because that's the expensive part.</p><div><p class=MsoNormal><br clear=all></p><div><div><div><div><div><div><div><div><div><div><div><div><div><div><div><div><p class=MsoNormal><span style='font-size:9.5pt'>Dan Fink</span></p><div><p class=MsoNormal><span style='font-size:9.5pt'>Professor of Solar Energy Technology, Ecotech Institute<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt'>IREC Certified Instructor\u2122 for: <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt'>~ PV Installation Professional<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt'>~ Small Wind Installer<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt'>Executive Director, Buckville Energy<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt'>NABCEP Registered Continuing Education Providers\u2122<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt'>NABCEP PV Associate<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt'><br>970.672.4342<o:p></o:p></span></p></div><p class=MsoNormal><br> </p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Sun, Dec 9, 2018 at 9:21 AM <a href="mailto:glenn.burt@glbcc.com">glenn.burt@glbcc.com</a> <<a href="mailto:glenn.burt@glbcc.com">glenn.burt@glbcc.com</a>> wrote:</p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div style='margin-bottom:33.75pt'><div><div><p class=MsoNormal><span style='font-size:10.0pt'>I recently saw a YouTube video that compared 4 or 5 portable power units. You might try a search there.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'>Glenn<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:10.0pt'>Sent from my 'smart' phone so please excuse spelling and typos.<o:p></o:p></span></p></div></div></div><div><div id="gmail-m_2906557796947202131LGEmailHeader"><div><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'>------ Original message------<o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt'>From: </span></b><span style='font-size:10.0pt'>Peter Parrish<o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt'>Date: </span></b><span style='font-size:10.0pt'>Sun, Dec 9, 2018 1:17 AM<o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt'>To: </span></b><span style='font-size:10.0pt'>RE-wrenches;<o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt'>Cc: </span></b><span style='font-size:10.0pt'><o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt'>Subject:</span></b><span style='font-size:10.0pt'>[RE-wrenches] Portable Power Centers<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'>We are working with Turning Point Foundation a 501(c)3 to provide off-grid power for their River Haven project which is providing transitional housing for homeless folks in the Ventura CA area.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'>The site is truly off-grid and currently uses propane to power three refrigerators and cook stoves. There is no space heating for the single occupancy rooms as of yet. But that\u2019s another problem.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'>We are looking to specify DC refrigerators and PV-powered battery storage for the River Haven project. We are looking at the Goal Zero Yeti-3000 system (3000 Whr, 500 full discharge cycles, to 80% residual capacity) at a sale price of $2,400 but are finding the extra cost of their PV modules quite steep. And looking at other 36-cell (12 volt) modules, I can\u2019t find anything for less than $1.10/W. <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'>Since Goal Zero is looking at the recreational market, I thought that there might be o ther companies with comparable product offerings that are focusing on other markets like developing countries.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'>Any advice would be appreciated and you may contact us off-line.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'>Peter T. Parrish<br>SolarGnosis<br>1107 Fair Oaks Ave. Ste. 351<br>South Pasadena, CA 91030<br><a href="tel:(323)%20839-6108" target="_blank">(323) 839-6108</a><br><a href="mailto:peter.parrish@solargnosis.com" target="_blank">peter.parrish@solargnosis.com</a><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'> <o:p></o:p></span></p></div></div></div></div></blockquote></div><p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:4.8pt'>_______________________________________________<br>List sponsored by Redwood Alliance<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br><br>Change listserver email address & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html" target="_blank">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm" target="_blank">www.re-wrenches.org/etiquette.htm</a><br><br>Check out or update participant bios:<br><a href="http://www.members.re-wrenches.org" target="_blank">www.members.re-wrenches.org</a></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>