<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>I like that...didn't see the one with the micro usb plug when I bought a box of the other ones with just fly leads 6 months ago.</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">I'd complete it with a good 12v PS, a powergate, nice sealed gel auto battery, and a brace of these to power both the step-down feeding the Pi and the radios. </div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">I guess if you wanted to get fancy, you could wire in a couple coax bypass relays (if you've an amplifier after the exciter) controlled by wall current presence to cut the flamethrower out of the circuit and run in degraded mode if you lost mains.</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Isn't this more fun designing? <br><br>--<div>Bryan</div><div>Sent from my iPhone 6S.<span style="font-size: 13pt;">..No electrons were harmed in the sending of this message.</span></div><div><br><div><br></div></div></div><div><br>On Jul 10, 2017, at 12:13, Scott Zimmerman <<a href="mailto:n3xcc@repeater-builder.com">n3xcc@repeater-builder.com</a>> wrote:<br><br></div><blockquote type="cite"><div><span>Ramesh,</span><br><span></span><br><span>If it were me, I would use a 7ah 12v backup battery with a "normal" 12v float charger, then use a buck converter to lower the voltage down to 5v. Something like this would do nicely:</span><br><span><a href="http://www.ebay.com/itm/262908222815">http://www.ebay.com/itm/262908222815</a></span><br><span></span><br><span>Using 12v storage makes things more "standard".</span><br><span></span><br><span>Just my 2c.</span><br><span></span><br><span>Scott</span><br><span></span><br><span>Scott Zimmerman</span><br><span>Amateur Radio Call N3XCC</span><br><span>474 Barnett Road</span><br><span>Boswell, PA 15531</span><br><span></span><br><span>On 7/10/2017 11:38 AM, Ramesh Dhami wrote:</span><br><blockquote type="cite"><span>Hi Folks:</span><br></blockquote><blockquote type="cite"><span>Wonder if anyone has a lead on a USB Battery Bank that supports pass-through charging and does NOT interrupt the output voltage when there is loss of commercial power?</span><br></blockquote><blockquote type="cite"><span>I'd like to use a battery bank on my remote node down in FL (renowned for electrical storms!), so keeping the Pi up during brown-outs and loss of commercial power is a big plus.</span><br></blockquote><blockquote type="cite"><span>In case folks are interested - here is a link to a good article providing a review of various products:</span><br></blockquote><blockquote type="cite"><span><a href="http://www.theoutpost.org/6-techy/raspberry-pi-usb-power-bank-ups-pass-through/">http://www.theoutpost.org/6-techy/raspberry-pi-usb-power-bank-ups-pass-through/</a></span><br></blockquote><blockquote type="cite"><span>Unfortunately, the leading contender, the product from RS Electronics (brings back memories of my "jollies" as an Apprentice heading up to Alum Rock in Birmingham ;) is not available in N. America. There must be other equivalents out there.....</span><br></blockquote><blockquote type="cite"><span>Anyone have a lead on such a product?</span><br></blockquote><blockquote type="cite"><span>Thanks!</span><br></blockquote><blockquote type="cite"><span>Ramesh, VA3UV</span><br></blockquote><blockquote type="cite"><span>_______________________________________________</span><br></blockquote><blockquote type="cite"><span>App_rpt-users mailing list</span><br></blockquote><blockquote type="cite"><span><a href="mailto:App_rpt-users@lists.allstarlink.org">App_rpt-users@lists.allstarlink.org</a></span><br></blockquote><blockquote type="cite"><span><a href="http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users">http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users</a></span><br></blockquote><blockquote type="cite"><span>To unsubscribe from this list please visit <a href="http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users">http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users</a> and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button"</span><br></blockquote><blockquote type="cite"><span>You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem.</span><br></blockquote><span>_______________________________________________</span><br><span>App_rpt-users mailing list</span><br><span><a href="mailto:App_rpt-users@lists.allstarlink.org">App_rpt-users@lists.allstarlink.org</a></span><br><span><a href="http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users">http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users</a></span><br><span></span><br><span>To unsubscribe from this list please visit <a href="http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users">http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users</a> and scroll down to the bottom of the page. Enter your email addres</span></div></blockquote></body></html>