<div dir="ltr">I had also done proof-of-concept research for cobbling together relatively inexpensive 24V solar rigs for UBNT nodes. Danny Illand is definitely the guy to inquire with as well!<br><br>Below is my own cost breakdown for just a single outdoor,
rooftop-mounted mesh radio with 12V solar panel and battery. Please be
advised none of this has actually been built and tested, so I don't know
yet if these parts could be used together! This was just a quick pass
to see what a ~$500 budget could support (i.e. detail sufficient for a
grant application).<br>
<br>Do note that Tycon Power Systems makes <a href="http://www.newegg.com/Product/Product.aspx?Item=9SIA1EA0P18851" target="_blank">self-contained 24V solar/battery</a> solutions for WiFi APs, but they're much more expensive.<br>
<br><span style="vertical-align:baseline;font-variant:normal;font-style:normal;font-size:15px;background-color:transparent;text-decoration:none;font-family:Arial;font-weight:normal">Ubiquiti Nanostation Loco M2 (runs on 24VDC / 0.167mA) - $50<br>
</span><a href="http://shop.bizsyscon.com/ubiquiti-nanostation-loco-m2-outdoor-mimo-2x2-802-11g-n/" style="text-decoration:none" target="_blank"><span style="font-size:15px;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">http://shop.bizsyscon.com/ubiquiti-nanostation-loco-m2-outdoor-mimo-2x2-802-11g-n/</span></a><br>
<span style="vertical-align:baseline;font-variant:normal;font-style:normal;font-size:15px;background-color:transparent;text-decoration:none;font-family:Arial;font-weight:normal">60W 12V Monocrystalline Solar Panel - $100<br>
</span><a href="http://www.amazon.com/ALEKO%C2%AE-60W-60-Watt-Monocrystalline-Solar/dp/B007YT9222/" style="text-decoration:none" target="_blank"><span style="font-size:15px;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">http://www.amazon.com/ALEKO%C2%AE-60W-60-Watt-Monocrystalline-Solar/dp/B007YT9222/</span></a><br>
<span style="vertical-align:baseline;font-variant:normal;font-style:normal;font-size:15px;background-color:transparent;text-decoration:none;font-family:Arial;font-weight:normal">12V 12Ah sealed lead acid golf cart battery - $28<br>
</span><a href="http://www.batterymart.com/p-12v-12ah-sealed-lead-acid-battery.html" style="text-decoration:none" target="_blank"><span style="font-size:15px;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">http://www.batterymart.com/p-12v-12ah-sealed-lead-acid-battery.html</span></a><br>
<span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">12/24V 5Amp PWM charge controller - $19<br>
</span><a href="http://www.renogy-store.com/5-amp-charge-controller-p/ctrl-pwm5.htm" style="text-decoration:none" target="_blank"><span style="font-size:15px;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">http://www.renogy-store.com/5-amp-charge-controller-p/ctrl-pwm5.htm</span></a><br>
<div><span style="vertical-align:baseline;font-variant:normal;font-style:normal;font-size:15px;background-color:transparent;text-decoration:none;font-family:Arial;font-weight:normal"><span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">11-15VDC to 24VDC DC/DC converter 3amp $24.50<br>
</span><a href="http://www.current-logic.com/shop/index.php?main_page=product_info&cPath=4&products_id=9" style="text-decoration:none" target="_blank"><span style="font-size:15px;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">http://www.current-logic.com/shop/index.php?main_page=product_info&cPath=4&products_id=9</span></a><br>
DIY mounts made from cinderblocks, treated lumber, conduit, misc parts - $30<br>
</span><a href="http://goo.gl/62jYJ" style="text-decoration:none" target="_blank"><span style="font-size:15px;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">http://goo.gl/62jYJ</span></a><span style="vertical-align:baseline;font-variant:normal;font-style:normal;font-size:15px;background-color:transparent;text-decoration:none;font-family:Arial;font-weight:normal"><br>
</span><a href="http://goo.gl/eU53G" style="text-decoration:none" target="_blank"><span style="font-size:15px;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">http://goo.gl/eU53G</span></a><br>
<span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Tycon passive POE injector - $4.50<br>
</span><a href="http://shop.bizsyscon.com/tycon-poe-inj-s-passive-poe-injector/" style="text-decoration:none" target="_blank"><span style="font-size:15px;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">http://shop.bizsyscon.com/tycon-poe-inj-s-passive-poe-injector/</span></a><br>
<span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:normal;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Misc parts, mounting brackets, shielded CAT5 cable, cable fittings - $50</span><br>
<br></div><div><b>Total: $306<br></b></div><div><br>This assumes a fully
autonomous rooftop rig, running only on
solar/battery power, i.e. to conserve costs by forgoing any 120VAC
inverter. Also, it depends on a step-up DC/DC converter to convert the
12V from the battery to 24V for the radio. The benefit to this approach
is that it means the rooftop rig
can be assembled as a single piece ahead of time, and then quickly
dropped into place (by chopper? lol) on a roof w/o needing to crimp any
cable.<br><br>In ideal operation, the solar panel has to be powerful
enough to charge the battery and power the radio simultaneously, and do
so on the day of the year with least sunlight. The battery capacity
should be enough to power the radio (at absolute bare minimum) for
16hours or so of darkness/twilight every day, ideally with additional
capacity to last through <span class="">1</span>/2/3 day stretches where there is inadequate sunlight.<br>
<br></div><div>Furthermore, the sealed lead acid battery shouldn't be
discharged below 50% of its capacity. The 12Ah battery above should (in
theory) give at least <span class="">1</span>.5 days of continuous power before dropping below 50%.<br><br>
</div><div>Hanging additional gear (e.g. weather station, 5.8GHz backhaul radio) off the solar arrays would require a larger battery, e.g. like the 35Ah one
below:<br>
<a href="http://www.batterymart.com/p-12v-35ah-sealed-lead-acid-battery-group-u1.html?Category_Code=04-12-volt-sealed-lead-acid-batteries" target="_blank">http://www.batterymart.com/p-12v-35ah-sealed-lead-acid-battery-group-u1.html?Category_Code=04-12-volt-sealed-lead-acid-batteries</a><br><br></div><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Mar 5, 2015 at 4:36 PM, Georgia Bullen <span dir="ltr"><<a href="mailto:georgia@opentechinstitute.org" target="_blank">georgia@opentechinstitute.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Also - Danny Illand at UCSB (<a href="http://cs.ucsb.edu/~iland/projects.html" target="_blank">http://cs.ucsb.edu/~iland/projects.html</a>) did a presentation at the International Summit for Community Wireless networks in Berlin on a solar power battery he was working on.<div><br></div><div>-Georgia</div></div><div class="gmail_extra"><div><div class="h5"><br><div class="gmail_quote">On Thu, Mar 5, 2015 at 5:14 PM, Adam Longwill <span dir="ltr"><<a href="mailto:adam.longwill@metamesh.org" target="_blank">adam.longwill@metamesh.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>Meta Mesh has done a proof-of-concept for solar powered ubnt nodes. We powered a ubnt Rocket overnight using a solar cell and battery. I don't have the details of exactly what we used BUT I do know that the lowest voltage recommened by Ubiquiti is 15v but we had ours working off a battery at 12v. We recommend using 2 12v batteries or a 24v battery. Someone with better electrical knowledge can correct me, please, or fill in details. <br><br></div>We DID find this really cool setup which is an all-in-one solution to powering and storing the batteries. Check it out!<br><br><a href="http://tyconpower.com/products/files/RemotePro_Spec_Sheet.pdf" target="_blank">http://tyconpower.com/products/files/RemotePro_Spec_Sheet.pdf</a><br><br></div>We are hoping we can get one in the next grant we apply for for a local baseball field with no Internet/Electricity access but is within range of other nodes.<br><br></div>Hope that Helps.<br><div><div><br></div><div>Sign up for our mailing list for details. We'll be announcing some cool stuff this month!<br><br><a href="http://www.metamesh.org/contact.html" target="_blank">http://www.metamesh.org/contact.html</a><a href="http://www.metamesh.org/contact.html" target="_blank">http://www.metamesh.org/contact.html</a><br></div></div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Mar 5, 2015 at 3:15 PM, Marina Brown <span dir="ltr"><<a href="mailto:catskillmarina@gmail.com" target="_blank">catskillmarina@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA1<br>
<br>
Hi:<br>
<br>
Does anyone have experience powering ubiquiti devices with solar<br>
energy. I will be placing a couple nodes where there is no/little<br>
grid power.<br>
<br>
Any advice on this ? Do they work ok with 12 volts or do i need<br>
higher voltage.<br>
<br>
- --- Marina Brown<br>
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</blockquote></div><br></div>
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<br></blockquote></div><br><br clear="all"><div><br></div></div></div><span class="HOEnZb"><font color="#888888">-- <br><div><div dir="ltr">Georgia Bullen<div>Senior Data Analyst</div><div><a href="http://newamerica.org/oti/" target="_blank">Open Technology Institute</a> @ <a href="http://newamerica.org" target="_blank">New America</a></div><div><a href="http://twitter.com/georgiamoon" target="_blank">@georgiamoon</a></div></div></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature">Ben West<div><a href="http://gowasabi.net" target="_blank">http://gowasabi.net</a><br><a href="mailto:ben@gowasabi.net" target="_blank">ben@gowasabi.net</a><br>314-246-9434<br></div></div>
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