You gotta think in watts. Solar panels cost about 75 cents per watt. Batteries cost about 20-35 cents per watt hour. Volts don't really matter until you go pick a charge controller etc.

So, you are talking about two radios, right?  Perhaps 10 watts each max?
20 watts total load?

2 weeks of autonomy is what I recommend, so 20 x 24 x 14 = 6720 watt hours of storage. $1300 for the battery. 20x times the load for the panel. 400 watts of panel. That will cost you about $300. So, perhaps $1600 for the works (charge controller will be maybe $100).

Depends if you can get to the site in winter. How much snow you have. How many overcast days you have etc etc. You could cut back on the battery and install a remote start generator.

And I have probably wildly overestimated to load too.

-----Original Message----- From: Craig House
Sent: Tuesday, August 18, 2015 3:04 PM
To: [email protected]
Subject: Re: [AFMUG] Ubiquity radios on 12 V

Only the number of batteries that I would need to have but then I've never done solar and battery powered stuff before so maybe I'm not thinking about this correctly

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On Aug 18, 2015, at 16:02, Chuck McCown <[email protected]> wrote:

Is there a reason you don't want to use 24 volts?

-----Original Message----- From: Craig House
Sent: Tuesday, August 18, 2015 2:56 PM
To: [email protected]
Subject: [AFMUG] Ubiquity radios on 12 V

I have a customer who is wanting a relay pole installed on the top of the hill that he owns in order to bring line of sight service from one of our towers and bounce it down to his facilities in the Valley. There is no power within a half a mile of this location and I'm curious if to ubiquity radios would run on 12 V batteries without problems. I can get a small solar panel set up and test to see how long they will last but before I power them from 12 V I want to make sure it's even possible for them to work

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