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Old 12-28-2011, 01:53 PM   #3
Ken Maltby
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Posts: 4,466
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Join Date: Dec 2009
Location: The Heart of Texas
Device: Boox Note2, AuraHD, PDA,
You can get a larger 12v "Battery Maintainer" solar panel (1.8w should be enough for
just the one device, the larger 3w panel for a couple of such devices) they come with
a cigarette lighter plug output option.

http://www.northerntool.com/shop/too...s-solar-panels

Then something like this:
http://www.geeks.com/details.asp?inv...-TX013&cat=MP3

Then a 3.5" piece of 3/4" copper pipe. Slide the cigarette lighter plug from
the solar panel in one end and the 12v to 5.5v 1000mA adapter into the other
end, insuring that the center contact points are touching.

The regulated power from the adapter should be able to provide enough charging
current for your device even as the solar input fluctuates.

Luck;
Ken

P.S. as has been mentioned that 0.7w panel is ridiculously low for charging the internal
battery of your ereader.

Last edited by Ken Maltby; 12-28-2011 at 01:57 PM.
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