RE: Huge Capacity Solar Charger
Assuming it works according to spec it would probably make a good backup or
supplemental power source (assuming you can set the output to match the item
being charged or powered).
A quick search shows it available at a little better price other places like
here:
<
http://www.chinavasion.com/product_info.php/pName/high-capacity-solar-charger-and-battery-20000mah/
>
I see it on eBay for $189 shipped.