<http://schema.org/about>
"The Joos Solar Charger makes some bold claims. First, the company states that it generates 20 times the charge of other personal solar chargers on the market. There is no data on their website showing exactly what numbers"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/solar-technology/joos-solar-charger-tested-in-a-tub-of-water-in-the-shade-still-charges-video.html>