Around two billion people in rural Regions, numerous plants in the Telecommunications,
environmental monitoring and four billion portable electronic devices have one thing in common:
They all need a net-independent power supply.
The market of miniature solar cells is estimated currently at approx. $ 9.1 billion.
http://www.technavio.com/content/global-market-miniature-solar-cells-2008-2012-0
http://www.prweb.com/releases/battery_chargers/industrial_automotive/prweb4677694.htm