Should mobile comanies provide solar charging facility in there handsets Like Calculater.
Hi jaydee, Some companies are already providing this feature, here's a link for more information: http://windupradio.com/isun.htm http://www.earthtechproducts.com/p7.html
Portable solar chargers are now become popular.such as solar cell phone charger,laptop solar charger.http://www.espow.com/whol...
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