Sonyshowed up bio battery at Eco-Products 2001 exhibition in Tokyo,, this bio-battery which generate energy from paper, cardboard, mixedup with water and it generate energy to turn on small fan withthis...
Ininitial stage this bio-battery is not as powerful as dry-batterieswhich are available in the market it can your MP3 Player but the mostimportant thing is this environmental friendly because it does notcontain any chemical or metal which makes it bad.. which makesenvironment very good..
GoodJob Sony keep it up!
Source: cnet
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