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Light-based battery makes its own power
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Light-based battery makes its own power
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22nd June 2015, 07:27
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| [M] Reviewer  Join Date: May 2010 Location: Romania
Posts: 148,500
 |  Light-based battery makes its own power Sure, you can make solar-powered devices that store their excess energy in a battery, but what about the battery itself? Unfortunately, it's still behind the times -- the lithium-ion cells you see today have to be connected to another device to charg... http://www.engadget.com/2015/06/21/l...=rss_truncated |
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