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Old laptop batteries can supply power for LED lights
2014-12-09 10:36:53

Old laptop batteries can supply power for LED lights
 

Recently, IBM researchers found that 70% old laptop batteries can supply power for LED lights. They disconnect the used batteries, take out the good battery cell, and add some other battery cell into it, then produce a complete battery pack. If we light up LED lamps 4 hours every day, the battery pack can supply power for 1 year. This invention of energy conversion is undoubtedly an important benefit for environment protection.


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