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• n  a voltaic battery that stores electric charge

• accumulator

News & Articles

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• Sumitomo Electric to Supply Energy Storage System for Hokkaido
  Sumitomo Electric Industries Ltd. (5802) , a Japanese maker of electric wire, cables and electric monitoring systems, will supply a large-size storage battery system to stabilize the flow of wind and solar power on the northern island of Hokkaido.
  July 31, 2013 - Bloomberg