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Batteries/Silver-oxide 050609
 Sony will launch world’s first small mercuy-free Silver-oxide batteries in January 2005.  Sony has developed technology to prevent zinc used in conventional Silver-oxide batteries from corroding, without using mercuy.  
 (July 2004) Energizer develops Multi-Drain watch batteries.  The new Silver-oxide cell chemistry allows the battery to be used in both low drain (analog) and high drain (digital) watches.  The new cell chemistry has resulted in a performance improvement by increasing the shelf life of the battery by 40%, from the current five years to seven years.  The Multi-Drain range will be available in August 2004.
(October,03)Batteries Power Micro Gastrointestinal Investigator