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|1923||Developed and released Cannon-Ball-Shaped battery-Powered Shell Lamps.
Released the "Excel Dry Battery" for Cannon-Ball-Shaped Battery-Powered Shell Lamps.
|1931||Started In-house production of Dry Batteries in Osaka, taking over Komori Dry Battery's Factory.|
|1935||Established the "National" Storage Battery Co., Ltd.
Established Matsushita Dry Battery Co., Ltd.
|1937||Released Automotive Lead-Acid Batteries.|
|1954||Released "National Hyper," First Fully Metal-Jacketed Dry Battery in Japan.|
|1963||Released "National Hi-Top" Manganese Dry Batteries.|
|1967||Released Alkaline Batteries.
Developed Compact Sealed Lead-Acid Batteries.
|1969||Released "National Neo Hi-Top" Manganese Dry Batteries.|
|1970年||Released "Pananica" Ni-Cd Batteries.|
|1971||Developed Lithium Primary Batteries (Graphite Fluoride BR Line).|
|1979||Established Matsushita Battery Industrial Co., Ltd.|
|1987||Released "Ultra Alkali" and "Panasonic Alkali" Alkaline Batteries.|
|1989||Developed Nickel Metal Hydride Batteries.|
|1991||Released Mercury-Free Manganese Batteries.|
|1992||Released Mercury-Free Alkaline Batteries.|
|1994||Developed Lithium Ion Batteries.|
|2008||Released "Evolta" Alkaline Dry Batteries.
Established Panasonic Corporation Energy Company.
Released "Rechargeable Evolta" Nickel Metal Hydride Batteries.
|2009||Developed multipurpose lithium ion battery modules.|
|2010||Completed Suminoe Plant.|
|1964||Started operation of Sumoto Plant.
Started production of "Cadnica" Ni-Cd Batteries.
|1973||Started production of "Cadnica" Battery Chargers.|
|1980||Started production of the world's first amorphous silicon solar cells.|
|1992||Installed Japan's first solar power system in private house.|
|1994||Started sales of the residential solar power system.
Started production of Cylindricaltype Lithium-ion Batteries.
|1995||Started production of Prismatictype Lithium-ion Batteries.
|1997||Started production of HIT photovoltaic modules.|
|1999||Started production of Lithium Polymer Batteries.|
|2000||Started sales of the world's first double-sided solar module, "HIT Double".|
|2001||Completed world's largest class photovoltaic generation system "Solar Ark".|
|2004||Started mass production of battery system for Ford Escape Hybrid.
Started mass production of battery module for Honda.
Started operation of Nishikinohama Plant.
|2005||Started sales of "eneloop".|
|2010||Established Lithium-ion Standard Battery System Mass Production.
Started mass production of lithium-ion batteries for HEV in Tokushima Plant.
Completed "Green Energy Park" in Kasai.
|2012||Established Energy Company of Panasonic Group|
|2013||Established Automotive & Industrial Systems Company|
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