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  • SPRON SII’s sophisticated metals with high durability and corrosion resistance.
  • DIANET SII’s sophisticated magnets with high heat resistance & corrosion resistance.
  • SII’s Micro Batteries with excellent overdischarge characteristics & longer cycle lives.
  • Products
    • Micro Battery
      • MS Rechargeable Battery
      • TS Lithium Rechargeable Battery
      • ML Lithium Rechargeable Battery
      • Chip type Electric Double Layer Capacitor
      • Silver Oxide Battery
    • SPRON
      • SPRON100
      • SPRON510
    • DIANET Samarium Cobalt Magnet
      • DIANET Samarium Cobalt Magnet

New Products / Topics

  • 07/01/2019

    New Products

    SII Develops World’s First*1 Reflowable MS Lithium Rechargeable Battery

  • 04/10/2019

    Topics

    Safety data sheet (SDS) is available

  • 04/24/2018

    Topics

    New Micro Battery Brochure Available.

  • 03/29/2016

    Topics

    New SR714SW and SR912SW SEIZAIKEN silver oxide battery information updated:

  • 02/10/2016

    Topics

    New Micro Battery Catalog 2016 is now available.

  • 08/26/2015

    Topics

    Add New Product Info :New Coin-Type Lithium Rechargeable Battery for Wide Temperature Range ;MS920T and MS621T

  • 07/16/2015

    New Products

    New Reflowable and Low Impedance Chip-Type Capacitor “CPX10080” series

  • 05/28/2015

    Events

    ees 2015 takes place from June 10 till June 12, 2015 in Munich (Germany)

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Watch Batteries MADE IN JAPAN - SEIZAIKEN Silver Oxide Battery
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