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

3.3V, High Capacity and Long Cycle Life

Seiko Instruments Inc. (SII) (head office: Chiba City, Chiba; President: Tetsu Kobayashi) today announced the development of manganese-silicon (MS) lithium rechargeable batteries MS621R and MS421R enabling reflow mounting in the mounting process. Samples of MS621R are scheduled to be available in August 2019 and MS421R in October 2019.

*1 Based on SII’s research of MS (manganese-silicon) type lithium rechargeable batteries, as of the end of June 2019.

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