5008, Longxing commercial building,Shenzhen City, China +0086-17620552786 info@coincell.cn

M7840S3

Rechargeable lithium-ion battery



7840 3.73V 17.5~19.5mAh coin battery cell

  • Medical Device battery
  • Hearing aid battery
  • TWS earphone battery
  • Button Cell
  • High capacity lithium ion battery


    • Awarded with Certificates

  • UL1642
  • IEC62133
  • UN38.3
  • Reach
  • ROHS


    • Battery Cell with different Pack method

  • Water-proof coating
  • Add Wire
  • Add Tab

    • Detail specification

    7840 3.73V 17.5mAh~19.5mAh full spec: Please Download here.

    Get In Touch

    5008, Longxing commercial building, Huarong Road No. 58-61, Shenzhen

    info@coincell.cn

    +0086-17620552786

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