1238 Coin Battery

1238 Coin Battery

Rechargeable lithium coin battery specificly designed for thinner devices
1238 Coin Battery

Features

  • Rechargeable lithium coin battery in miniature size ideal for small hearable and wearable devices;
  • Manufactured using VDL's proprietary stacking technology;
  • High capacity and long cycle life;
  • Fully certified;
  • 1 year product warranty;
  • Up to US$20 million product safety insurance

  • Applications

  • TWS earphones;
  • Wearable devices;
  • Smart jewelries;
  • Wearable medical sensors;
  • And more......

    Specifications

    Model
    Maximum Dimension (mm)
    Minimum Capacity (mAh)
    Internal Impedance (mΩ)
    Normal Voltage (V)
    Charge Ending Voltage (V)
    Approximate Weight (g)
    Maximum Charge Current
    Maximum Discharge Current
    Diameter (mm) 
    Height (mm)
    1238
    12.1
    4.0
    35
    600
    3.7
    4.2
    1.6
    1C/35mA
    2C/70mA