1644C Coin Battery

1644C Coin Battery

1644C is a lithium coin cell battery with high capacity and long cycle life, ideal for TWS earphones.
1644C Coin Battery

Features

  • Lithium coin cell 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)
1644C 16.1 4.6 90 350 3.7 4.2 3.3 2C/180mA 2C/180mA