331016 Square Pouch Battery

331016 Square Pouch Battery

This small lithium ion battery pouch cell is ideal for small smart devices, such as medical sensors, smart jewelry, etc.
331016 Square Pouch Battery


  • Rechargeable lithium ion battery pouch cell for small wearables and hearables;
  • High capacity and long cycle life;
  • High voltage with enhanced energy density;
  • Fully certified;
  • 1 year product warranty;
  • Up to US$20 million product safety insurance.


  • Bluetooth earphones;
  • Medical sensors;
  • Smart glasses;
  • Smart jewelry;
And more......


Model Maximum Dimension (mm) Minimum Capacity (mAh) Internal Impedance
Normal Voltage (V) Charge Ending Voltage (V) Maximum Charge Current Maximum Discharge Current
Thickness (mm)  Width (mm) Length
331016 3.3 9.9 16.5 40 500 3.8 4.2 1C/40mA 1C/40mA