351123 Square Pouch Battery

351123 Square Pouch Battery

351123 lithium ion pouch battery is perfect for fitness trackers, pet trackers, bluetooth earphones or smart pens/stylus.
351123 Square Pouch Battery


  • Rechargeable lithium ion pouch battery for wearables and smart wireless devices;
  • 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;
  • Fitness trackers;
  • Pet trackers;
  • Smart pens/styluses; 
  • Smart glasses;
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
351123 3.5 11.3 23.5 77 300 3.8 4.2 1C/77mA 1C/77mA