04250 Pin Battery Smart Pen Battery

04250 Pin Battery Smart Pen Battery

04250 pin cell can be used as stylus / smart pen battery, or as TWS earphone battery.

As a manufacturer of lithium batteries, VDL has 5 R&D bases and 1 doctor's workstation, which developed more than 1,000 battery models. Using winding and stacking production technology, the product can be used in many electronics industries.
04250 Pin Battery Smart Pen Battery


  • Li-ion pin battery ideal for stylus/smart pen battery;
  • Patented technology; 
  • High capacity and long cycle life;
  • Fully certified;
  • 1 year product warranty;
  • Up to US$20 million product safety insurance


  • TWS earphones;
  • Smart pens/styluses;
  • Smart jewelries;
  • Wearable medical sensors;
And more......


Model Maximum Dimension (mm) Minimum Capacity (mAh) Internal Impedance
Normal Voltage (V) Charge Ending Voltage (V) Approximate Weight (g) Maximum Charge Current Maximum Discharge Current
Diameter (mm)  Height (mm)
04250 4.65 25.9 32 800 3.7 4.2 1.1 1C/32mA 1C/32mA