1254C Coin Battery

1254C Coin Battery

The 1254 coin battery is our most popular coin battery product yet, and is powering multiple TWS devices from top brands.
1254C Coin Battery


  • 1254 coin battery for small hearable and wearable devices;
  • 3rd generation product with improved capacity and safety performance;
  • Manufactured using VDL's proprietary stacking technology;
  • Fully certified;
  • 1 year product warranty;
  • Up to US$20 million product safety insurance


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


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)
1254C 12,1 5.6 60 400 3.7 4.2 2.5 2C/120mA 2C/120mA