1254C 1254 Coin Battery

1254C 1254 Coin Battery

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

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.

1254C 1254 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
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