502530 Square Pouch Battery

502530 Square Pouch Battery

502530 lithium rechargeable square battery is best for wireless headphones, TWS charging cases or smart watches.
502530 Square Pouch Battery


  • Rechargeable square battery ideal for wearables and wireless smart devices;
  • High capacity and long cycle life;
  • Fully certified;
  • 1 year product warranty;
  • Up to US$20 million product safety insurance


  • Bluetooth headphones and audios;
  • TWS charging cases;
  • Smart watches;
  • Pet trackers;
  • Wireless mice;
  • Wearable cameras;
And more......


Model Maximum Dimension (mm) Minimum Capacity (mAh) Internal Impedance (mΩ) Normal Voltage (V) Charge Ending Voltage (V) Maximum Charge Current Maximum Discharge Current
Thickness (mm)  Width (mm) Length
502530 5.0 24.5 30.0 400 140 3.7 4.2 1C/400mA 1C/400mA