12540 60mAh 3.7V Button Coin Cell Lithium Battery for TWS Headset, Elderly Hearing Aid


  • Targeted at consumer electronics, adopts special material systems and processes for the fast charge.
  • Drastically reduces charging time reducing downtime of electronics.
  • Charge characteristics:
    1.5C charging system
    1.5C charging rate — 20mins, capacity ≥50%; 40mins, capacity≥85%
    2C-3C charging systems:
    2C charging rate — 20mins, capacity ≥60%; 30mins, capacity ≥80%
    3C charging rate— 15mins, capacity ≥60%; 20mins, capacity ≥80%
  • Cycle life up to 500 times.
  • Widely used in TWS headset, Bluetooth speaker, wearable devices…



TWS headset, hearing aid

Model: PL12540 Nominal Voltage:  3.7V
Power: 0.222Wh Shipping Voltage:  3.8V-4.0V
Charging Cut-off Voltage:  4.2V Discharge Cut-off Voltage: 3.0V
Internal Resistance: ≤ 400 mΩ Standard Charging Current: 0.2C
Max. Charging Current: 1.0C Standard Discharge Current:  0.2C
Max. Discharge Current: 1.0C Nominal Capacity:  60mAh
Dimension: 12.28mm*5.60mm (Max.) Discharge Temperature: 0℃- +45 ℃
Charging Temperature:  0℃- +60 ℃ Cycle Life:  500 times >80%
Certification: UL, CE, KC, PSE, ROHS, UN38.3, MSDS…
Safety Protection:  Overcharge, over-discharge, over current and short circuit protection