1. Protected 18500 Li-ion Rechargeable Battery P1850C42. Typical Capacity: 2600mAh (Min. Capacity: 2500mAh)3. Nominal Voltage: 3.6V/3.7V4. In Built Safety Circuitry (IC made in Japan)5. Protection Circuit (Against over charge, over discharge, over current and short-circuit.)6. 4.2 volts max voltage and 2.5 volts cut-off voltage7. Over 500 charge-discharge cycles8. Customize option: Top (Button/Flat), Max. discharge current, Private label, Packing…9. Battery Certification : UN38.3, CE, ROHS, MSDS, Regulation (EU) 2023/1542
