1. Protected 18650 Li-ion Rechargeable Battery P1826K
2. Minimum Capacity: 2500mAh
3. Typical Capacity: 2600mAh
4. Normal Voltage: 3.7V
5. Quality Li-ion rechargeable cell made in Japan
6. In Built Safety Circuitry
7. Protection Circuit (Against overcharge, over discharge, over current and short-circuit.)
8. 4.2 volts max voltage and 2.5 volts cut-off voltage
9. Over 500 charge-discharge cycles