1. Protected Li-ion Rechargeable Battery CR2-P1 2. Minimum Capacity: 520mAh 3. Nominal Capacity: 490mAh 4. Normal Voltage: 3.6V 5. Quality Li-ion rechargeable cell made in China 6. In Built Safety Circuitry 7. Protection Circuit (Against over charge, over discharge, over current and short circuit.) 8. 4.2 volts max voltage and 3.6 volts nominal voltage 9. Over 500 charge-discharge cycles
