Nominal Voltage: 3.7V  
Max. Charge Voltage: 4.2V (± 0.05V)  
Discharge Cut-off Voltage: 2.5V or 2.75V  
Capacity: 1200mAh (minimum to typical)  
Standard Charge Current: 240mA (0.2C) to 1A  
Rapid Charge Current: 1A to 2A  
Internal Resistance: Typically 50mΩ to 25mΩ.  
Cell Weight: Approximately 35g  
Dimensions: Diameter ~18mm, Length ~65mm
    
# Operating Temperature Ranges    
     Charging: 0°C to 50°C  
     Discharging: -10°C to 50°C