... mohm.Max. Internal Resistance(100Hz, mohm,AC):3.4 mohm.Operating Temperature : -40°C~+70°CStorage Temperature: -50~ +80°CTemperature Characteristics ... ≤4times initial measured valueCirculation Life: Voltage 2.7V~1.35V,temp.+25°C,Circulation charging and discharging 500,000 times, the ...