Specifications：

Classification: "Lithium Coin" 

Chemical System: Lithium / Manganese Dioxide (Li/MnO2 ) 

Designation: ANSI / NEDA-5004LC, IEC-CR2032 

Nominal Voltage: 3.0 Volts 

Typical Capacity: 235 mAh (to 2.0 volts) (Rated at 15K ohms at 21°C) 

Typical Weight: 3.0 grams (0.10 oz.) 

Typical Volume: 1.0 cubic centimeters (0.06 cubic inch) 

Max Rev Charge: 1 microampere 

Energy Density: 198 milliwatt hr/g, 653 milliwatt hr/cc 

Typical Li Content: 0.109 grams (0.0038 oz.) 

Operating Temp: -30C to 60C 

Self Discharge: ~1% / year