Classification of Products Chemical System for Cylindrical Lithium Designation of Lithium/Iron Disulfide (Li/FeS2) The ANSI 24-LF and IEC-FR03 1.5 volts is the nominal voltage. Compatibility of Sizing: E92, NH12, 1212 Storage -40°C to 60°C (-40°F to 140°F) is the temperature. -40°C to 60°C (-40°F to 140°F) is the operating temperature. * Average Weight: 7.6 g (0.3