Battery Type:LiMnO2;Size:20*3.2mm;Weight:3.1g;Chemical Type:Lithium-Manganese Dioxide;Storage temperature:-10 ℃ ~ +45 ℃;Operating temperature:-10 ℃ ~ +60 ℃;Shelf life:1 year;Validity period:3 years;OEM:Welcom;Packaging:blister card or bulk package an