... 20*3.2mm 4. 5pcs/blister card or in bulk Lithium Button cell CR2032 3V/210mahSpecifications :1. Voltage:3V. 2. Capacity ... 2.2gApplication: watches, calculators, PC notebooks, electronic keys, card-type radios, IC cards, memory cards, medical equipment, and CMOS ... .20.5153CR2330322602330.20.5154CR2430322702430.21154.2CR2450326002450.21156.2Picture: Lithium battery CR2032 3v lithium button cell