lithium button cell CR2016: 3.0V, 75mAh, 1.7g, ideal for computer main board, memory card, thief alarm, music card and so on. Great Power lithium button cell CR2016:Nominal voltage: 3.0VLow Annual self-discharge rate: <10%Long storage period: over 10 yearsOEM orders are welcomeAvailable Types: CR2032, CR2450, CR2477, CR3032, CR1216, CR1620, CR1016 and so on lithium button cell CR2016