3V CR2025 Duracell lithium button battery Baby Secure technology: to discourage ingestion by infants and children, the back of the battery is covered with Bitrex®, a very bitter and disgusting, non-toxic substance Tamper-proof packaging: double reinforced packaging to prevent accidental opening. Can only be opened with scissors Duracell 2025 lithium coin batteries: up to 50% more energy Characteristics Brand: Duracell EAN code: 5000394203907 Supplier code: CR2025 Battery type:   Disposable battery Size of battery(s):   CR2025 Battery technology:   Lithium Battery Voltage:   3V Blister of 2