Sold as 1 Each. LITHIUM COIN BATTERY: Duracell's 2450 3V Lithium Coin batteries provide reliable, long lasting power for your medical devices, security devices, electronics and more. #1 TRUSTED BATTERY BRAND: This Duracell 2450 3 Volt Lithium Coin battery is equivalent to DL2450 and CR2450. IEC: CR2450. LONG LASTING POWER: Duracell Lithium Coin batteries are engineered for long lasting performance. Safety Data Sheet. CHILD-RESISTANT PACKAGING: To help ensure the safety of your children, Duracell Lithium Coin batteries come in a child-resistant package. Size (mm): 24.5 X 5. GUARANTEED FOR 10 YEARS IN STORAGE: Duracell Lithium Coin batteries are guaranteed for 10 years in storage. mAh: 620.