Additional Details ------------------------------ Product description: The Energizer 2450 Battery. Power for heart-rate monitors, keyless entry, glucose monitors and more. Reliable power for a range of devices: heart-rate monitors, keyless entry, glucose monitors, toys & games Holds power for 8 years in storage Performs in extreme temperatures (-22 to 140 F) Child Resistant Packaging Cell size: 2450 IEC: CR2450 Type: Lithium Coin Volt: 3 Replacement for: 5029LC, CR2450, DL2450, ECR2450