This is brand new never open 1 battery Renata 2450. This is brand new SEALED battery. Battery is seal by very very thin plastic so there is chance it got broke in shipment. I use first class shipping. If you have any issue upon arrival please contact us and I will do my best of take care of you. Thank you for your business For electronics around the house, like keyless entry, electronic books and glucose monitors, Energizer goes beyond the basic battery sizes to bring you the ones you need.Product SpecsReliable, dependable powerUsed in heart rate monitors, keyless entry, glucose monitors, toys & gamesPerforms in extreme temperatures from -22ºF ~ 140ºFHolds power for 8 years when not in useCell size: 2450IEC: CR240Volt: 3Replacement for: 5029LC, CR2450, DL2450, ECR2450 Important: Coin Lithium batteries are not interchangeable. Both the diameter and thickness can vary based on the cell designation. While some device battery compartments may be sized in a way that different battery types can fit in the compartment, the capacities will vary by size. Energizer recommends that you use the cell designation specified by the manufacturer of your device or identified in the list provided above.

This is brand new never open 2 battery Renata 2450. This is brand new SEALED battery. Battery is seal by very very thin plastic so there is chance it got broke in shipment. I use first class shipping. If you have any issue upon arrival please contact us and I will do my best of take care of you. Thank you for your business For electronics around the house, like keyless entry, electronic books and glucose monitors, Energizer goes beyond the basic battery sizes to bring you the ones you need.Product SpecsReliable, dependable powerUsed in heart rate monitors, keyless entry, glucose monitors, toys & gamesPerforms in extreme temperatures from -22ºF ~ 140ºFHolds power for 8 years when not in useCell size: 2450IEC: CR240Volt: 3Replacement for: 5029LC, CR2450, DL2450, ECR2450 Important: Coin Lithium batteries are not interchangeable. Both the diameter and thickness can vary based on the cell designation. While some device battery compartments may be sized in a way that different battery types can fit in the compartment, the capacities will vary by size. Energizer recommends that you use the cell designation specified by the manufacturer of your device or identified in the list provided above.