Duracell 2450 Lithium Coin Cell Battery features DuraLock Power Preserve Technology, ensuring long-lasting power when you need it most. This battery is specially designed for use in a wide range of devices including watches, medical devices, security systems, fitness trackers, toys, and various electronic gadgets. It is equivalent to DL2450 and CR2450 batteries, providing reliable and consistent performance for your essential devices. Model Number: 44287