The Energizer ECR2450BP 3V Lithium Coin Cell Battery (6 pack) is a reliable power source for low drain devices. With a voltage of 3V and a capacity of 620 mAh, these CR2450 batteries have a long expiration date of 03/2030. Made with lithium chemical composition, these coin cell/button batteries are perfect for a variety of consumer electronics that require a consistent and dependable power source. Each battery comes in a convenient pack of 6, ensuring you have plenty of backup power on hand.