At Duracell we provide trusted power to those who depend on us to keep their lives charged. Duracell Lithium Batteries are crafted and infused with triple corrosion protection for battery power you can count on. Duracell Ultra Lithium CR2 Batteries provide long lasting power to your specialty devices such as smart home devices photo flashes security systems and video equipment. This double pack of high performance lithium batteries will last in storage for up to 10 years so you can be confident they will be ready when you need them. Duracell is the #1 trusted battery brand and we re proud to offer you Duracell High Performance Lithium CR2 batteries as part of Duracell s trusted lineup.