The Duracell Lithium CR123 CR17345 3V Batteries 4 Pack is a set of high-quality single-use batteries ideal for various sound and vision devices. With a voltage of 3V and a lithium chemical composition, these batteries offer reliable power for long-lasting use. The convenient 4-pack ensures that you have an ample supply of batteries on hand for all your electronic needs. Trust in the Duracell brand for dependable and efficient power solutions. Pack of 4 batteries Expire between 2029 -2031