VERY LONG EXPIRY DATE DECEMBER 2041 or 2042 Get the ultimate power with the Energizer AA Ultimate Lithium Ultra Batteries. This box of 100 batteries assures you of long-lasting power with an expiration date of December 2041 or 2042 These AA batteries are perfect for high drain devices and solar or wind devices. Each unit contains a lithium chemical composition with a voltage of 1.5 V. The AA, LR6, LR06, L91, and MN1500 battery sizes are compatible with a variety of devices. These batteries come in a box pack and are suitable for use in sound and vision, as well as multipurpose batteries and power categories. Get the power you need with Energizer AA Ultimate Lithium Ultra Batteries!