The AA Duracell CopperTop Alkaline Batteries with Duralock Power Preserve Technology are reliable and long-lasting power sources for a variety of consumer electronics devices. With a voltage of 1.5V and an amp hours of 2.7 Ah, these batteries provide consistent and stable power for extended periods of time. The Duracell brand ensures quality and durability, while the Duralock Power Preserve Technology helps to maintain battery performance even after use. Ideal for everyday use, these AA batteries offer peace of mind with their extended life and compatibility with a range of devices.