The Duracell Optimum AA Alkaline Batteries 12 Pack offers reliable power for a wide range of devices with a total capacity of 2.3Ah. With a voltage of 1.5V and a 10-year manufacturer warranty, these batteries are suitable for both high and low drain applications, making them a versatile and long-lasting option for your power needs. The expiry date of 2036-03 ensures that you can rely on these batteries for your devices for years to come.