ACDelco 9V Super Alkaline Batteries are equipped with advanced technology you can count on. ACDelco batteries perform better than the competition devices and they provide consistent discharge performance. ACDelco alkaline batteries are designed for long shelf-life with stainless steel pre-coating that prevents leakage and advanced ingredient formulation that helps maintain power over time. This re-closeable storage pack includes 12 9-volt batteries great for a variety of household devices including smoke alarms intercoms walkie-talkies and more. The 9V batteries contain no mercury or cadmium making them a smart choice for your family and for the environment. A trusted national brand ACDelco offers a wide variety of batteries you can count on including alkaline batteries lithium coin cell batteries rechargeable batteries and car batteries.