ACDelco AA super Alkaline batteries are equipped with advanced technology you can count on. ACDelco Alkaline batteries perform better than the competition in high-drain and super high-drain 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 recloseable storage pack includes 40 AA batteries great for a variety of household devices including clocks remote controls and toys. The 1.5-Volt 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.