ACDelco AA and AAA Super Alkaline Batteries are made with advanced technology you can count on. ACDelco batteries perform better than the competition in high-drain and super high-drain devices and they provide consistent performance. ACDelco batteries are designed for long shelf-life thanks to advanced formulation that helps maintain power over time. This pack includes (100) AA and (100) AAA 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. ACDelco a trusted national brand.