Powermax 9V Alkaline Batteries are equipped with superior battery technology you can depend on. Powermax alkaline batteries are ultra long lasting batteries and provide optimum performance in high-drain and super high-drain devices. This recloseable assortment pack includes 12 size rectangular 9V batteries that deliver the right amount of power for your needs. Powermax alkaline batteries are great to have on hand for a variety of everyday household devices, including garage door openers, smoke detectors, radios, toys, and more. Powermax 9V assorted alkaline batteries won't leak and are designed to last ten years in storage. The 9 volt batteries contain no mercury or cadmium, making them a smart choice for your family and for the environment. At Powermax, our mission is to provide trusted and dependable power for everyday needs.