Duracell PRO9V Procell Constant Power 9-Volt Alkaline Battery - Box of 12

The Duracell PRO9V Procell Constant Power 9-Volt Alkaline Battery is a reliable, longer lasting battery than the previous Procell batteries. Featuring a 7-year shelf life, each battery is individually date coded for peace of mind and simple replacement. These 9-Volt alkaline batteries are specifically designed for intermittent use, so the battery is not expelling energy when the device is off, providing a longer life and increased productivity. The Duracell® Procell Constant Power batteries are manufactured to strict specifications to meet the highest standards of durability, longevity, and efficient power which is why they last up to 10X longer than other industrial alkaline batteries.