Recommended for use in high-drain professional devices, this pack of 12 Duracell Procell Intense 9V Batteries will keep your electronics running in peak condition. Whether it's for carbon monoxide detectors, smoke detectors, medical devices, or microphones, you'll have confidence knowing that Duracell Procell Intense 9Vs will keep everything run smoothly. Made from high-quality materials, these batteries are corrosion resistant and meet various major quality, safety, and environmental standards. Each battery is individually date-coded to ensure freshness and effective inventory management.