VEVOR - 9V Alkaline Batteries, 12-Pack, 9 Volt Square Battery for Smoke Detector, 10-Year Shelf Life, Long Lasting

Ideal for smoke detectors, wireless microphones, multimeters, flashlights, and more. Store in a cool, dry place for up to 10 years of shelf life with a leak-proof design. Contain no mercury, cadmium, and lead. Our 9 volt batteries are a cleaner choice for your family and the planet.