Camelion super heavy duty battery 9VFeatures Reliable battery technology Ultra long lifespan Outstanding chemical constructure and quality No mercury and no cadmium added to the formula Camelion Zinc Carbon Batteries are also known as the Super Heavy Duty Batteries, with the advantage of leak proof and characteristics of providing stable current and durability, it's a perfect power solution for small household electronics such as clocks, flashlights, remote controls, etc.