When the power goes out, Immense is the battery you need. This alkaline battery is designed to work in extreme conditions and for a long time. It can provide power for up to 7 years, even in the most extreme conditions. They are also safe to use, because they are designed to have a leak-proof casing. The Immense battery also has a powerful design, and will work in any environment. Immense Alkaline Battery has been improved with a corrosion-resistant battery casing and terminal to protect the battery from corrosion and can be used in any position. The batteries are leak-proof and the casing is made of recyclable materials. With Long Lasting power, Immense Alkaline Battery is the perfect solution for you.