Energizer is the battery you count on every day to power your familys toys, home electronics and flashlights is even better. Energizer MAX AA batteries now hold their power for 10 years. Energizer proprietary Power Seal Technology is assurance that youll have power you can rely on, whether youre capturing babys first steps, competing in the final level of a video game marathon, or preparing for a storm on the horizon. A 10 year shelf life means that you can be confident youll always have power when you need it most. that's positivenergy! Features and Functions: World's 1st Zero Mercury AA Alkaline Battery: Energizer is a leader in the industry in powering people's lives responsibly Up to 10 years shelf life Made in USA