Nothing outlasts Energizer Ultimate Lithium AA Batteries. These household batteries are not only the world's longest lasting AA batteries, but they also feature leak resistant construction and superior performance in extreme temperatures ranging from -40 F to 140 F. Use these AA lithium batteries to power a variety of high tech and household items, whether you need smoke detector batteries, camera batteries, or double A batteries to power your child's favorite toys and games. Ultimate Lithium Energizer AA batteries weigh one-third less than standard alkaline batteries, and they hold power for up to 20 years in storage, letting you keep a ready supply available when you need them. To ensure your favorite devices operate at their peak performance, depend on Energizer Ultimate Lithium batteries for work, play and home. Product Features 8-pack of Energizer Ultimate Lithium AA Batteries Energizer Ultimate Lithium AA batteries are the world's longest lasting AA batteries Superior performance in extreme temperatures from -40 degrees F to 140 degrees F ensure reliable use in all seasons Double A batteries are leak proof batteries, guaranteed based on standard use AA battery 24-pack lasts up to 20-years in storage Use in high tech items, like digital cameras or game controllers, and household items such as smoke detectors, toys and games Feel confident knowing you have the long-lasting lithium power and protection you expect from Energizer Product Specifications Battery Capacity (mAh): 3000.0 Battery Power Type: Lithium Battery Size: AA Cell Type: Lithium Number in Package: 8 Voltage (V): 1.5 V