8 pack of Energizer Ultimate Lithium AA Batteries Energizer Ultimate Lithium AA batteries are the world's longest lasting AA batteries Performs in extreme temperatures from -40 degrees F to 140 degrees F to ensure reliable use in all seasons These double A batteries are leak proof batteries, guaranteed based on standard use Lightweight household batteries last up to 25 years in storage Includes recycled materials *Steel up to 10% Recycled, excluding 9V