Energizer e2 Lithium AAA Batteries are designed for cameras and other high-drain electronic devices. Lithium batteries last up to seven times longer than leading ordinary alkaline batteries and weigh 1/3 less than standard alkaline batteries. Batteries offer a leak-resistant construction and perform in even the most extreme temperatures from negative 40 to 140 degrees Fahrenheit. e2 Lithium AAA batteries offer a 15-year shelf life.