Energizer L91BP4 4-pack AA Lithium Batteries Specifications: Temperature: -40°F (-40°C) to 140°F (60°C) Operating Leak resistant construction Compatibility: Digital and Photo Flash Cameras MP3 and Portable CD Players Handheld Games GPS Units Energizer e2 Lithium AA Batteries are designed for high-drain electronic devices. Each battery takes up to 630 pictures while leading ordinary alkaline batteries only take up to 90 pictures. Weigh 1/3 less than standard alkaline batteries. Perform in even the most extreme temperatures from -40 to 140 degrees Fahrenheit. e2 Lithium AA batteries offer a 15-year shelf life. Battery Voltage: 1.5V Parts: 90 days limited Labor: 90 days limited