The worlds longest lasting AA battery in high-tech devices! Lasts up to 7 X longer in digital cameras Carries a 15 year shelf life 33 lighter than alkaline AA Takes up to 600 pictures Performs well in extreme temperatures (from -40C to 60C) Lasts up to 35 hours longer than leading ordinary alkaline alkaline in CD players Up to 12 CD player hours Mercury & Cadmium free with leak resistant construction