One (1) Individual Battery Can be used for many applications: Photo cameras, Flashlights, light meters, and many other photo equipments Ultra long shelf life of 10 years with minimal natural discharge Ultra high energy density and last 3-5 times longer than ordinary alkaline batteries in high current drain devices like digital cameras. Fast Flash performance with a consistent and very short recycle time This highly performance CR123A can replace the following models: CR123, DL123A, K123A, EL123AP, VL123A, 5018LC, and CR17345