Energizer e2 3-volt lithium photo battery 2-pack energizer® specialty lithium batteries have been developed to provide optimum, long-lasting performance for your film and digital cameras. Batteries so dependable that you can count on them shot after shot. Features perform in extreme temperatures from -40°f to 140°f holds power for up to 10 years when not in use leak-resistant construction 3 volts lithium batteries also deliver long-lasting power to keep up with today's high-tech flashlights, flash units, rifle scopes and night vision goggles as well as photographic devices, it also works with certaincalculators, pagers,watches, and more. It has a storage life of up to 10 years, and is reliable in high and low temperatures. Replacement for 5018lc, cr123, cr123a, cr17345, el123.