Energizer AAA Max BlackSilver Alkaline Batteries offer reliable power for all your household devices. With a nominal voltage of 1.5V and a zinc-manganese dioxide composition these batteries are designed to last longer in demanding devices. They hold power for up to 10 years in storage and provide protection against leaks for up to two years after being fully used. This 4-pack ensures you have the energy you need for your everyday gadgets making them a dependable choice for powering your life responsibly.