This 4 pack of Ultra Heavy Duty AAA Batteries is from Sony, a top tier brand known for delivering quality. Sony Ultra Heavy Duty batteries are ideal for low-drain devices. They are a low cost solution to your battery needs. 1.5 volts Carbon zinc formulation for extra heavy-duty service Ideal for low-drain devices like clocks, remotes, LED headlamps & LED flashlights Mercury- & cadmium-free Easy-open pack 4 pack
