Energizer silver oxide button cells energizer 635996 the energizer sr44 epx76 is a silver oxide button cell battery with zero mercury it has an average output capacity of 200mah the battery is ideal for high tech flashlights flash units and night vision gogglesthis silver oxide battery can be used as a replacement for the following batteries 1131so 357 a76 cr44 d357303 px76a px76 sr44 sr44w energizer 635996 size sr44 silver oxide button cell pack of 2