Energizer CR123A batteries are high performance lightweight single use power source for many of today’s smart home devices. Designed to provide high energy output and stable voltage for power hungry devices. Energizer CR123A lithium batteries are now available in outer cartons of 60. Originally designed for use in photographic equipment the Energizer CR123A batteries are now widely used in a variety of other industries. The security industry uses them in wireless security systems, PIR detectors, wireless door and window sensors. General Features • High Performance: Provides high energy output and stable voltage for professional equipment. • Low Self Discharge: Energizer CR123A batteries have extremely low self-discharge, typically