As well as retaining its energy whilst in storage throughout its long shelf life, this Duracell CR223 battery is also good at holding its energy between uses. When using a digital camera it is essential that it is always powered to prevent from missing any camera worthy moments. The Duracell CR223 battery presents a durable, strong and reliable source of power allowing the assurance that every moment can be captured. A purchase of a larger quantity is recommended, to ensure that you will always have a spare 'back up' battery, when one does eventually need replacing, and with its fantastic shelf life, there is no risk of it draining its energy in the process. The Duracell CR223 battery can also be used in many security system sensors.