The Duracell CR123A battery demonstrates strength in its performance as well as reliable and durable energy. Duracell are reputable manufacturers of batteries and with the Duracell CR123A battery, they keep to their promise to produce only the best source of power. When using digital cameras it is crucial that they are powered by a battery that is powerful and durable. This battery is designed to easily cope with the fast demand for high draining energy, to prevent missing any moments. Cameras are however notorious for high drain usage, therefore having a spare at hand would be useful. There is no need to worry about any spare batteries draining their energy when in storage, which can often deter from pre purchasing to avoid wastage, but in the Duracell CR123A battery's case, there is the assurance of its shelf life , for up to seven years, which means pre-purchase is recommended, as the battery will retain its energy until it is required.