Power digital cameras, flashlights, home security systems, and other devices with this 3V CR123A Lithium Battery from Panasonic. It can serve as a replacement for DL123A, EL123A, K123A, and 5018LC models. Thanks to its very low self-discharge rate, this battery will hold most of its power for up to 10 years in storage. Additionally, it is made to perform well in extreme temperatures.