Power various electronics, including cameras, flashlights, flash units, riflescopes, and night vision goggles, with this 3V, non-rechargeable Panasonic CR123A Lithium Battery. Thanks to its very low self-discharge rate, it holds its power for up to ten years in storage. Additionally, the cell has been engineered to resist extreme temperatures, in order to ensure good performance year-round in both indoor and outdoor environments.