Uniross 9V Lithium Battery Pack of 1: Lasts 5x Longer Than Power Plus AlkalinesUniross lithium batteries 9V block L522 24-LF, IEC-FR03Superior performance in critical equipment at high temperaturesExcellent durability, batteries stay fresh for up to 10 yearsFeatures:Designation IEC 6AM6 / 9V BlockTechnology Lithium/Iron Disulfide&nb