20 Pack LR1 Lady N E90 MN9100 UM-5 1.5V Alkaline Batteries Model: LR1 AM5 Size N 9 1.5V MN9100 Alkaline Battery Voltage: 1.5V size:12.030.2()mm Shelf life: 5 years Replacement for: 4001, 810, 910A, AM5, KN, Lady, LR1, MN9100, UM-5 Appliations:Photography devices,calculators,memory backup,pagers,bluetooth headsets, glucose and blood pressure monitors