N" Battery 2 Pack. Extra heavy duty green 1.5 volt battery. Compatible with the following battery part numbers: 4001, 810, 910A, A910, AM-5, AM5, E90, E90BP-2, KN, KN-1, KN-2, LADY, LR-N, LR01, LR1, MN9100, N, PC9100, UM-5, UM5, VLR1.