2 x DURACELL N Security MN9100 1.5V Alkaline Batteries Battery LR1 E90 AM5
Ideal if you need to keep a spare battery as they have a shelf life of at least 3 years. Replaces Part Numbers N, LR1, E90, 4001, KN, AM5. These Duracell LR1 clock batteries are long lasting alkaline batteries.