The Energizer 624423 is a Size N Alkaline that is ideal for electronics around the house. It is used for keyless entry, electronic books and glucose monitors. Energizer goes beyond the basic battery sizes to bring you the ones you need. * Great for Bluetooth headsets, glucose and blood pressure monitors * Cell size: E90/N size * Voltage: 1.5V * Replacement for: 4001, 810, 910A, AM5, KN, Lady, LR1, MN9100, UM-5 * Supplied Singularly * Manufacturer's part: Energizer 624423 Alkaline Size N https://elecena.pl/product/27755467/energizer-624423-alkaline-size-n-battery-x1 2025-01-24 https://elecena.pl/product/27755467/energizer-624423-alkaline-size-n-battery-x1 2025-07-21