The Energizer LR1 battery (also known as N cell, E90, or 910A) is a small cylindrical alkaline battery designed for compact electronic devices.

Common Uses Energizer LR1 batteries are typically used in: Glucometers Laser pointers Remote controls small flashlights Clocks and timers Garage door openers, some medical devices. They are dependable and have power for high-drain devices. Leak-resistant construction long shelf life for storage.