AG8 Button Cell Battery (LR1120, 389, SR1120) The AG8 is a 1.5V alkaline button cell battery designed to power a variety of compact electronic devices. With a diameter of 11.6 mm and a height of 2.05 mm, it's ideal for use in watches, calculators, digital thermometers, toys, and small medical instruments. The AG8 provides steady, reliable performance and is built with a leak-resistant design for safety and durability. Key Features: Voltage: 1.5V Size: 11.6 mm (diameter) x 2.05 mm (height) Reliable, long-lasting power Suitable for low-drain devices Leak-resistant for added protection Also known as: LR1120, 389, SR1120, L1120, GP89A, V389, AG1120