AG13 Alkaline Button Cell Battery (LR44, A76, 357) The AG13 is a powerful 1.5V alkaline button cell battery designed for use in a wide range of small electronic devices. With a diameter of 11.6 mm and a height of 5.4 mm, it’s a popular choice for watches, calculators, laser pointers, toys, medical devices, and digital thermometers. Known for its reliable performance and long-lasting power, the AG13 is one of the most commonly used button batteries worldwide. Key Features: Voltage: 1.5V Chemistry: Alkaline Size: 11.6 mm (diameter) x 5.4 mm (height) Long-lasting and stable energy output Leak-resistant construction Ideal for high and low-drain devices Also known as: LR44, A76, 357, L1154, AG76, G13, GP76A, SR44 (silver oxide equivalent)