AG13 Button Cell Battery LR44 Alkaline Manganese Dioxide cells are commonly used in cameras, calculators, toys and watches. Type Alkaline. Voltage 1.5V. Diameter 11.6 mm. Height 5.4 mm. Also known as LR44, G13A, LR1154, L1154,RPX675, D76A, V13GA, PX76A, PX675A, GPA76, 1128MP, 1166A, S76.