Description LR44 is the IEC designation for an alkaline 1.5 volt button cell, commonly used in small LED flashlights, digital thermometers, calculators, cameras, calipers, watches, clocks, toys, multimeters, and laser pointers. The battery nomenclature is defined by the International Electrotechnical Commission (IEC) in its 60086-3 standard (Primary batteries, part 3 Watch batteries). The letter “L” indicates the electrochemical system used: a zinc negative electrode, manganese dioxide depolarizer and positive electrode, and an alkaline electrolyte. “R44” indicates a cylindrical (“round”) cell 11.4±0.2 mm diameter and 5.2±0.2 mm height. Technical Specifications Type: Non Rechargeable Battery Diameter : 11.4±0.2 Height: 5.2±0.2 mm. Weights ~ 1.8g Nominal Voltage: 1.5V Typical capacity: 100mAh – 128mAh Usable temperature range: -20 – 70 °C Battery Equivalents: LR44, LR44W, L1154, SR44, SG13, LR154, A76, S76, EPX76, 157, 303, 357 Package Includes 1x LR44 Alkaline 1.5V Button Cell Battery
