BATTERY-4LR44

4LR44 alkaline battery. This is a specialty battery often used in film cameras, dog training collars, and some medical devices.
​Here is a quick breakdown of what makes this battery unique and how it works:
​Technical Specifications
​Voltage: 6V (Six Volts)
​Chemistry: Alkaline
​Internal Structure: It is actually composed of four tiny LR44 (1.5V) button cells stacked together inside the casing. This is where the name "4LR44" comes from.
​Common Equivalents: PX28A, A544, L1325, and V4034PX