Duracell specialty alkaline button batteries provide up to 50% more power (vs. IEC standard test mini average duration for LR44 size. Results may vary) for your specialty devices. They feature Duracell's Duralock Power Preserve technology, which allows them to store power for up to 5 years. These batteries are designed for use in toys, calculators, and measurement devices. Specifications: Size: LR44 (A76), Pack Quantity: 4, Voltage: 1.5v.