5Plus Group 20 Pcs AG0 LR521 379 SR521 SR521W Alkaline Button Cell Batteries – Ideal for Watches, Calculators, Toys, Lasers, Clocks, Thermometers, and More

Wide Compatibility: Replaces AG0, LR521, 379, SR521, SR521W, and other similar battery types. Perfect for watches, calculators, toys, lasers, clocks, thermometers, and more

Reliable 1.5V Power: Provides consistent and long-lasting 1.5V alkaline power to keep your small devices running smoothly

Quality & Safety: CE and ROHS certified, mercury-free, and meets strict safety standards and reliable use

20-Pack Convenience: Includes 20 batteries, ensuring you have a reliable supply of replacements for your electronics

Long Shelf Life: Fresh, long-lasting batteries with a shelf life of up to 3 years, providing dependable power when you need it

Versatile Use: Ideal for a variety of small electronics, including watches, thermometers, clocks, and more