5Plus Group 10 Pcs AG0 LR521 379 SR521 Alkaline Button Cell Batteries – Ideal for Watches, Calculators, Toys, Lasers, Clocks, Thermometers & More

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

Long-Lasting 1.5V Power: Delivers reliable and consistent 1.5V power, ensuring that your small devices continue to perform at their best

High Quality & Safety: CE and ROHS certified, mercury-free, offering peace of mind for your devices

Convenient 10-Pack: Includes 10 batteries, providing you with a steady supply for frequent use, so you won’t have to worry about running out

Fresh & Reliable: Each battery has a 3-year shelf life, guaranteeing fresh batteries for optimal performance when you need them most

Versatile Applications: Ideal for a wide range of small electronic devices, including watches, calculators, thermometers, clocks, and more