Features: Ensure long-lasting use and stable output voltage with these LR41/AG3 button cell batteries. Perfect for low-power devices and reliable operation wherever you need them. Made of high-quality metal, these button cell batteries offer durability and functionality. Their small size allows for easy installation and convenient transport, making them suitable for watches, calculators, mini lights, remote controls, and more. These button cell batteries are suitable for all ages and fit anyone who needs to power their small electronic devices. Whether you are a student using a calculator, a professional relying on a watch, or someone who needs a reliable power source, these batteries are essential. From classrooms to offices, these button cell batteries find their place in a variety of environments. Use them in watches for accurate timekeeping, in calculators for precise calculations, and in a variety of other low-power devices. With their small size and easy installation, these button cell batteries are perfect for practical use. Specifications: Material: Lithium battery Option type: 5x button cell batteries, 10x button cell batteries, 20x button cell batteries, 30x button cell batteries, 50x button cell batteries, 100x button cell batteries. Note: Please allow 1-2 cm error due to manual measurement, please make sure you do not mind before ordering. Due to differences between different monitors, the picture may deviate from the actual color of the item. Package includes: Package A 5x LR41/AG3 button cell batteries Package B 10x LR41/AG3 button cell batteries Package C 20x LR41/AG3 button cell batteries Package D 30x LR41/AG3 button cell batteries Package E 50x LR41/AG3 button cell batteries Package F 100x LR41/AG3 button cell batteries