CR2025 Lithium Button Cell Battery: A Comprehensive Guide

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CR2025 Lithium Button Cell Battery: A Comprehensive Guide

Introduction

CR2025 lithium button cell batteries are compact, lightweight, and long-lasting power sources commonly used in a wide range of electronic devices. Their unique design and chemical composition make them ideal for applications requiring a stable and reliable energy supply. This article delves into the characteristics, applications, and handling guidelines of CR2025 lithium button cell batteries, providing a comprehensive understanding for their effective use.

Characteristics of CR2025 Lithium Button Cell Batteries

CR2025 lithium button cell batteries are characterized by their:

• Compact Size: With a diameter of 20 mm and a height of 2.5 mm, CR2025 batteries are exceptionally small, making them suitable for space-constrained devices.

• Lightweight: Weighing approximately 3 grams, these batteries are incredibly lightweight, minimizing the overall weight of electronic devices.

• High Energy Density: Despite their compact size, CR2025 batteries deliver a high energy density, providing a substantial amount of power in a small package.

• Nominal Voltage: CR2025 batteries have a nominal voltage of 3 volts, making them compatible with a wide range of electronic devices.

• Long Shelf Life: These batteries can retain their charge for up to 10 years when stored properly, ensuring reliable performance even after extended periods of non-use.

Chemical Composition

CR2025 lithium button cell batteries utilize a lithium manganese dioxide (Li-MnO2) chemistry. This chemistry offers high energy density, stable voltage output, and excellent shelf life. The battery consists of a lithium anode, a manganese dioxide cathode, and an organic electrolyte.

Applications

CR2025 lithium button cell batteries find applications in various electronic devices, including:

• Watches: Powering analog and digital watches, providing long-lasting operation.

• Calculators: Supplying energy for basic and scientific calculators.

• Remote Controls: Enabling wireless control of electronic devices, such as televisions and stereos.

• Key Fobs: Providing power for keyless entry systems in vehicles and buildings.

• Medical Devices: Powering medical devices, such as blood glucose monitors and hearing aids.

• Toys: Supplying energy for small electronic toys, such as action figures and remote-controlled cars.

Handling Guidelines

To ensure safe and optimal performance, follow these handling guidelines for CR2025 lithium button cell batteries:

• Avoid Short Circuits: Keep batteries away from metal objects to prevent short circuits, which can lead to overheating and potential fire.

• Proper Disposal: Dispose of used batteries responsibly at designated recycling centers to minimize environmental impact.

• Store Properly: Store batteries in a cool, dry place away from direct sunlight and heat sources.

• Insulate Terminals: If storing batteries for extended periods, insulate the terminals with tape to prevent accidental discharge.

• Avoid Ingestion: Keep batteries out of reach of children and pets, as ingestion can be harmful.

Conclusion

CR2025 lithium button cell batteries are indispensable power sources for a wide range of electronic devices. Their compact size, high energy density, and long shelf life make them ideal for applications requiring a reliable and long-lasting energy supply. By understanding the characteristics, applications, and handling guidelines of these batteries, users can ensure their safe and effective use.

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