3V Coin Cell Battery CR2025 (1PCs)

A Comprehensive Guide to the 3V Coin Cell Battery CR2025

The CR2025 is a widely used 3V lithium coin cell battery known for its compact size, reliability, and ability to deliver consistent power for a variety of electronic devices. This guide provides insights into its specifications, applications, advantages, and basic maintenance practices.

1. Specifications of the CR2025 Battery

• Voltage:
  • The CR2025 operates at a nominal voltage of 3 volts.
• Size:
  • The dimensions of the CR2025 battery are approximately 20 mm (diameter) and 2.5 mm (height), which is standard for a coin cell battery of this type.
• Capacity:
  • The typical capacity of a CR2025 battery is around 150 mAh (milliampere-hours), making it suitable for devices with moderate energy consumption.
• Chemistry:
  • The battery is composed of lithium, which contributes to its lightweight and high energy density compared to other battery types.
• Weight:
  • A single CR2025 coin cell usually weighs about 3 grams, which is relatively light and ideal for portable devices.

2. Common Applications

The CR2025 battery is widely utilized in various devices and applications, including:

• Watches:
  • Used in quartz watches, this battery provides accurate timekeeping due to its stable voltage output.
• Remote Controls:
  • Commonly found in remote controls for televisions, garage doors, and other electronics, providing reliable power for signal transmission.
• Toys and Games:
  • Typically employed in small electronic toys and games that require consistent power supply for operation.
• Medical Devices:
  • Often used in medical devices such as glucometers and thermometers where reliable and long-lasting power is crucial.
• Computers and Accessories:
  • Utilized in motherboards for CMOS memory, providing backup power to retain BIOS settings and system configurations.
• Key Fobs:
  • Frequently used in vehicle key fobs and keyless entry systems, providing the necessary energy for operation.

3. Advantages of the CR2025 Battery

• Long Shelf Life:
  • CR2025 batteries are designed to have a long shelf life, often lasting up to 10 years when stored properly, making them suitable for devices that do not require frequent battery replacements.
• Wide Temperature Range:
  • These batteries can operate effectively in a wide temperature range, typically from -20°C to +60°C, making them suitable for both indoor and outdoor devices.
• Stable Voltage:
  • The lithium chemistry provides stable voltage output, ensuring consistent performance of the devices it powers.
• Lightweight and Compact:
  • Its small size and lightweight nature make it ideal for portable electronic devices where space and weight are critical.

4. Maintenance and Usage Tips

While coin cell batteries like the CR2025 are relatively low-maintenance, users can follow these tips to ensure longevity and optimal performance:

• Proper Storage:
  • Store batteries in a cool, dry place away from direct sunlight and heat sources. This helps maintain the battery’s integrity and shelf life.
• Avoid Short Circuits:
  • Keep the battery terminals clean and avoid contact with metal objects that could cause short circuits.
• Check Device Compatibility:
  • Ensure that the device is compatible with the CR2025, as using the wrong battery can result in malfunction or damage.
• Replace Promptly:
  • When the power begins to diminish or the device shows signs of malfunction, replace the old battery promptly to avoid leakage or damage to the device.
• Dispose Properly:
  • Follow local regulations for battery disposal, as lithium batteries can be hazardous to the environment. Recycling programs are often available for proper disposal.

Conclusion

The 3V Coin Cell Battery CR2025 is an essential component in various electronic devices, bringing convenience and reliability at a compact size. Understanding its specifications and applications provides insights into its importance in everyday technology. By following proper maintenance practices, users can ensure they get the most out of their CR2025 batteries, contributing to the performance of the devices they power.