14, May 2024
BR2/3A Battery: A Comprehensive Guide
BR2/3A Battery: A Comprehensive Guide
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BR2/3A Battery: A Comprehensive Guide
Introduction
The BR2/3A battery, also known as the 3-volt lithium coin cell battery, is a compact and versatile power source commonly used in a wide range of electronic devices. Its compact size, high energy density, and extended shelf life make it an ideal choice for applications where space is limited and long-term performance is required. This article provides a comprehensive guide to the BR2/3A battery, exploring its specifications, chemistry, applications, and best practices for usage and storage.
Specifications
- Voltage: 3 volts
- Chemistry: Lithium Manganese Dioxide (Li-MnO2)
- Nominal Capacity: 240 mAh
- Diameter: 12.5 mm
- Height: 3.0 mm
- Weight: Approximately 2 grams
Chemistry
The BR2/3A battery utilizes lithium manganese dioxide (Li-MnO2) chemistry. This electrochemical system offers several advantages, including:
- High Energy Density: Li-MnO2 batteries provide a high energy density compared to other battery chemistries, allowing for a compact size and extended runtime.
- Long Shelf Life: Li-MnO2 batteries have an exceptional shelf life, typically exceeding 10 years when stored properly.
- Wide Temperature Range: These batteries can operate within a wide temperature range, typically from -20°C to +60°C, making them suitable for various environmental conditions.
Applications
BR2/3A batteries find applications in a diverse range of electronic devices, including:
- Smartwatches and Fitness Trackers: These devices require compact and long-lasting power sources to support their advanced features and extended usage time.
- Hearing Aids: BR2/3A batteries provide reliable power for hearing aids, ensuring optimal performance and clarity of sound.
- Keyless Entry Systems: Car key fobs and other keyless entry devices rely on BR2/3A batteries for their remote operation.
- Medical Devices: Implantable and wearable medical devices, such as pacemakers and glucose monitors, utilize BR2/3A batteries for their critical power needs.
- Toys and Electronics: Small toys, remote controls, and other electronic devices commonly employ BR2/3A batteries due to their compact size and long-lasting performance.
Usage and Storage Best Practices
To ensure optimal performance and longevity of BR2/3A batteries, it is essential to follow these best practices:
- Correct Installation: Always ensure that the positive (+) and negative (-) terminals of the battery are aligned correctly with the corresponding contacts in the device.
- Avoid Short Circuits: Never allow the positive and negative terminals of the battery to come into contact, as this can lead to a short circuit and potential damage.
- Proper Storage: Store BR2/3A batteries in a cool, dry place away from direct sunlight. Avoid extreme temperatures, as they can degrade battery performance.
- Dispose Responsibly: When discarding used BR2/3A batteries, follow local regulations for proper disposal. Do not incinerate or puncture the batteries.
Advantages and Disadvantages
Advantages:
- Compact size and lightweight
- High energy density and extended runtime
- Excellent shelf life
- Wide temperature range
- Low self-discharge rate
Disadvantages:
- Limited capacity compared to larger batteries
- Not rechargeable
- Can be sensitive to high temperatures
Conclusion
The BR2/3A battery is a versatile and reliable power source for a wide range of electronic devices. Its compact size, high energy density, and long shelf life make it an ideal choice for applications where space is limited and long-term performance is required. By understanding the specifications, chemistry, applications, and best practices for usage and storage, users can optimize the performance and longevity of their BR2/3A batteries.
Closure
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