Description
The CR2 Battery: A Compact Powerhouse for Demanding Applications
The CR2 battery is a 3V lithium cylindrical cell known for its compact size and reliable performance. Measuring approximately 27mm in length and 15.6mm in diameter, it resembles a downsized C-cell battery—or, for easier visualization, a miniature metal can. Its efficient design makes it ideal for devices where space and weight are critical factors.
Key Features & Advantages
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High Energy Density: Delivers consistent power for energy-intensive applications.
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Long Shelf Life (Up to 10 years): Retains charge exceptionally well, making it perfect for emergency and infrequently used devices.
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Lightweight & Compact: Weighing only around 11 grams, it’s a preferred choice for portable electronics.
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Leak-Resistant Construction: Unlike alkaline batteries, lithium CR2 cells are less prone to leakage, enhancing device safety.
Common Applications
CR2 batteries are widely used in:
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Medical Devices (e.g., glucose monitors, surgical tools)
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Military & Tactical Equipment (e.g., night-vision goggles, laser sights)
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Photography & Electronics (e.g., cameras, flash units, specialty flashlights)
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Industrial & IoT Devices (e.g., sensors, remote monitoring systems)
Market Availability & Demand
Due to their versatility and reliability, these batteries are in high demand across multiple industries. However, their specialized nature means they can sometimes be harder to find in stock compared to standard AA or AAA batteries. Major manufacturers like Panasonic, Energizer, and Duracell produce CR2 cells, alongside smaller niche brands, ensuring a steady (though occasionally competitive) supply chain.
For consumers, purchasing from trusted suppliers is recommended to avoid counterfeit or low-quality cells, as inferior batteries may fail prematurely or even damage sensitive electronics.
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