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4 x Duracell + 4 x Energizer CR2 3 Volt Lithium Battery Combo (8 Total)

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SKU: 22796

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Sale: $87.63

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12-Pack CR2 Energizer 3 Volt Lithium Batteries (6 Cards of 2)

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SKU: 23363

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Sale: $97.99

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12-Pack CR2 Energizer 3 Volt Lithium Battery

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SKU: 21810

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Sale: $101.77

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6-Pack RCR2 3 Volt Lithium Ion Batteries

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SKU: 25950

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Sale: $110.59

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48-Pack CR2 WinPow 3 Volt Lithium Batteries

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SKU: 26229

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Sale: $136.77

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8 x Duracell + 8 x Energizer CR2 3 Volt Lithium Battery Combo (16 Total)

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SKU: 22797

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Sale: $166.17

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12-Pack CR2 Duracell Ultra 3 Volt Lithium Batteries (6 Cards of 2)

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SKU: 25641

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Sale: $176.39

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50-Pack CR2 Panasonic Industrial 3 Volt Lithium Batteries

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SKU: 25702

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Sale: $178.49

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24-Pack CR2 Energizer 3 Volt Lithium Batteries (12 Cards of 2)

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SKU: 22527

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Sale: $190.39

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24-Pack CR2 Energizer 3 Volt Lithium Battery

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SKU: 21813

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Sale: $195.99

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100-Pack CR2 WinPow 3 Volt Lithium Batteries

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SKU: 26230

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Sale: $260.39

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100-Pack CR2 Panasonic Industrial 3 Volt Lithium Batteries

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SKU: 25703

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Sale: $330.39

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24-Pack CR2 Duracell Ultra 3 Volt Lithium Batteries (12 Cards of 2)

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SKU: 25642

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Sale: $339.77

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48-Pack CR2 Energizer 3 Volt Lithium Batteries (24 Cards of 2)

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SKU: 22528

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Sale: $363.99

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48-Pack CR2 Energizer 3 Volt Lithium Battery

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SKU: 21919

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Sale: $377.99

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250-Pack CR2 WinPow 3 Volt Lithium Batteries

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SKU: 26231

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Sale: $587.99

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96-Pack CR2 Energizer 3 Volt Lithium Batteries (48 Cards of 2)

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SKU: 23364

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Sale: $708.39

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96-Pack CR2 Energizer 3 Volt Lithium Battery

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SKU: 25579

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Sale: $727.99

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400-Pack CR2 Panasonic Industrial 3 Volt Lithium Batteries

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SKU: 25223

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Sale: $1,077.99

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192-Pack CR2 Energizer 3 Volt Lithium Batteries (96 Cards of 2)

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SKU: 23365

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Sale: $1,408.39

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CR2 Batteries

The CR2 battery is a compact, high-performance, non-rechargeable Lithium battery widely used in small electronic devices requiring a stable, long-lasting power source. Known for its high energy density and extended shelf life, the CR2 battery operates at a nominal voltage of 3 volts with a capacity around 800 mAh. With a cylindrical shape (15.6mm in diameter and 27mm in length), the CR2 battery is slightly smaller than the CR123 battery, making it suitable for devices with limited space.

Key Features of CR2 Batteries

The CR2 battery offers several characteristics that make it ideal for high-drain and long-term applications:

High Energy Density: The lithium manganese dioxide (LiMnO2) chemistry provides a high energy density, allowing the CR2 battery to power small devices effectively for extended periods.Consistent 3-Volt Output: With a stable 3-volt output, CR2 batteries provide steady power throughout their lifespan, ensuring reliable performance in electronic devices.
Low Self-Discharge Rate: The CR2 battery has a low self-discharge rate, allowing it to retain its charge during extended storage periods. This makes it ideal for backup or emergency applications.
Wide Operating Temperature Range: CR2 batteries are designed to perform in extreme temperatures, from -40°C to +60°C, making them suitable for both indoor and outdoor use.
Compact and Lightweight: Due to its smaller size compared to other Lithium batteries, the CR2 is ideal for devices where space and weight are limited.
These features make CR2 batteries a dependable choice for small devices that require long-lasting, consistent power.

Common Applications for CR2 Batteries

Thanks to their compact size, high energy density, and durability, CR2 batteries are used in a variety of high-drain and compact devices:

Cameras: CR2 batteries are commonly used in compact digital and film cameras, providing reliable power for flash functions and other camera operations.
Medical Equipment: Certain portable medical devices, such as glucose meters and pulse oximeters, utilize CR2 batteries due to their consistent voltage and long-lasting power.
Wireless Alarm Systems: Wireless sensors and alarms often use CR2 batteries for dependable performance over extended periods.
Optical Devices: CR2 batteries are found in rangefinders, scopes, and other optical equipment, where a steady power source is essential for accuracy and performance.
Outdoor and Industrial Devices: The wide temperature tolerance of CR2 batteries makes them suitable for outdoor and industrial applications, such as environmental sensors or equipment used in challenging conditions.
The versatility of CR2 batteries makes them a preferred choice for various compact and high-drain applications across consumer, medical, and industrial fields.

Advantages of Using CR2 Batteries

CR2 batteries provide several benefits that make them suitable for a range of demanding applications:

Compact Power Source: With its small size, the CR2 battery provides substantial power without taking up much space, ideal for devices where compactness is key.
Long Shelf Life: The low self-discharge rate allows CR2 batteries to retain charge over long periods, making them convenient for emergency and backup use.
Reliable Performance in Extreme Conditions: With a wide operating temperature range, CR2 batteries perform reliably in both high and low temperatures, suitable for outdoor or industrial use.
Stable Voltage Output: The consistent 3-volt output ensures steady device performance, which is especially important for high-drain devices that rely on stable power.
These advantages make CR2 batteries ideal for users seeking a compact, reliable power source that performs well even in demanding environments.

Key Considerations When Choosing a CR2 Battery

When selecting a CR2 battery, it’s essential to consider factors like device compatibility, intended use, and environmental requirements:

Device Compatibility: Ensure that your device is compatible with a CR2 battery. Check the device manual to confirm the required voltage and size specifications.
Battery Capacity: The typical capacity of CR2 batteries is around 800 mAh. Devices with higher power demands may require more frequent battery changes, so consider the capacity if you need long-lasting power.
Operating Environment: For outdoor or industrial applications, the wide temperature range of CR2 batteries makes them ideal. If you expect to use the battery in extreme temperatures, ensure the brand you select specifies performance in those conditions.
Shelf Life and Storage Needs: For backup or emergency applications, select a brand with a low self-discharge rate and a long shelf life. Some brands offer up to a 10-year shelf life, ensuring the battery retains charge when stored.
Brand and Quality: Choosing a reputable brand ensures reliable performance, safety, and consistency. Trusted brands often provide additional features like leak resistance and superior construction, which enhance the battery’s durability.

Popular Brands for CR2 Batteries

Onlybatteries.com offers a variety of trusted brands for CR2 batteries, each known for quality and performance:

Panasonic: Panasonic CR2 batteries are popular for their reliable performance and long shelf life, making them ideal for high-drain devices like cameras and alarms.
Duracell: Duracell CR2 batteries are known for consistent power output and extended storage life, providing reliable performance in a range of applications.
Energizer: Energizer CR2 batteries offer durable power and extended runtime, known for stable output and long shelf life.
Tenergy: Tenergy offers high-quality CR2 batteries with reliable power, often at a more affordable price point, suitable for a range of small electronic devices.
Choosing a reliable brand ensures dependable performance, whether the battery is used immediately or stored for future use.

Choosing the Ideal CR2 Battery

The CR2 battery is a compact, powerful Lithium-based battery designed for high-drain and long-lasting applications. Here’s a quick recap of the main points:

Voltage and Capacity: 3 volts with approximately 800 mAh, providing reliable power for high-drain devices.
Common Applications: Cameras, medical equipment, wireless alarms, optical devices, and outdoor/industrial equipment.
Key Features: Compact size, high energy density, stable voltage output, wide temperature range, and long shelf life.
Popular Brands: Panasonic, Duracell, Energizer, and Tenergy, known for quality, reliability, and extended storage capability.

By choosing the appropriate CR2 battery based on your device’s requirements and usage environment, you can ensure optimal performance and long-lasting power. Whether you need dependable power for a camera, medical device, or security system, Onlybatteries.com offers a wide range of CR2 battery options to meet your needs.

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