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Amazon's Choice: Overall Pick
PROCELL Constant C Cell Long-Lasting Alkaline Batteries (72 Pack), 10-Year Shelf Life, Bulk Value Pack for Consistent Moderate Drain Professional Devices
4.40
(262 reviews)
$71.44
Delivery Wed, Sep 10 Ships to Canada

Duracell� Procell Alkaline Battery, C
4.50
(1 reviews)
$33.09
Delivery Wed, Sep 10 Ships to Canada

PROCELL
Constant 9V Long-Lasting Alkaline Batteries (72 Pack), 5-Year Shelf Life, Bulk Value Pack for Consistent Moderate Drain Professional Devices
4.30
(134 reviews)
$99.98
Delivery Wed, Sep 10 Ships to Canada

Duracell
Coppertop AAA Batteries with Power Boost Ingredients, 24 Count Pack Triple A Battery with Long-Lasting Power, Alkaline AAA Battery for Household and Office Devices
4.80
(68 reviews)
$19.41
Delivery Wed, Sep 10 Ships to Canada

Energizer
Cr2 E2 3 Volt Photo Lithium Batteries 2 Card
4.50
(30 reviews)
$--

POWEROWL
CR2 3V Lithium Battery, 6 Pack High Capacity CR15h270 CR 2 C2 3 Volt Batteries Cell, Long Lasting Power
4.60
(1 reviews)
$9.99
Delivery Wed, Sep 10 Ships to Canada

BONAI
CR2 3V Lithium Batteries 8 Pack, 900mAh High-Capacity for Cameras, Golf Rangefinders, Smart Sensors & More (10-Year Shelf Life, Non-Rechargeable)
4.70
(96 reviews)
$7.99
Delivery Fri, Sep 12 Ships to Canada

4 x CR2 Panasonic Industrial 3 Volt Lithium Batteries
4.70
(586 reviews)
$--

JESSPOW
CR2 3V Lithium Battery, CR2 Batteries for Golf Rangefinder, Flashlight, Photo Cameras, Alarm Systems 2 Pack (Non-Rechargeable)
4.50
(598 reviews)
$5.89
Delivery Wed, Sep 10 Ships to Canada

CR2 3V Lithium Battery, CR15H270 1000mAh for Golf Rangefinder Nest Temperature Sensor Instax Mini Camera/Polaroid Camera Non-Rechargeable (CR2 6 Pack)
4.60
(3 reviews)
$--

Panasonic
CR2 3.0 Volt Long Lasting Lithium Coin Cell Batteries for Rangefinders, Cameras, Flashlights and Other Devices, 1-Battery Pack
4.70
(112 reviews)
$--

CR2 Battery, 12 Count CR2 3V Lithium Batteries for Golf Rangefinder, 850mAh, 10 Year Shelf Year
4.50
(739 reviews)
$10.99
Delivery Tue, Sep 16 Ships to Canada

4 x Panasonic CR-P2 (223A) 6 Volt Lithium Batteries (On a Card)
4.50
(153 reviews)
$--

Streamlight
69223 CR2 Lithium Batteries - 2 pk
4.50
(2 reviews)
$--

Avery
Easy Peel Printable Address Labels with Sure Feed, 1" x 2-5/8" Customizable Stickers, White, 3,000 Blank Mailing Labels, Great for Mailing, Shipping, and More (5160)
4.80
(20 reviews)
$26.99
Delivery Wed, Sep 10 Ships to Canada
Procell Constant CR2
The Procell Constant CR2 is a 3V lithium battery designed for low-drain, compact professional devices. With high energy density and a low self-discharge rate, it delivers reliable, long-lasting power for security sensors, remote controls, and small medical devices. Its durable design withstands extreme temperatures, ensuring performance in challenging environments. Ideal for industrial and healthcare applications, the CR2 is available in bulk, offering cost-effective, steady energy for professionals requiring dependable power solutions.
About Procell Constant CR2
Procell Constant CR2: Dependable Power for Compact Professional Devices
Introduction to the Procell Constant CR2 Battery
The Procell Constant CR2 is a 3V lithium battery designed for low-drain, compact professional devices. With a focus on longevity and reliability, this battery powers equipment like security sensors, remote controls, and small medical devices with steady, consistent energy. Its high energy density and low self-discharge rate make it a trusted choice for professionals in various industries. This article explores the features, applications, and benefits of the Procell Constant CR2, highlighting its role in professional settings.
Key Features of the Procell Constant CR2
The Procell Constant CR2 is engineered for low-drain applications, delivering a stable 3V output in a compact form. Its lithium chemistry provides high energy density, ensuring long-lasting performance in small devices. The battery’s low self-discharge rate allows it to retain power during storage, making it ideal for backup systems. Its durable design resists extreme temperatures, ensuring reliability in challenging environments, from industrial facilities to outdoor settings.
High Energy Density for Compact Devices
Despite its small size, the Procell Constant CR2 packs significant power, thanks to its lithium-based design. This high energy density makes it ideal for compact devices that require reliable, long-term power, such as wireless sensors and key fobs. Its ability to maintain consistent voltage ensures smooth device operation over extended periods.
Low Self-Discharge for Long-Term Readiness
The Procell Constant CR2’s low self-discharge rate ensures it remains ready for use, even after months of storage. This feature is critical for devices like smoke detectors or backup security sensors, where batteries must deliver power instantly when needed. Professionals can rely on the CR2 for consistent performance in critical applications.
Rugged Design for Versatility
Built to withstand extreme temperatures and harsh conditions, the Procell Constant CR2 is ideal for outdoor and industrial applications. Its robust construction ensures reliability in devices exposed to environmental challenges, making it a go-to choice for professionals in security, healthcare, and facility management.
Applications of the Procell Constant CR2
The Procell Constant CR2 is designed for low-drain, compact devices that require steady power over time. Its versatility makes it suitable for a variety of professional applications, including:
Security Systems
Wireless security sensors and key fobs rely on the Procell Constant CR2 for reliable, long-term power. Its low self-discharge rate ensures these devices remain operational, even in backup systems that are rarely used but must function instantly when needed.
Medical Devices
Compact medical devices, such as portable diagnostic tools, benefit from the Procell Constant CR2’s consistent voltage and long lifespan. Its reliability is critical in healthcare settings, where accurate performance can impact patient outcomes.
Photography and Electronics
The Procell Constant CR2 is a popular choice for compact cameras and other small electronics. Its ability to deliver steady power ensures smooth operation, making it a favorite among photographers and hobbyists alike.
Facility Management
In commercial facilities, devices like remote controls and small sensors rely on the Procell Constant CR2 for consistent performance. Its long lifespan reduces maintenance needs, saving time and costs for facility managers.
Why Choose Procell Constant CR2?
The Procell Constant CR2 is tailored for professionals who need reliable power for compact, low-drain devices. Its high energy density, low self-discharge, and durable design make it a standout choice for critical applications. Additionally, its availability in bulk packs ensures cost-effectiveness for businesses purchasing batteries in large quantities.
Environmental Considerations
The Procell Constant CR2 is designed with sustainability in mind. Its long lifespan reduces the need for frequent replacements, minimizing waste. Its manufacturing adheres to strict environmental standards, ensuring a reduced ecological footprint.
Cost-Effective for Bulk Purchases
Available in packs of 10 or more, the Procell Constant CR2 is ideal for businesses in industries like security and healthcare. Its long shelf life and reliable performance make it a cost-effective choice for large-scale operations.
Tips for Maximizing Procell Constant CR2 Performance
To ensure optimal performance from your Procell Constant CR2 batteries, follow these best practices:
- Store Properly: Keep batteries in a cool, dry place to maintain their low self-discharge rate.
- Check Device Compatibility: Ensure your device is designed for CR2 batteries.
- Replace Simultaneously: For devices using multiple batteries, replace all at once for balanced performance.
- Dispose Responsibly: Follow local regulations for lithium battery disposal to protect the environment.
Comparing Procell Constant CR2 to Other Batteries
Compared to standard lithium or alkaline batteries, the Procell Constant CR2 offers superior performance in low-drain, compact devices. Its high energy density and low self-discharge rate make it ideal for applications requiring long-term reliability, unlike consumer-grade batteries that may lose charge over time. Its professional-grade design ensures better performance in critical scenarios.
Conclusion
The Procell Constant CR2 is a reliable, compact power solution for low-drain professional devices. Its high energy density, low self-discharge, and durable design make it ideal for security, medical, and facility management applications. By choosing the Procell Constant CR2, professionals can ensure consistent performance, reduced maintenance, and cost savings. For compact devices that demand steady, long-lasting power, this battery is an unbeatable choice.
Shop Products in CANADA

CR2 3V Lithium Battery 8 Pack, High Capacity CR2 3 Volt Batteries for Golf Range Finder Digital Cameras
4.50
(909 reviews)
CAD $15.99
FREE delivery Thu, Sep 11 on $35 of items shipped by AmazonOr fastest delivery Tue, Sep 9

Duracell
32-MA92-DH0O Procell Alkaline Battery, AAA (Pack of 24), Packaging May Vary
4.60
(5 reviews)
CAD $34.99
$5.94 delivery Fri, Sep 12Or fastest delivery Thu, Sep 11Only 6 left in stock.

Panasonic
CR2 Lithium Battery
4.60
(2 reviews)
CAD $12.69
FREE delivery Sep 20 - 24 on $35 of items shipped by Amazon

CR2 CR-2 CR15270 CR15H270 3V 850mAh Lithium Photo Battery (2PC)
4.50
(174 reviews)
CAD $10.89
FREE delivery Thu, Sep 11 on $35 of items shipped by AmazonOr fastest delivery Tue, Sep 9

POWEROWL
CR2 3V Lithium Battery, High Capacity CR2 3 Volt Batteries Cell, Long Lasting Power, 6 Pack
4.40
(1 reviews)
CAD $15.99
FREE delivery Thu, Sep 11 on $35 of items shipped by AmazonOr fastest delivery Tue, Sep 9

Amazon Basics
Non-Rechargeable CR2 Lithium Batteries, 3 Volt, Long Lasting Power, Low Self-Discharge Rate, 12 Count
4.40
(3 reviews)
CAD $25.09
FREE delivery Thu, Sep 11 on $35 of items shipped by AmazonOr fastest delivery Tue, Sep 9

CR2 3V Lithium Battery, CR2 Batteries for Golf Rangefinder, Flashlight, Photo Cameras, Alarm Systems 8 Pack
4.40
(76 reviews)
CAD $16.89
FREE delivery Thu, Sep 11 on $35 of items shipped by AmazonOr fastest delivery Tue, Sep 9

DURNERGY
CR2 Battery, 3V Lithium Batteries 10 Pack, 850mAh CR2 Lithium Battery, CR15H270 Piles CR 2 3 Volt Batteries for Rangefinders
4.50
(182 reviews)
CAD $19.98
FREE delivery Thu, Sep 11 on $35 of items shipped by AmazonOr fastest delivery Tue, Sep 9

CAMELCELL
4 Pack CR2 Battery, Rechargeable CR2 3V-3.7V Lithium Batteries, 300mAh, 1.5 Hours Fast Charge (USB Type C), 1200 Cycles Lifetimes
4.20
(150 reviews)
CAD $42.96
FREE delivery Sep 19 - Oct 2

EBL
CR2 Battery, 6 Pack CR2 3V Lithium Batteries 1000mAh High Capacity, 10 Years Shelf Life, Long Lasting Power for Range Finder, Cameras, Security Sensors
4.60
(127 reviews)
CAD $14.99
FREE delivery Thu, Sep 11 on $35 of items shipped by AmazonOr fastest delivery Tue, Sep 9

4 x CR2 Panasonic Industrial 3 Volt Lithium Batteries
4.50
(377 reviews)
CAD $20.70
FREE delivery Fri, Sep 19 on $35 of items shipped by Amazon

Cr2 3V Rechargeable Batteries 4pcs 300mah, Compatible with Switching Robots, Rangefinders, Door Sensors, Film Cameras(4Pcs Cell)
4.60
(14 reviews)
CAD $40.39
$5.54 delivery Sep 26 - Oct 20Or fastest delivery Sep 9 - 11

CR2 Rechargeable Battery Bundle - 2 x 3V High Power Rechargable Lithium Batteries with Chareger - Golf Rangefinders, Hunting, Video and Photo Cameras, Lighting Equipment, Garage Door's and More
4.20
(292 reviews)
CAD $--

Tenergy
CR2 3V Lithium Battery Non-Rechargeable PTC Protected High Performance CR2 Batteries for Flashlight, Digital Cameras, Toys, Alarm Systems (Not for Arlo Camera) 10PCS
4.50
(2 reviews)
CAD $--

CR2 Battery 3V Range Finder Batteries, CR15h270 3 Volt Lithium Battery 6 Pack Long-Lasting Power
4.60
(110 reviews)
CAD $28.84
FREE delivery Sep 19 - Oct 2