Everything You Need To Know About The CR2 Battery - Microbattery

What is a CR2 Battery?

 The CR2 Battery is a cylindrical cell battery that has a lithium chemistry. In simple terms, the CR2 battery looks like a smaller version of a D Cell Battery, or for simpler reference almost like a can. These batteries have a wide variety of applications. They are mostly used in cameras which require a high power lithium battery as well as many industrial applications. Having so many uses makes this battery very popular and thus, sometimes hard to find in stock. They are produced by a variety of large and small brands such as Panasonic, Duracell, and Energizer. This article will tell you everything you may need to know about the CR2 battery. 

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Technical Specifications Of The CR2 Battery

CR2 Battery Nominal Voltage:

3 Volts

CR2 Capacity (Lithium)

≈  800 mAh

CR2 Operating Temperature:

-40°C – 60°C 

CR2 Height:

27.0 mm

CR2 Width (Diameter):

15.60  mm

CR2 Chemistry:

Lithium Manganese Dioxide (Li/MnO2 )

Are CR2 Batteries Rechargeable?

 Many of our customers who contact us ask  “Are CR2 Batteries Rechargeable?” Most CR2 batteries are not rechargeable while some are. Usually the label of a CR2 battery will indicate if that specific battery is rechargeable or not. Rechargeable batteries are also known as “secondary batteries” while non-rechargeable, or single-use CR2 batteries, and known as “primary batteries”. It is very important that you determine if a CR2 battery is a “primary battery” or a “secondary battery.” Attempting to recharge a non-rechargeable battery (especially a lithium battery) can cause a fire, explosion, or destruction of your charger/device. Even when using a well made rechargeable-battery, it is important to use the correct charger to ensure no issues occur. Using an incorrect or incompatible charger for your CR2 battery can cause the battery malfunction or not work at all. 

How Long Do CR2 Batteries Last?

 How long a CR2 battery lasts depends greatly on the manufacturing quality and the application of the battery. Assuming that the battery is fresh and purchased from a reliable source, there is still a large range of service life depending on the usage. For a frequent application that requires large amounts of energy, such as for a high lumen flashlight, a CR2 battery could last less than a month. For a more passive usage, such as in a home security alarm panel, service life can be over a year with the right conditions. Basically, how long your CR2 battery will last depends on what you need it to do. 

What Battery Is Equivalent To The CR2 Battery?

Direct replacements and equivalents for the CR2 battery could be, DLCR2, KCR2, ECR2 1CR2, and LC. These batteries are all direct replacements for the CR2 battery, and are all considered primary or non-rechargeable batteries. Rechargeable or secondary versions of the CR2 battery are the battery and the battery. These rechargeable versions of the CR2 battery tend to have a slightly lower capacity (lower mAh) than the non-rechargeable versions, but will still fit in and power the same devices. You will see a longer single-use life with the non-rechargeable version, but will save money in the long run using the rechargeable CR2 battery. 

Are CR2 Batteries The Same As CR123A?

The CR2 battery is not the same as the CR123A battery. The CR2 battery is slightly shorter than the CR123A battery and will not fit in most applications that require a CR123A battery. In addition the CR123A battery will deliver on average about 50% more output than the CR2 battery, meaning that even if you did manage to seat a CR2 battery into a device that uses a CR123A, it would not be able deliver the full power required and your device will either function poorly or not at all. These batteries do share a few similarities in that they are both made using lithium manganese dioxide and they are both 3 volt batteries.

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Are C2 and CR2 batteries the same?

The CR2 battery is not usually referred to as a C2, but some small manufacturers do provide batteries identical to the CR2 which are labeled C2. The majority of major manufacturers will usually designate this battery the CR2. Also, some confusion may occur when looking at certain retail packaging for C cell batteries. Some retail packs of 2 pieces of C batteries may sometimes say C 2 at the top of the packaging. This does not mean it is the same as a C2 (CR2) battery, but instead indicates it is 2 C cell batteries in the pack. 

What Uses CR2 Batteries?

The CR2 battery has military, industrial, medical, and consumer applications. In a military setting, the CR2 battery is used in weapons lights, optics, laser rangefinders, laser designators, and communications devices. Medical use of the CR2 battery includes alarm batteries and power for various instruments. Industrial and consumer uses can include lights, alarms, cameras, and memory back up applications. 

Where to buy CR2 Batteries?

CR2 batteries are extremely common and popular. This means that a wide variety of manufacturers make these batteries and a wide variety of retailers sell the battery. It is important to keep in mind that not all CR2  batteries are created equal and that not all retailers have the same dedication to quality. To avoid low quality or worse, counterfeit batteries, it is important to only purchase your batteries from a highly reputable retailer that sells only the highest quality of brands. 

Microbattery.com has been selling batteries online for over 25 Years and has one of the widest variety of batteries available, including all types of  the CR2 battery, from a variety of world-renowned manufacturers. For all your battery needs, please consider Microbattery.com and let them be your battery expert!

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About Us:

Microbattery.com is the leading provider when it comes to Hearing Aid Batteries, Watch Batteries, Lithium Coin Cells, Lithium Batteries, Alkaline Batteries, and Rechargeable Batteries across North & South America. We have the capability to meet the needs of all sizes of consumers, dealers, distributors and importers. For over 25 years, we have been striving to ensure high customer satisfaction and provide the best quality product possible. Ever since our online store was launched 15 years ago, we have been constantly improving & optimizing our site to provide the most enjoyable and convenient shopping experience for our valued customers.

Our online store has one of the largest selections of various batteries and battery products for all types of electronic applications on the web. Our website is very easy to navigate to help ensure customers can find exactly what they need. All of our products are conveniently organized by category. They can be easily filtered by the category drop down located at the top of every page on our website. Alternatively customers can use the Battery Finder™ located on our homepage, to quickly and simply identify the exact batteries they need. If you require any assistance in determining what products are right for you please do not hesitate to give us a call at (305)-371-.

At Microbattery.com, you will find one of the largest selections of batteries on the web. We have millions of cells of common batteries like CR, CR, LR44, LR41, AA, and AAA in stock at all times. We also carry a wide variety of less common batteries such as CR, CR, Rechargeable Batteries, Radio Batteries, Batteries, and Pet Batteries. Regardless of your battery needs, we have got you covered. If you require a battery that we currently do not carry, please feel free to give us a call at (305)-371- to place a special order (some restrictions apply).

Our customer base currently includes tens of thousands of satisfied consumers, various private companies, (local, state, federal, international) government agencies, military, institutions, wholesalers, and chain stores. Without hassle, we will ship your products worldwide, already having done so for over eighty-five countries.

Key Highlights

• The Li-ion battery is a kind of rechargeable battery. It has a high energy capacity and lasts a long time. This makes it a big step forward in battery technology.

• Its small size and light weight make this battery great for many devices.

• It has a low self-discharge rate. This means it keeps a charge longer when not being used.

• This battery is built to be rechargeable. It can go through many charge cycles, making it a smart choice for saving money over time.

• There are safety features in these batteries. They often include protections against overcharging and discharging, which help them work safely and reliably.

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Introduction

This guide will explore everything you need to know about batteries. From basic specifications to practical usage tips, we’ve got you covered. Due to their unique size and performance characteristics, these batteries are becoming more popular in certain devices.

Whether you’re a tech enthusiast, a device manufacturer, or simply curious about battery options, understanding the lithium-ion battery is valuable knowledge. This guide will also help you compare the with other common battery types like the and .

We’ll also cover important safety information and best practices for charging and storing these batteries. By the end of this guide, you’ll have expert-level knowledge about lithium-ion batteries and how to use them effectively.

Let’s dive into the world of batteries and discover what makes them special in the lithium-ion family.

Understanding the Li-ion Battery

The Li-ion battery is a round battery that you can recharge. It is found in many devices. The name “” refers to its size. It is 14 mm wide and 65 mm long, similar to an AA battery. But, the Li-ion battery provides a higher voltage of 3.7 volts. This is more than what regular AA batteries offer.

The battery is smaller than the popular battery but larger than standard AA batteries. This mid-range size makes it useful for limited-space applications, but standard consumer batteries aren’t powerful enough.

Key Features and Benefits

The lithium-ion battery has several benefits. This makes it a good option for various uses. Here are some main features and advantages:

Key Features:

• Standard Voltage: Nominal voltage of 3.7V, similar to other Li-ion lithium ion cells

• Moderate Capacity: Typically ranges from 800mAh to mAh

• Standard Voltage: Nominal voltage of 3.7V, similar to other Li-ion lithium ion cells

• Rechargeable Design: Can be recharged hundreds of times with proper care

• Lightweight Construction: Weighs less than larger battery formats

Main Benefits:

• Space Efficiency: Fits in devices too small for batteries but requires more power than AAA batteries

• Weight Reduction: Lighter than larger battery formats, ideal for portable devices

• Good Energy Density: Provides decent power in a relatively small package

• Versatility: Works in various specialized electronics and tools

• Long Shelf Life: Retains charge when not in use better than many other battery types

• No Memory Effect: Can be charged at any time without affecting battery health

• Temperature Stability: Functions reliably across a range of temperatures

Common Applications

The lithium-ion battery is popular in many devices. This is because it has several good features.

• Flashlights: Their strong energy is perfect for bright LED flashlights, which help them stay bright for a long time.

• Electronic Cigarettes: These batteries power many electronic cigarettes and vaping devices.

• Portable Electronics: batteries are great for portable devices, such as digital cameras and GPS units, which require small and trustworthy power sources.

Lithium Battery Specifications and Properties

The battery is a strong lithium-ion battery. It is small but has a lot of energy. This battery works well, making it a favored choice for many gadgets. It offers long-lasting power and is reliable. The battery has stable voltage and good energy flow, which helps devices run at their best.

Understanding the specifications of a lithium-ion battery helps you choose the right battery for your needs. Below is a table showing the key specifications of standard batteries.

Battery vs. Other Batteries

Understanding how the battery compares to other battery types is essential when choosing the right power source for your devices. This section will examine the key differences between the and other popular battery formats.

We’ll look at each battery type’s size, capacity, performance, and typical applications. These comparisons will help you determine if the is the best choice for your specific needs or if another battery might be more suitable.

vs. Batteries

The battery is a kind of lithium-ion battery that is gaining popularity. It is mostly used in electric vehicles and powerful devices. This battery is bigger than the battery. Its larger size provides a higher capacity and quicker discharge rates. Because of this, the is a better choice for cases that need more power and longer battery life. In contrast, the battery works better in small and compact devices.

Here is a comparison table:

Conclusion

In conclusion, knowing the Li-ion battery’s details helps you use it on different devices. It is small, powerful, and reliable. This makes it a good choice for many gadgets. You can see if it fits your needs by comparing it to other batteries. Always follow the best steps for charging and storing it. This will keep it safe and extend its life. Using the battery can improve how well your devices work and make things easier for you. Please check our FAQs section if you have more questions or need help.

Why Choose Pkcell Battery

With over 20 years of experience powering industries worldwide, PKCELL’s commitment to quality, innovation, and customer satisfaction is built into every battery we produce.

Backed by certifications like IEC, CE, and RoHS and trusted by major brands like Walmart, our offers a reliable, long-lasting power solution you can depend on. Ready to experience the PKCELL difference? Contact us today to discuss your battery needs and explore how we can create a customized power solution for you!

Frequently Asked Questions

What Makes the Li-ion Battery Unique?

The battery is unique. It is small, like AA batteries, but delivers the strong performance of lithium. This makes it a great option for devices that need light and compact while still providing good power.

Can the Battery Be Used in Standard Devices?

Due to its different voltage and chemical makeup, the battery can’t be used in devices made for standard AA or AAA batteries. Using it in incompatible devices could cause issues or even damage.

How to Properly Charge and Store the Battery?

Always use a charger that works with lithium-ion batteries meant for types. Store it in a cool and dry spot. Keep it away from direct sunlight and very hot or cold temperatures.

What Are the Safety Precautions for Using Batteries?

Never place the battery in extremely hot or cold spots; keep it away from water. Don’t charge the battery too often, and don’t let it run all the way down. Doing so might damage it or cause it to stop functioning well.

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