CR2032 batteries are small and versatile power sources that are commonly used in an assortment of consumer electronics. They are commonly found in items such as remote controls, calculators, digital watches, and various fitness trackers. With such a wide range of uses, it is no surprise that many people find themselves in need of these batteries from time to time. However, finding the best place to purchase CR2032 batteries can be a challenge.
There are numerous options available on the market, each with their own advantages and drawbacks. The most common options include online retailers, local electronics or hardware stores, and big-box retailers. Each option offers its own unique set of benefits, such as convenience, price, or availability.
Additionally, some retailers may offer bulk-purchasing options, which can be particularly useful for those who need to purchase large quantities of batteries.
Overall, the best place to buy CR2032 batteries will vary depending on your specific needs and preferences. In this article, we will explore the various options available for purchasing CR2032 batteries, including their advantages and disadvantages, and provide useful tips on how to find the ideal source for your battery needs.
What Are CR2032 Batteries?
The “CR” prefix indicates that it uses lithium chemistry, which offers a high energy density and a long shelf life. The number “2032” refers to the battery’s dimensions: it has a diameter of 20 millimeters and a thickness of 3.2 millimeters. These compact dimensions make CR2032 batteries suitable for a wide range of small electronic devices [1].
CR2032 batteries are known for their reliable and consistent power supply, making them a popular choice for various applications. They feature a nominal voltage of 3 volts, which is sufficient to power devices that require low voltage and low current.
These batteries are commonly used in small electronic devices, such as:
- Watches: CR2032 batteries are widely used to power wristwatches, including analog, digital, and smartwatches. They provide a reliable power source for timekeeping and other basic watch functions;
- Calculators: Many calculators, ranging from basic models to scientific or graphing calculators, rely on CR2032 batteries to power their operation. The long-lasting nature of these batteries ensures extended usage;
- Remote Controls: CR2032 batteries are often found in various remote controls, including those used for televisions, DVD players, car keys, and other electronic devices. They provide the necessary power for transmitting signals to the controlled devices;
- Fitness Trackers and Wearable Devices: CR2032 batteries are commonly used in fitness trackers, heart rate monitors, and other wearable devices. Their compact size and stable power output make them ideal for powering these portable gadgets;
- Motherboards and CMOS Batteries: CR2032 batteries are frequently used as CMOS (Complementary Metal-Oxide-Semiconductor) batteries on computer motherboards. These batteries help retain important settings, such as date, time, and BIOS configurations when the main power is disconnected;
- Small Electronic Devices: CR2032 batteries find applications in a wide range of small electronic devices, including electronic toys, key fobs, small medical devices, electronic scales, glucose meters, and more;
What Is A CR2032 Battery Made Of?
A CR2032 battery is composed of several key components, each serving a specific function in its overall design.
While the specific materials may vary between manufacturers, the general construction of a CR2032 battery typically includes the following elements:
- Cathode: The cathode is the positive terminal of the battery. A CR2032 battery is typically made of a combination of manganese dioxide (MnO2) and carbon. Manganese dioxide acts as the primary active material responsible for the battery’s electrochemical reactions;
- Anode: The anode is the negative terminal of the battery. It is usually composed of lithium metal or a lithium alloy. Lithium provides a high energy density and facilitates the movement of lithium ions during the battery’s discharge process;
- Separator: The separator is a thin insulating material that separates the cathode and anode. It prevents direct contact between the two electrodes while allowing the flow of lithium ions during the battery’s operation. The separator is typically made of a porous polymer material;
- Electrolyte: The electrolyte serves as the medium through which lithium ions can move between the cathode and anode. It is typically a non-aqueous liquid or gel-like substance that contains lithium salts, such as lithium hexafluorophosphate (LiPF6) or lithium perchlorate (LiClO4), dissolved in an organic solvent;
- Housing: The housing of a CR2032 battery is usually made of metal, such as stainless steel or nickel-plated steel. The housing encloses the internal components and provides structural integrity and protection for the battery;
- Insulating Rings: Insulating rings are placed at the positive and negative terminals of the battery to prevent electrical contact between the battery and the device it powers. These rings are typically made of non-conductive materials like plastic or rubber;
Together, these components work in concert to enable the electrochemical reactions that produce the voltage and power output of the CR2032 battery. The manganese dioxide cathode, lithium-based anode, separator, and electrolyte facilitate the movement of ions and electrons, allowing for the storage and discharge of electrical energy.
What’s New in CR2032 Batteries?
Here are a few general trends and advancements in battery technology that may have implications for CR2032 batteries:
- Enhanced Energy Density: Researchers are continually exploring ways to increase the energy density of batteries, allowing for more power to be stored within a smaller size. This advancement could potentially lead to improvements in the capacity and longevity of CR2032 batteries;
- Improved Safety Features: Battery safety is a crucial aspect of battery development. Advancements in materials and designs aim to minimize the risk of leakage, overheating, and explosion. These safety enhancements could enhance the reliability and performance of CR2032 batteries;
- Environmental Considerations: The push for more sustainable and environmentally friendly battery technologies is driving research into alternative materials and recycling methods. Future developments in eco-friendly battery chemistry and recycling processes may influence the composition and disposal of CR2032 batteries;
- Integration with IoT Devices: With the proliferation of Internet of Things (IoT) devices, there is a growing demand for small, long-lasting batteries like the CR2032. As IoT applications expand, battery manufacturers may focus on optimizing CR2032 batteries for IoT devices, ensuring compatibility and extended operational lifetimes;
Technical Specifications Of The CR2032 Battery
The CR2032 battery is a commonly used lithium coin-cell battery with specific technical specifications.
Here are the typical specifications for a CR2032 battery:
- Nominal Voltage: The CR2032 battery has a nominal voltage of 3 volts. This voltage remains relatively stable throughout the majority of the battery’s discharge cycle;
- Capacity: The capacity of a CR2032 battery refers to the amount of charge it can store and deliver. The typical capacity of a CR2032 battery is around 220-240 milliampere-hours (mAh). This means that, under specific conditions, the battery can deliver a current of 220-240 milliamperes for one hour before its voltage drops below the specified cut-off level;
- Size and Dimensions: The “2032” designation indicates the size and dimensions of the battery. The CR2032 battery has a diameter of approximately 20 millimeters and a thickness of around 3.2 millimeters. It has a coin-shaped form factor, making it compact and suitable for various small electronic devices;
- Chemistry: The CR2032 battery belongs to the lithium manganese dioxide (Li/MnO2) chemistry family. This chemistry provides a high energy density, stable voltage output, and long shelf life;
- Operating Temperature Range: The typical operating temperature range for a CR2032 battery is between -4F and 140F. Operating the battery outside this temperature range may affect its performance and lifespan;
- Self-Discharge Rate: Like other lithium-based batteries, CR2032 batteries have a low self-discharge rate. They can retain their charge for an extended period when not in use, which contributes to their long shelf life [2];
What Battery Is Equivalent To The CR2032 Battery?
However, there are several alternative batteries that are equivalent in terms of voltage and size, making them suitable replacements for the CR2032.
Some common equivalent batteries include:
- DL2032: The DL2032 battery is functionally equivalent to the CR2032. It has the same voltage rating of 3 volts and shares the same dimensions of 20mm in diameter and 3.2mm in thickness;
- BR2032: The BR2032 battery is another equivalent option to the CR2032. It also has a voltage rating of 3 volts and matches the dimensions of the CR2032;
- ECR2032: The ECR2032 battery is a lithium coin cell battery that offers the same 3-volt voltage and shares the same dimensions as the CR2032. It is commonly used as a substitute for the CR2032;
How Long Do CR2032 Batteries Last?
The lifespan of a CR2032 battery can vary depending on several factors, including the specific application, usage patterns, and environmental conditions. However, on average, a CR2032 battery can last between 2 to 10 years.
The primary factors influencing the longevity of a CR2032 battery are:
- Usage: The more frequently a device powered by a CR2032 battery is used, the shorter the battery life will be. Devices that require continuous power or have high power consumption will drain the battery more quickly;
- Current Draw: The amount of current drawn by the device also affects battery life. Devices that require higher currents will deplete the battery’s charge at a faster rate;
- Standby Time: If a device spends most of its time in standby mode, consuming very little power, the CR2032 battery can last longer. Devices that have intermittent usage or remain in standby mode for extended periods can significantly extend the battery life;
- Environmental Factors: Temperature and humidity can impact the performance and lifespan of CR2032 batteries. Extreme temperatures, both high and low, can affect the battery chemistry and reduce its capacity over time;
- Shelf Life: CR2032 batteries have a relatively long shelf life when stored properly. They can retain their charge for several years before being used. However, it’s important to note that the shelf life may vary depending on the manufacturer and storage conditions;
The Places Where You Can Buy CR2032 Batteries
CR2032 batteries are widely available and can be purchased from various types of stores, both online and offline.
Here are some common places where you can buy CR2032 batteries:
- Electronics Stores: Stores specializing in electronics and electrical components, such as Best Buy, Fry’s Electronics, RadioShack (depending on location), and local electronic retailers, often carry CR2032 batteries. These stores typically have a dedicated section for batteries and may offer a variety of brands and options;
- Supermarkets and Convenience Stores: Many supermarkets and convenience stores have a section dedicated to batteries, including CR2032 batteries. Retail chains like Walmart, Target, CVS, Walgreens, and other similar stores often stock these batteries in their electronics or household departments;
- Online Retailers: Numerous online retailers provide a wide range of options for purchasing CR2032 batteries. Websites such as Amazon, eBay, Walmart.com, BestBuy.com, and dedicated battery retailers like BatteryJunction.com and BatteryMart.com offer convenient online shopping with various brands, pack sizes, and competitive pricing;
- Office Supply Stores: Office supply stores like Staples, Office Depot, and OfficeMax often carry batteries, including CR2032, in their technology or office accessories sections;
- Automotive Stores: Some automotive stores, such as AutoZone or Advance Auto Parts, may stock CR2032 batteries due to their usage in key fobs and other automotive accessories;
- Online Marketplaces: Besides dedicated online retailers, online marketplaces like Amazon and eBay allow various sellers to offer CR2032 batteries. These platforms provide a wide selection and often include customer reviews and ratings to help guide your purchasing decision;
FAQ
1. Are all CR2032 batteries the same?
No, CR2032 batteries can differ in terms of their brand, quality, voltage, and capacity.
2. What battery can substitute for the CR2032?
The CR2025, CR2020, and CR2016 batteries can all serve as substitutes for the CR2032, although they have different diameters and thicknesses [3].
3. What is the best price for a 3V lithium battery of the CR2032 type?
The price of CR2032 batteries can vary depending on the retailer and the quantity purchased. Generally, online retailers and wholesale distributors offer better prices than physical stores.
4. How many hours does a CR2032 battery last?
The lifespan of a CR2032 battery can vary depending on factors such as its capacity, the device it is used in, and usage patterns. However, on average, a CR2032 battery can last for 2 to 10 years, with an estimated usage time of 1 to 2 hours per day [4].
5. Can I use LR44 instead of CR2032?
No, LR44 batteries are not a substitute for CR2032 batteries. They have different dimensions and voltage levels, and using the wrong battery can damage your device or cause it to malfunction.
6. Can a battery last 20 years?
While it is possible for a battery to last up to 20 years in some cases, this is not typical for CR2032 batteries or other similar types of batteries. Generally, the lifespan of a battery depends on factors such as its type, usage patterns, and storage conditions.
7. Can I use 2032 instead of 2030?
No, the 2030 and 2032 batteries have different diameters, with 2032 being thicker than 2030. Therefore, they cannot be used interchangeably in the same device without modifying the device’s battery compartment.
8. How long does a CR2032 lithium 3V coin battery last?
The lifespan of a CR2032 battery can vary depending on factors such as its capacity and usage patterns. However, on average, these batteries can last for 2-10 years.
9. Can I replace a 2025 battery with 2032?
While both batteries have the same voltage, they have different diameters and thicknesses. Therefore, you cannot always replace one battery with the other.
10. Why is it called CR2032?
“C” refers to the chemical element used in the battery (lithium) while “R” indicates a round shape. The numbers indicate the dimensions of the battery, with 20 indicating a diameter of 20mm and 32 indicating a height of 3.2mm [5].
11. What is the longest-lasting coin cell battery?
The longest-lasting coin cell batteries are typically those with larger capacities, such as the CR2354 or CR2477.
12. Are all 2032 batteries the same?
No, 2032 batteries can differ in terms of brand, quality, voltage, and capacity. It is important to purchase batteries from a reputable source to ensure that they meet your needs and work effectively on your device.
13. How do I know if my 3v battery is good?
You can use a multimeter to check the voltage of your 3V battery. A reading close to 3V indicates that the battery is good, while a significantly lower reading suggests that the battery needs to be replaced.
14. Is CR2032 3V battery rechargeable?
No, CR2032 batteries are non-rechargeable. Attempting to recharge them can cause injury or damage to your device.
15. What battery can substitute for 2032?
The CR2025, CR2020, and CR2016 batteries can all serve as substitutes for the CR2032, although they have different diameters and thicknesses.
16. What is the negative side of the 2032 battery?
The negative side of the 2032 battery is typically marked with a “-“ sign, although this can vary depending on the brand and manufacturer.
17. What is the meaning of CR in battery?
“CR” stands for “Lithium Manganese Dioxide” in the IEC classification. It refers to the battery chemistry used in the cell.
18. How can I test my CR2032 battery without a tester?
One way to test a CR2032 battery is to try it on a device that requires the battery and see if it works properly. You can also use a battery conductivity tester, which is a simple device that can be purchased inexpensively online or at a hardware store.
Another option is to visually inspect the battery for signs of damage or leakage, although this is not always a reliable way to determine its remaining capacity.
19. Can 3V charge a phone?
No, a 3V battery does not have enough voltage to charge a phone.
20. Can I use CR2032 in the Mercedes key?
It depends on the specific key model. Some Mercedes keys do use CR2032 batteries, while others require different types.
21. Does a CR2023 battery exist?
No, there is no such thing as a CR2023 battery. The closest equivalent would be the CR2025 or CR2032 battery.
22. What is the best price of a 3v lithium battery CR2032?
The price of CR2032 batteries can vary depending on factors such as the brand, quantity, and quality. However, they are generally inexpensive and available for purchase at most hardware or electronics stores.
23. Can a lithium battery last 20 years?
While it is theoretically possible for a lithium battery to last up to 20 years, this depends on many factors such as the quality of the battery, its usage patterns, and storage conditions.
24. Should I charge my lithium battery after every use?
No, it is not necessary to charge a lithium battery after every use.
25. Do CR2032 batteries expire?
Yes, CR2032 batteries can expire or lose their capacity over time, although their service life can vary depending on usage patterns and storage conditions.
26. Can CR2032 batteries touch?
Yes, CR2032 batteries can touch without posing any danger as long as they are not punctured or damaged.
27. Is it OK to use a 2032 battery instead of 2025 one?
No, it is not recommended to use a CR2032 battery instead of a CR2025, as they have different capacities and may not fit properly in the device.
28. Can a CR2032 battery start a fire?
While it is rare, a CR2032 battery can potentially start a fire if it is short-circuited or punctured, which can cause a thermal runaway reaction.
29. How long do CR2032 batteries last on the motherboard?
The lifespan of a CR2032 battery on a motherboard can vary depending on factors such as the specific motherboard model, usage patterns, and storage conditions. However, on average, a CR2032 battery on a motherboard can last anywhere from 2-10 years.
30. Are all 3V batteries the same?
No, not all 3V batteries are the same. There are many different types of 3V batteries, each with its own unique chemistry, capacity, and usage patterns. Some common types of 3V batteries include lithium-ion, coin cell, and alkaline batteries. It is important to use the correct type of battery for the specific device to ensure proper function and avoid damage.
Useful Video: Can Amazon Basics CR2032 Battery Beat Energizer or Duracell? I Have The Answer!
References
- https://www.batterystation.co.uk/battery-types/button-cells-coin-cells/cr2032-batteries.html
- https://www.microbattery.com/blog/post/battery-bios:-everything-you-need-to-know-about-the-cr2032-battery/
- https://www.panasonic-batteries.com/en/specialty/lithium-coin/coin-lithium-cr2032
- https://www.100peakpower.com/batteries/lithium-batteries/cr2032
- https://www.arrow.com/en/research-and-events/articles/cr2032-batteries-keep-a-light-shining-in-the-window
