The CR2025 and CR2032 are two types of batteries. The name of the battery is given based on the code and speciality of each battery. Both batteries have a common chemical component that is lithium, and hence the letters CR are used.
The CR2025 and CR 2032 are the batteries that are used in small devices that require less power, such as computers, motherboards, fitness appliances, laser pens, calculators, security devices, wristwatches, heart pacemakers, digital thermometers, etc.
Even though there are differences between both the batteries but at the same time, they share some common objectives, such as the same voltage, chemistry, and diameter.
The voltage of both the batteries is 3V and has a diameter of 20mm. There are many well-known brands, like Duracell, Philips, Maxwell, Renata, etc, that manufacture both CR2025 and CR2032 batteries.
Key Takeaways
- CR2025 and CR2032 are both lithium coin cell batteries.
- CR2032 has a higher capacity (220-225 mAh) than CR2025 (160-170 mAh).
- CR2032 is slightly thicker (3.2mm) than CR2025 (2.5mm), affecting device compatibility.
CR2025 Battery vs CR2032 Battery
CR2025 is a non-rechargeable battery as small as a button and with a battery capacity of 170 mAh, making it suitable for devices like watches, toys, and pet collars. CR2032 is a non-rechargeable battery that is used for devices like hearing aids, LED lights, monitor scans, etc., with a capacity of 235 mAh.
The CR2025 is a non-rechargeable battery. It is like a small button. It has dimensions of 20 mm in diameter and a thickness of around 2.5 mm.
The CR2025 has a battery capacity of 170 mAh, which works perfectly in devices that require a low amount of battery power. The CR2025 batteries are used in small devices such as watches, calculators, pet collars, toys, etc.
On the other hand, the CR2032 is also a non-rechargeable battery. This battery also has the structure of a button. It has dimensions of 20 mm in diameter and a thickness of about 3.2 mm.
The CR2032 has more battery capacity as compared to the CR2025, which is 235 mAh. It can last for a longer period in the devices. The CR2032 is also used in small devices such as LED lights, door chimes, hearing aids, monitor scans, etc.
Comparison Table
| Parameters of Comparison | CR2025 Battery | CR2032 Battery |
|---|---|---|
| Thickness | The CR2025 batteries have a thickness of about 2.5 mm. | The CR2032 batteries have a thickness of about 3.2 mm |
| The capacity of the Batteries | The CR2025 battery has a capacity of 170 mAh. | The CR2032 battery has a capacity of 235 mAh. |
| Durability | The CR2025 battery is less durable. | The CR2032 battery is comparatively more durable and long-lasting. |
| Expense/Costing | The CR2025 batteries are inexpensive and cheap. | The CR2032 batteries are comparatively expensive than the CR2025 battery. |
| Weight | The CR2025 battery is lighter in weight. It weighs about 2.6 grams. | The CR2032 battery is comparatively heavier in terms of weight. It weighs about 3.0 grams. |
| Batteries that are suitable for different products | The CR2025 battery is more suitable for the products such as toys, games, pocket calculators, etc. | The CR2032 batteries are comparatively more expensive than the CR2025 battery. |
General Characteristics
This table provides an overview of the basic characteristics of both batteries. It includes their chemical composition, voltage, capacity, and more. This is a great way to understand the fundamental properties of CR2025 and CR2032 batteries.
| Parameter of Comparison | CR2025 | CR2032 |
|---|---|---|
| Chemistry | Lithium | Lithium |
| Voltage | 3V | 3V |
| Capacity | 165mAh | 240mAh |
| Shelf Life | 10 years | 10 years |
| Rechargeable | No | No |
| Nominal Power | 0.495W | 0.72W |
| Self-Discharge Rate | ~1% per year | ~1% per year |
Physical Dimensions
Physical dimensions are crucial for ensuring a battery fits in its intended device. This table compares the diameter, thickness, and weight of CR2025 and CR2032 batteries to help identify the best suits your needs.
| Parameter of Comparison | CR2025 | CR2032 |
|---|---|---|
| Diameter | 20mm | 20mm |
| Thickness | 2.5mm | 3.2mm |
| Weight | ~2.5 grams | ~3.2 grams |
| Shape | Coin | Coin |
| Material | Stainless steel | Stainless steel |
Performance Metrics
Performance metrics help users understand the operational characteristics of batteries. This table includes parameters like energy density and operating temperature range, which play a vital role in the overall performance and suitability of the battery for specific applications.
| Parameter of Comparison | CR2025 | CR2032 |
|---|---|---|
| Energy Density | ~198Wh/kg | ~240Wh/kg |
| Max Continuous Discharge | ~1mA | ~3mA |
| Peak Discharge | ~15mA | ~20mA |
| Operating Temperature Range | -30°C to 60°C | -30°C to 60°C |
| Average Duration (typical use) | 2-3 years | 3-4 years |
Typical Applications
Batteries can be used in a myriad of devices. This table expands upon the typical applications of CR2025 and CR2032 batteries, showcasing the wide range of devices they power.
| Parameter of Comparison | CR2025 | CR2032 |
|---|---|---|
| Typical Applications | Watches, calculators, key fobs | Motherboards, car remotes, watches |
| Small toys, portable electronics | Medical devices, fitness trackers | |
| Remote controls, digital thermometers | Keyless entry systems, bike computers | |
| E-books readers, wireless doorbells | Glucometers, digital scales | |
| Heart rate monitors, LED lights | Garage door openers, pet collars |
Cost Comparison
Cost plays a significant role in the choice of a battery. This table compares the average costs of CR2025 and CR2032 batteries. Remember that prices can vary based on factors like brand, buying location, and quantity.
| Parameter of Comparison | CR2025 | CR2032 |
|---|---|---|
| Approximate Cost (USD) | $1.00 – $2.00 | $1.50 – $2.50 |
| Cost per mAh | $0.006 – $0.012 | $0.006 – $0.01 |
| Bulk Purchase Savings | Yes | Yes |
| Brand Variation in Cost | Yes | Yes |
| Cost over Life Cycle | Higher due to lower capacity | Lower due to higher capacity |
What is a CR2025 Battery?
The CR2025 is a type of non-rechargeable battery. It has a button-like structure, with dimensions of a diameter of 20 mm and a thickness of 2.5 mm. The voltage of the CR2025 battery possesses of 3V.
These batteries also have a capacity of about 170 mAh, which is very useful for small devices. Also, the CR2025 battery is not that durable, as it only possesses 170 mAh of battery capacity.
After a few times of usage, the battery loses its ability to produce current and ends up being replaced by another battery since it is non-rechargeable.
The CR2025 battery is very convenient to purchase as it is inexpensive and cheaper. These batteries are inexpensive because of their low capacity and durability of working.
These batteries are also comparatively light in weight than the other batteries since it weighs only 2.6 grams.
The last but not least amazing feature of the CR2025 battery is that this battery is more suitable for products that require low current production and is convenient to use in those products.
These products include such as toys, games, pocket calculators, pet collars, etc. This CR2025 battery full fills the amount of current required for these products.
Use Cases for CR2025
When selecting a battery for your device, choosing the appropriate type is important. In the case of the CR2025, it is well-suited for low-power applications due to its thinner size than CR2032. This section will discuss some use cases where the CR2025 battery is a suitable choice.
Watches and Small Electronic Devices: The CR2025 battery is commonly used in watches and small electronic devices, such as pocket calculators and digital thermometers. Its thin size of 2.5mm thickness ensures it fits perfectly within the compact designs of these devices without adding unnecessary bulk.
Car Key Remotes: Many car manufacturers prefer using the CR2025 battery for their key remotes, as it is lightweight and provides sufficient power for the low-energy functions of the remote, like locking and unlocking doors. The slim profile of the battery is an important factor in keeping the remote small and easy to carry.
Home Security Sensors and Devices: Low-power home security devices such as window and door sensors, carbon monoxide detectors, and smart home remotes rely on the CR2025 battery for consistent performance. These devices have small compartments for their batteries, so the thin size of the CR2025 is a perfect fit.
Fitness Trackers: Some fitness trackers and heart rate monitors use the CR2025 battery because it is lightweight and compact. The battery efficiently powers the devices while ensuring a comfortable fit for the user by maintaining the slim design of the trackers.
What is a CR2032 Battery?
The CR2032 battery falls under the non-rechargeable category, which means this kind of battery is for one-time use, and hence it can not be charged repeatedly. It has to be replaced in the product for further usage.
The CR2032 is 20 mm in diameter and 3.2 mm in thickness. It also has a voltage of 3V. These batteries are a bit powerful, with a battery capacity of about 235 mAh.
Also, these CR2032 batteries are more durable and long-lasting. Because of the great battery capacity of 235 mAh, these batteries are comparatively long-lasting.
The CR2032 battery is a bit pricey or expensive. This battery is more expensive because it is improved and has stunning capacity, weight, power, etc.
The CR2032 battery is also heavier in weight. It comprises a weight of about 3.0 grams. These batteries are also used in a few powerful products as those products require more power.
Because of its high capacity of 235 mAh, these batteries are used in devices such as LED lights, hearing aids, monitor scans, door chimes, etc.
Use Cases for CR2032
You may notice CR2032 batteries appearing in various gadgets when powering your devices. The CR2032 battery is known for its long lifespan and ability to deliver 225mAh with a thickness of 3.2mm. This makes it an ideal choice for many applications, some described below.
Watches and wearable devices: CR2032 batteries are commonly used in wristwatches and fitness trackers because of their durability and reliability. With the increased need for higher energy—required by these devices to power their various functions like Bluetooth connectivity, alarms, and backlighting—the performance of CR2032 batteries proves invaluable.
Computer backup power: Many computers, especially desktop PCs, rely on CR2032 batteries to maintain critical system settings when the main power is turned off or disconnected. These batteries ensure that the motherboard’s CMOS maintains information on system configuration, such as date and time, while the computer is off.
Car remotes and key fobs: The CR2032 is a popular choice for powering car remotes and key fobs due to its ability to withstand temperature fluctuations and provide a consistent voltage, which is critical for the proper functioning of these devices. Car remotes require a stable power source to send signals to lock or unlock your vehicle, so these batteries are widely relied upon.
Medical devices: CR2032 batteries are found in various medical devices, such as glucometers and hearing aids. These applications demand a compact, reliable, and consistent power source, making the CR2032 a reliable choice to ensure accurate readings and efficient functioning.
Main Differences Between CR2025 Battery and CR2032 Battery
- The CR2025 battery has a thickness of about 2.5 mm. On the other hand, the CR2032 battery has a thickness of about 3.2 mm.
- The CR2025 battery has a capacity of 170 mAh. On the other hand, the CR2032 battery has a capacity of 235 mAh.
- The CR2025 battery is comparatively less durable. On the other hand, the CR2032 battery is more durable and long-lasting.
- The CR2025 batteries are inexpensive or cheaper. On the other hand, the CR2032 batteries are comparatively more expensive than the CR2025.
- The CR2025 battery is lighter in weight. It weighs about 2.6 grams. On the other hand, the CR2032 battery is comparatively heavier in terms of weight. It weighs about 3.0 grams.
- The CR2025 battery is more suitable for the products such as toys, games, pocket calculators, etc. On the other hand, the CR2032 battery is more suitable for a few powerful products such as LED lights, hearing aids, monitor scans, etc.
Comparing Physical Characteristics
When comparing the CR2025 and CR2032 batteries, you’ll notice several differences in their physical characteristics. These differences will impact their compatibility with various devices and technology.
In terms of diameter, both batteries measure 20 millimeters. However, the main distinction between the two is their thickness. The CR2025 is 2.5 millimeters thick, while the CR2032 is 3.2 millimeters thick.
Another notable difference is their weight. A CR2025 battery weighs 2.6 grams, while a CR2032 battery weighs 3.0 grams. Remember that the weight may slightly vary depending on the manufacturer, but the general difference is around 0.4 grams.
As for their energy storage capacity, the CR2032 battery boasts a higher reserve capacity of 235 mAh, whereas the CR2025 battery has a capacity of 170 mAh. The CR2032 battery will last longer under similar usage conditions. For example, under heavy load usage, the CR2032 may last 3-4 months, while the CR2025 may last only 2-3 months.
Voltage and Capacity Difference
When comparing the CR2025 and CR2032 batteries, it is essential to understand the differences in their voltage and capacity. These key factors can significantly impact the performance and longevity of the batteries in various devices.
Both CR2025 and CR2032 batteries have a voltage of 3V. This consistent voltage makes them viable options for various low-power devices, such as remote controls, medical devices, and real-time clock module boards. Despite the similarities in voltage, their capacities differ notably.
The CR2025 battery has a capacity of up to 170mAh, depending on the manufacturer’s specifications. This capacity allows the battery to provide a steady power supply. Since it is a lithium coin cell battery, its applications are notably similar to those of a CR2032 battery.
On the other hand, the CR2032 battery boasts a higher capacity of up to 240mAh. This capacity difference is crucial when considering the battery life of your devices. A higher capacity indicates that the CR2032 battery can provide more power before needing a replacement or recharge compared to the CR2025 battery.
In summary, the voltage of both batteries is the same at 3V, while their capacity varies:
- CR2025 Battery: Up to 170mAh
- CR2032 Battery: Up to 240mAh
Compatibility with Devices
When choosing between the CR2025 and CR2032 batteries for your devices, it is essential to understand their compatibility. Both batteries have a voltage of 3 volts. However, the primary difference lies in their size and capacity.
The CR2025 battery is relatively smaller, making it ideal for devices with less space and lower power requirements. Some common devices that use CR2025 batteries include watches, remote controls, and small electronics.
On the other hand, the CR2032 battery has a larger capacity due to its slightly larger size, which makes it suitable for higher energy devices. Medical equipment, computer motherboards, and more advanced electronics use CR2032 batteries, requiring a longer battery life.
It is crucial to check the device’s manual or battery compartment to determine the correct battery type for your specific device. Using the wrong battery can result in incorrect functioning or even damage the device.
Common Queries
You may have some questions about their differences when choosing between the CR2025 and CR2032 batteries. Here are a few common queries to help you make an informed decision.
Size:
- The primary physical difference between the two batteries is their thickness. The CR2032 is 3.2 millimeters thick, while the CR2025 is 2.5 millimeters. This can impact whether a specific battery fits in your device.
Capacity:
- Due to its added thickness, the CR2032 has a higher capacity (mAh) than the CR2025. Specifically, the CR2032 has a capacity of 235 mAh, while the CR2025 has a capacity of 170 mAh. This means the CR2032 can last longer.
Battery Life:
- The battery life of the CR2025 and CR2032 varies depending on usage. Under heavy load, the CR2025 lasts about 2-3 months, while the CR2032 can last 3-4 months. However, for normal load usage, both batteries have a similar lifespan.
Availability and Price:
- Both CR2025 and CR2032 batteries are widely available and have comparable prices. Therefore, the cost may not be a significant factor in your decision.
Compatibility:
- It is crucial to check your device’s specifications to determine its required battery. Some devices can accommodate both types, but others may only function with the proper battery thickness or capacity.
Consider these factors when choosing between the CR2025 and CR2032 batteries for your device. Remember to prioritize factors such as compatibility and capacity to ensure optimal performance.
Longevity and Performance
When comparing the CR2025 and CR2032 batteries, it’s important to consider their longevity and performance to determine the right choice for your needs. Both batteries are lithium coin cells that provide a voltage of 3 volts. However, there are some differences in their capacity and battery life.
The CR2032 battery has a higher capacity than the CR2025, with up to 240mAh (manufacturer specifications may vary) compared to the CR2025’s 170mAh. This increased capacity results in a longer battery life for the CR2032 under similar usage conditions. The CR2032 can last around 3-4 months for heavy load usage, while the CR2025 lasts about 2-3 months.
In addition to capacity, the thickness of the batteries can also impact their performance. The CR2032 is slightly thicker than the CR2025, measuring 3.2mm instead of the CR2025’s 2.5mm thickness. This increased thickness further contributes to the higher capacity and energy density of the CR2032 battery.
Another factor to consider is heat generation, which can affect the performance of a battery. Due to the higher capacity and energy density of the CR2032, it may generate slightly more heat than the CR2025 during operation. That said, both batteries are suitable for use in typical electronic devices and should not present significant issues regarding heat.
- https://www.sciencedirect.com/science/article/pii/S1388248108004086
- https://iopscience.iop.org/article/10.1149/MA2008-02/45/2776/meta?casa_token=YNGGPtKKtVkAAAAA:13ODVvO_rDL7MphtLOfwaPD1qeMSNHOvtUjJOfGelGLsuspFZe3iy5pn6A2_b0CGfLVfDzZtJ253
Last Updated : 11 September, 2023
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Piyush Yadav has spent the past 25 years working as a physicist in the local community. He is a physicist passionate about making science more accessible to our readers. He holds a BSc in Natural Sciences and Post Graduate Diploma in Environmental Science. You can read more about him on his bio page.
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