Introduction
Batteries are an essential part of our daily lives, powering everything from our remote controls to our mobile phones. With so many different types of batteries available on the market, it can be tricky to determine which one is best for our needs. Two widely used button cell batteries are the CR1632 and CR1620.
Both batteries commonly power small electronic devices, from key fobs and medical equipment to watches and calculators. Despite their similarities, the CR1632 and CR1620 batteries have important differences that make them unique.
In this article, we will look deeper into the differences between these two button cell batteries. We will compare their performance, capacity, and usage scenarios to help you determine which battery will be best suited for your specific needs. Whether you’re powering a medical device or a key fob, understanding the differences between the CR1632 and the CR1620 batteries is essential in ensuring that you make an informed decision and get the most out of your battery-powered devices.
CR1632 vs. CR1620 – Why To Compare And Use Different Batteries?
To start with, the CR1632 is a 3V lithium battery that measures 16mm x 3.2mm. It is a larger battery with a higher capacity than the CR1620, which measures 16mm x 2mm and has a voltage of 3V as well. The CR1632 has a capacity of 120mAh while the CR1620 has a capacity of 70mAh [1].
As a result, the CR1632 is capable of providing longer runtimes per charge than the CR1620. The CR1632 is typically used in devices that require higher power outputs, like computer memory backup devices and small remote controls.
On the other hand, the CR1620 is a smaller battery that is commonly used in small devices such as key fobs, bottle openers, and calculators. Despite its small size, the CR1620 has a reliable and long-lasting life and can power a variety of devices efficiently. It is also less expensive than the CR1632, making it an economical choice for many users.
Overview of CR1632
With dimensions of 16mm x 3.2mm, the CR1632 is a relatively large button cell battery that provides a high capacity for a longer runtime per charge [2].
Main Features of CR1632
The CR1632 is a 3V lithium battery that offers an impressive 120mAh capacity. Its relatively large size makes it ideal for use in devices that require higher power outputs, such as computer memory backup devices, electronic calendars, and remote controls. The CR1632 also features a long shelf-life of up to ten years, which makes it an ideal choice for devices that are not used frequently.
Technical Specifications of CR1632
The CR1632 features a nominal voltage of 3V and a cutoff voltage of 2.0V. It has a typical capacity of 120mAh and a maximum continuous discharge current of 0.2mA. The CR1632 also has an operating temperature range of -20°C (-4F) to +60°C (140F), making it suitable for use in a wide range of environments.
Benefits of CR1632
One of the main benefits of the CR1632 is its high capacity, which allows it to power devices for extended periods of time. Its long shelf life also means that it can be stored for long periods without the need for frequent replacements. Additionally, the CR1632 is a reliable and stable battery that provides consistent performance throughout its lifetime.
Limitations of CR1632
Despite its many advantages, the CR1632 has some limitations that users should be aware of. One of the main limitations is its relatively large size, which can make it difficult to fit into some smaller devices. Additionally, the higher capacity of the CR1632 means that it can be more expensive than some other button cell batteries.
Overview of CR1620
The CR1620 is a button cell lithium battery that is commonly used in small electronic devices such as key fobs, calculators, and small remote controls. Despite its small size, the CR1620 provides reliable and long-lasting power that ensures optimal performance for these devices.
Main Features of CR1620
The CR1620 is a 3V lithium battery that has dimensions of 16mm x 2mm. Its small size makes it ideal for use in devices that require a compact power source. The CR1620 has a capacity of 70mAh, which is sufficient for powering small electronic devices that do not require high power outputs.
Technical Specifications of CR1620
The CR1620 has a nominal voltage of 3V and a cutoff voltage of 2.0V. It has a typical capacity of 70mAh and a maximum continuous discharge current of 0.2mA. The operating temperature range of the CR1620 is -20°C (-4F) to +60°C (140F), which means that it can be used in a wide range of environments.
Benefits of CR1620
One of the main benefits of the CR1620 is its compact size, making it suitable for use in devices that require a small power source. It is also a relatively inexpensive battery compared to other button cell batteries, making it a cost-effective power solution for small electronic devices. The CR1620 also has a long shelf-life of up to ten years, which means that it can be stored for a long time without needing to be replaced.
Limitations of CR1620
Despite its many advantages, the CR1620 has some limitations that users should be aware of. The battery has a lower capacity than larger button cell batteries like the CR1632, which means that it may need to be replaced more frequently. Additionally, the CR1620 may not be suitable for devices that require high power outputs since it is designed for low-power applications [3].
CR1632 vs. CR1620: Comparison
Makers And Manufacturers
Both the CR1632 and CR1620 batteries are manufactured by reputable companies that specialize in producing high-quality batteries. These include well-known brands like Panasonic, Energizer, Sony, and Maxell, among others. Regardless of the specific brand, it’s important to choose batteries from reliable manufacturers to ensure safety and performance.
Capacity
Capacity refers to the amount of energy a battery can store, and it is a crucial factor to consider. The CR1632 battery has a higher capacity compared to the CR1620 battery. The CR1632 typically offers a capacity of around 120-130mAh, while the CR1620 provides a capacity of approximately 70-80mAh. This means that the CR1632 battery can provide a longer runtime and better performance for devices that require higher power consumption.
Safety Issues
Both the CR1632 and CR1620 batteries are generally safe to use, but it’s essential to handle them with care. Like any other battery, these button cells can pose a risk if mishandled, such as short-circuiting or overheating. Always follow the manufacturer’s guidelines and avoid exposing the batteries to extreme temperatures or disposing of them improperly.
Voltage
The voltage of a battery determines its power output. In terms of voltage, both the CR1632 and CR1620 batteries have a similar rating of 3 volts. This voltage level is commonly used in various electronic devices, including calculators, watches, remote controls, and small gadgets.
Usage
The CR1632 and CR1620 batteries are commonly used in a wide range of devices that require compact power sources. The CR1632 battery is often found in devices like car key fobs, digital thermometers, fitness trackers, and small medical devices. On the other hand, the CR1620 battery is commonly used in devices such as wristwatches, keyless entry systems, and small electronic toys. It’s important to check the device’s specifications to determine the battery model it requires.
Size
In terms of physical size, the CR1632 battery is slightly larger than the CR1620 battery. The CR1632 has a diameter of 16mm and a thickness of 3.2mm, while the CR1620 has a diameter of 16mm and a thickness of 2.0mm. This size difference can affect the compatibility of the batteries with certain devices, so it’s crucial to ensure the correct fit before making a purchase.
Thickness
As mentioned earlier, the CR1632 battery has a thickness of 3.2mm, while the CR1620 battery has a thickness of 2.0mm. This difference in thickness may not seem significant, but it can impact the fit of the battery compartment in certain devices. Always check the device’s requirements to ensure the proper thickness of the battery.
Weight
The weight of a battery can be a consideration, particularly in devices where size and weight are crucial factors. In terms of weight, the CR1632 battery weighs slightly more than the CR1620 battery. The CR1632 typically weighs around 1.8-2.0 grams, while the CR1620 weighs approximately 1.1-1.3 grams. However, the weight difference is minimal and may not be a significant factor for most applications.
Shelf Life
Both the CR1632 and CR1620 batteries have a good shelf life, typically lasting around 5-10 years when stored properly. However, it’s important to note that the shelf life can vary depending on the brand and storage conditions. Always check the expiration date and storage recommendations provided by the manufacturer.
Terminal Type
The terminal type of a battery refers to the way the positive and negative terminals are designed. In the case of the CR1632 and CR1620 batteries, they both feature a flat positive terminal and a raised negative terminal. This terminal design is commonly used in button cell batteries and ensures compatibility with a wide range of devices.
Run Life
The run life of a battery refers to the duration for which it can power a device continuously. The CR1632 battery, with its higher capacity, generally offers a longer run life compared to the CR1620 battery. However, the actual run life can vary depending on the power requirements of the device and the efficiency of its energy usage.
Continuous Drain Current
Continuous drain current refers to the maximum current that a battery can supply consistently. The CR1632 battery typically has a higher continuous drain current compared to the CR1620 battery. This means that the CR1632 is better suited for devices that require higher power consumption or intermittent high-current draws.
Operating Temperatures
Both the CR1632 and CR1620 batteries can operate within a wide range of temperatures. They are designed to function reliably in temperatures ranging from -20°C (-4F) to +70°C (158F). However, extreme temperatures can affect the performance and lifespan of the batteries, so it’s best to avoid exposing them to temperature extremes whenever possible.
Chemical Composition
The CR1632 and CR1620 batteries are both lithium button cell batteries. They utilize a similar chemical composition, including a lithium anode and a manganese dioxide cathode. This composition provides a stable and reliable power source for various electronic devices.
Devices That Use CR1632 vs. CR1620
As mentioned earlier, the CR1632 and CR1620 batteries are used in different types of devices. The CR1632 is commonly found in car key fobs, digital thermometers, fitness trackers, glucose meters, and small medical devices.
The CR1620, on the other hand, is frequently used in wristwatches, keyless entry systems, small electronic toys, and some calculators. Always refer to the device’s specifications to determine the appropriate battery model.
Cost
In terms of cost, the CR1632 battery is generally slightly more expensive than the CR1620 battery. The price difference may vary depending on the brand and the quantity purchased. However, considering the longer runtime and higher capacity of the CR1632 battery, the price difference may be justified for applications that require more power.
CR1632 vs. CR1620 – Similar Features & Applications
Both the CR1632 and CR1620 batteries belong to the same family of button cell batteries and have a diameter of 16mm. They are also both rated at 3 volts, which is the standard voltage for many small electronic devices. This similarity in size and voltage makes them interchangeable in certain applications where the device can accommodate either battery model.
While they may have different capacities, the CR1632 and CR1620 batteries are used in a wide range of electronic devices. Some devices that commonly utilize both battery models include:
- Watches: Both wristwatches and small clocks often require either a CR1632 or CR1620 battery to power their timekeeping mechanisms;
- Keyless Entry Systems: Many keyless entry systems for cars, homes, and security systems use these batteries to provide power to the remote control or key fob;
- Calculators: Compact calculators, especially those with additional functions and features, may use either a CR1632 or CR1620 battery as their power source;
- Remote Controls: Some remote controls for electronics like televisions, air conditioners, and audio systems may be compatible with either battery model;
- Medical Devices: Certain medical devices, such as blood glucose meters, digital thermometers, and small medical monitors, may rely on either a CR1632 or CR1620 battery to ensure accurate readings;
- Small Electronic Toys: Various small electronic toys and gadgets, including keychain games and mini remote-controlled vehicles, can operate using either battery type [4];
Are CR1632 vs. CR1620 Interchangeable?
The CR1632 and CR1620 batteries have similarities in size and voltage, which might lead to the question of whether they are interchangeable. While they may fit into some devices that accept either battery type, it’s important to note that they have different capacities and power outputs.
Interchanging batteries without considering their specific capacities and power requirements can lead to issues such as decreased performance, shorter battery life, or even potential damage to the device. Therefore, it is generally recommended to use the specific battery model recommended by the device manufacturer.
That being said, there might be certain cases where the CR1632 and CR1620 batteries can be used interchangeably if the device’s power requirements and physical dimensions allow for it. However, it is crucial to consult the device’s user manual or specifications to determine the appropriate battery model for optimal performance and compatibility.
Conversely, using a higher capacity battery (such as a CR1632 in a device designed for a CR1620) may not provide any significant advantages and could potentially strain the device’s circuitry.
What Should I Consider When Buying CR1632 vs. CR1620 Batteries:
1) Application Area
First and foremost, consider the specific application for which you need the battery. Different devices have varying power requirements, and using the correct battery is crucial for optimal performance. Determine whether your device requires a CR1632 or a CR1620 battery by checking the manufacturer’s specifications or user manual. Using the wrong battery model can result in reduced performance, shorter battery life, or even potential damage to the device.
2) Know The Specs Of The Battery
Understanding the specifications of the battery is essential when making a purchase. Take note of the capacity, voltage, and other relevant details. The CR1632 battery typically offers a higher capacity (around 120-130mAh) compared to the CR1620 battery (approximately 70-80mAh).
If your device requires a higher power output or has more significant power demands, the CR1632 battery may be the better choice. However, if your device has lower power requirements, the CR1620 battery could suffice.
Additionally, consider the voltage rating, which is 3 volts for both battery models. It’s important to match the voltage requirements of your device to ensure proper operation.
3) Packaging
Pay attention to the packaging of the batteries. Always purchase batteries from reputable sources to ensure authenticity and quality. Look for reputable brands and reliable manufacturers to ensure you are getting genuine batteries that meet safety standards. Avoid purchasing batteries from unknown or unreliable sources, as counterfeit or low-quality batteries may not perform as expected and could pose safety risks.
Furthermore, consider the packaging quantity. Some devices may require multiple batteries, so purchasing batteries in bulk could be more cost-effective. However, if you only need batteries for a single device or have limited storage space, buying a smaller pack might be more suitable.
Remember to check the expiration date on the battery packaging as well. Using expired batteries can lead to reduced performance or even leakage.
The Equivalents Of CR1632
The CR1632 has several equivalents that may be used as its replacements. These equivalent batteries are similar in specifications and can be easily substituted for the CR1632 in most applications.
Here are some of the most common equivalents of CR1632:
- VL1632;
- ML1632;
- LiR1632;
- BR1632;
- DL1632;
- ECR1632;
- KCR1632;
- KECR1632;
- KL1632;
It is important to note that while these equivalents have similar voltage and capacity specifications, there may still be variations in their physical dimensions. Some may be slightly thicker or thinner than the CR1632, which may affect their compatibility with certain devices.
In general, the CR1632 equivalents can be easily found at most electronics or battery stores and are typically priced similarly to the CR1632. When shopping for equivalent batteries, it is important to look for reputable brands to ensure optimal performance and longevity of the battery [5].
The Equivalents Of CR1620
Some equivalent batteries for the CR1620 include:
- DL1620;
- SB-T17;
- 5009LC;
- ECR1620;
- BR1620;
- ML1620;
- LiR1620;
It is important to note that while these batteries may have similar specifications, they may have variations in their physical dimensions, and compatibility with specific devices may vary. It’s always recommended to check the device manual or manufacturer’s website for the recommended battery type before making any substitutions [6].
Additionally, when shopping for equivalent batteries, it is important to look for reputable brands to ensure optimal performance and longevity of the battery.
FAQ
1. What battery can I substitute for CR1620?
A common substitute for the CR1620 battery is the CR1616 battery. The CR1616 battery has a similar diameter and terminal configuration as the CR1620, but it is slightly thinner. While the capacity of the CR1616 battery is lower than the CR1620, it can work as a temporary substitute in devices that have lower power requirements.
2. What battery can replace CR1632?
A suitable replacement for the CR1632 battery is the CR1620 battery. The CR1620 has a similar diameter and terminal configuration as the CR1632 but is thinner. While the capacity of the CR1620 is lower, it can be used as a substitute for devices with lower power requirements or as a temporary solution until a CR1632 battery is available.
3. Is CR1620 and CR2032 the same?
No, the CR1620 and CR2032 batteries are not the same. They have different sizes, with the CR1620 being thinner than the CR2032. Additionally, the CR2032 has a higher capacity and voltage compared to the CR1620. Therefore, they are not interchangeable, and using the wrong battery could result in improper performance or damage to the device.
4. Can I replace a CR1632 battery with a CR2032?
While the CR1632 and CR2032 batteries have similar diameters, they have different thicknesses. The CR2032 is thicker than the CR1632. Additionally, the CR2032 has a higher capacity and voltage. While physically it might be possible to fit a CR2032 battery in a device that requires a CR1632, the higher voltage and capacity could potentially cause damage to the device. It is recommended to use the specific battery model recommended by the device manufacturer.
5. What is the voltage of a CR1632 battery when new?
The voltage of a CR1632 battery when new is typically rated at 3 volts. This voltage remains relatively stable throughout the majority of the battery’s lifespan until it reaches its end of life.
6. Can I use CR1616 instead of CR1620?
Yes, you can use a CR1616 battery as a substitute for a CR1620 in certain situations. The CR1616 battery has a slightly smaller thickness than the CR1620, but it can fit into devices with compatible dimensions.
However, it’s important to note that the CR1616 battery has a lower capacity, so it may not provide the same runtime or performance as the CR1620 battery in devices with higher power requirements.
7. Is CR1632 the same as 1632?
Yes, CR1632 and 1632 are essentially the same battery. The “CR” prefix indicates that it is a lithium coin cell battery, and the “1632” refers to its size and dimensions. Therefore, CR1632 and 1632 can be used interchangeably to refer to the same battery model [7].
8. How thick is a CR1632 battery?
The CR1632 battery has a thickness of approximately 3.2mm. This measurement may vary slightly depending on the manufacturer, but it is generally consistent across different brands.
9. How long do CR1632 batteries last?
The lifespan of a CR1632 battery depends on various factors, such as the power requirements of the device it is used in and the usage patterns. On average, a CR1632 battery can last anywhere from 2 to 5 years in low-power devices. However, in devices with higher power consumption or frequent use, the battery life may be shorter.
10. Are CR batteries interchangeable?
CR batteries come in various sizes, such as CR1620, CR1632, CR2032, CR2016, and more. While batteries within the same size group (e.g., CR1620 and CR2016) may share similar dimensions, they can have different capacities and power outputs. Therefore, it is important to refer to the specific requirements of your device and use the recommended battery model to ensure compatibility and optimal performance.
11. What battery can I use instead of a CR2016?
A suitable substitute for the CR2016 battery is the CR2032 battery. While the CR2032 has a higher capacity and thickness compared to the CR2016, it can often be used as a replacement in devices that can accommodate the slightly larger size.
12. What are the CR battery sizes?
CR-battery sizes refer to lithium coin cell batteries that have a round shape and are commonly used in various electronic devices. The sizes of CR-batteries include CR1620, CR1632, CR2032, CR2016, CR2450, CR2025, and more. The numbers in the battery size indicate the diameter and thickness of the battery in millimeters.
13. Is there a substitute for the CR1620 battery?
A suitable substitute for the CR1620 battery is the CR1616 battery. While the CR1616 has a lower capacity, it has a similar diameter and terminal configuration, making it compatible with devices that require a CR1620. However, it’s important to note that the runtime and performance may be reduced compared to using the correct CR1620 battery.
14. What voltage should a CR2016 read?
A CR2016 battery should read approximately 3 volts when measured with a voltmeter when it is new or fully charged. However, the voltage may decrease over time as the battery is used and its capacity is depleted.
15. How many volts is a CR1616 battery?
A CR1616 battery typically has a voltage rating of 3 volts when it is new or fully charged. The voltage remains relatively stable throughout the majority of the battery’s lifespan until it reaches its end of life.
Useful Video: 12 Best CR1632 Batteries
References
- https://www.icrfq.net/cr1632-vs-cr1620/
- https://comparisonsguide.com/batteries/cr1620-vs-cr1632/
- https://famuse.co/can-i-use-1620-instead-1632/
- https://thewiredshopper.com/cr1620-battery-equivalent/
- https://www.apogeeweb.net/circuitry/cr1632-lithium-battery-introduction.html
- https://www.etechnophiles.com/cr1620-equivalent-voltage-size-uses/
- https://thewiredshopper.com/cr1620-battery-equivalent/