The SR920SW battery can be replaced by the 371, 370, LR920, or AG6 batteries. Ensure compatibility by checking the voltage, size, and brand reputation. These replacement batteries work in various electronic devices that need an SR920SW battery. Select options that match these criteria for optimal performance.
In addition to the direct equivalents, other types, such as the LR920 or the AG6, can function as alternatives. However, users should be cautious since these batteries may have different discharge characteristics and may not provide the same longevity as the SR920SW. Selecting an appropriate replacement relies on understanding your device’s requirements and the specific attributes of the battery.
In conclusion, while several option exist to replace the SR920SW, careful consideration is essential to ensure optimal device performance. Knowing what battery replaces SR920SW allows you to maintain your devices effectively. Next, we will explore how to identify the type of battery your device needs and ensure a proper fit for seamless functionality.
What is the SR920SW Battery and Its Importance?
The SR920SW battery is a small, silver oxide cell primarily used in watches and electronic devices. It is known for its stable voltage output and long shelf life.
According to the International Battery Association, silver oxide batteries like the SR920SW typically provide a nominal voltage of 1.55 volts. They are recognized for their reliability in powering precision instruments.
The SR920SW battery features a compact size, usually measuring 9.5 mm in diameter and 2.1 mm in height. It offers a good energy density and performs well in devices that require consistent power over time.
The European Commission refers to silver oxide batteries as essential for consumer electronics, highlighting their importance in maintaining the functionality of everyday devices like watches, calculators, and hearing aids.
The demand for SR920SW batteries arises from the widespread use of wristwatches and various electronics. These batteries are also preferred for their low self-discharge rates, ensuring long-lasting power.
Market analysis shows that the demand for button-cell batteries, including SR920SW, is expected to grow by 5.4% annually until 2028, according to a report by Market Research Future. This indicates a continuing reliance on these batteries in consumer electronics.
The continued use of SR920SW batteries can reduce e-waste and prolong the life of electronic devices, benefitting both consumers and the environment.
In terms of health and safety, silver oxide batteries pose a low environmental risk when disposed of properly. However, improper disposal may lead to chemical leaching and contamination.
Examples of the broad impacts include prolonged battery life in devices leading to less frequent replacements, conserving resources, and reducing electronic waste in landfills.
To address disposal issues, organizations like the International Solid Waste Association advocate for recycling programs that specifically target button-cell batteries, including SR920SW.
Strategies to mitigate potential disposal impacts include consumer education on proper recycling methods and encouraging manufacturers to implement sustainable packaging and design practices.
What are the Specifications of the SR920SW Battery?
The specifications of the SR920SW battery include its size, voltage, chemistry, and common applications.
- Size: 9 mm diameter, 2.1 mm height
- Voltage: 1.55 volts
- Chemistry: Silver oxide
- Capacity: Approximately 40 mAh
- Applications: Watches, calculators, and small electronic devices
The SR920SW battery may share its specifications with other batteries, leading to varying perspectives on its interchangeability and usability across devices. Some people believe that similar batteries like SR920 or AG13 could serve as direct replacements. Others may argue that slight differences in voltage or capacity could affect performance.
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Size:
The size of the SR920SW battery is defined as having a diameter of 9 mm and a height of 2.1 mm. This compact size makes it suitable for small devices such as watches. Many consumers appreciate this size because it fits a range of timepieces and compact electronics seamlessly. -
Voltage:
The SR920SW battery operates at a voltage of 1.55 volts. This voltage is essential for ensuring that the devices it powers function correctly. Devices designed for this voltage may malfunction or underperform if supplied with batteries of different voltages. -
Chemistry:
The chemistry of the SR920SW battery is silver oxide. This type of chemistry allows for a stable voltage output, which is crucial for consistent performance in timekeeping devices. Silver oxide batteries are favored over alkaline batteries for their reliability in small electronic applications. -
Capacity:
The capacity of the SR920SW is approximately 40 mAh. This capacity indicates the amount of energy the battery can store and deliver over time. A higher capacity usually means longer usage before needing replacement. Users often seek batteries with an optimal balance of size and capacity for their devices. -
Applications:
The applications for the SR920SW battery typically include watches, calculators, and other small electronics. This versatility is valuable to consumers as it serves multiple devices with high performance. Some people may prefer alternative batteries for less sensitive applications, citing cost efficiency over brand reliability.
Which Batteries are Equivalent to the SR920SW?
The batteries equivalent to the SR920SW include several types of button cell batteries that share similar specifications.
- LR69
- 373
- 392
- AG5
- SR69
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SR920
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LR69:
The LR69 is an alkaline battery equivalent to the SR920SW. It offers a nominal voltage of 1.5 volts and is widely used in various electronic devices. Alkaline batteries are known for their affordability and accessibility. -
373:
The 373 battery is another equivalent option. It produces a voltage of 1.55 volts and is suitable for use in watches, calculators, and more. This type has a stable discharge curve and good shelf life, which makes it a reliable choice for low-drain devices. -
392:
The 392 is a silver oxide battery, similar in design and output to the SR920SW. It usually provides a voltage of 1.55 volts, offering better performance in high-drain applications compared to alkaline batteries. Silver oxide batteries typically come with a longer shelf life. -
AG5:
The AG5 is also an equivalent battery option with a voltage of 1.5 volts. Its alkaline chemistry results in faster discharge rates. AG5 batteries are commonly used in smaller electronics and lightweight devices. -
SR69:
The SR69 is a silver oxide battery that matches the specifications of the SR920SW. It delivers superior performance in temperature variations and can effectively power devices that require stable voltage over time. -
SR920:
The SR920 is the original silver oxide battery model, designed specifically for devices like watches. It generally maintains a voltage of 1.55 volts and is favored for precision timing devices due to its consistent performance.
In summary, the SR920SW has various equivalent options available, each offering unique features conducive to specific applications.
Are 370 and 371 Batteries Interchangeable with SR920SW?
No, the 370 and 371 batteries are not interchangeable with the SR920SW battery. While they share some similarities in size and application, they differ in voltage and chemical composition, making them unsuitable substitutes for each other.
The SR920SW battery is a silver oxide battery with a nominal voltage of 1.55 volts. In contrast, the 370 and 371 batteries are alkaline, generally producing a voltage of 1.5 volts. Although these batteries may physically fit in devices that use the SR920SW, the difference in voltage can lead to decreased performance or malfunctions. Additionally, the SR920SW typically has a higher energy density compared to alkaline batteries, which may affect how long the battery lasts in use.
Positive aspects of using the SR920SW battery include its reliability and longer lifespan. Silver oxide batteries, like the SR920SW, tend to last longer compared to alkaline batteries in similar applications. Therefore, devices powered by SR920SW batteries often exhibit more stable performance, especially in high-drain applications like watches and electronic devices.
On the negative side, the SR920SW battery can be more expensive than the 370 and 371 batteries. The manufacturing processes and materials used in silver oxide batteries usually incur higher production costs. Moreover, improper usage of batteries, such as using one type in place of another, can damage the devices they operate, potentially leading to costly repairs or replacements.
For optimal performance, it is crucial to use the correct battery type specified for your device. If your device requires an SR920SW, you should avoid using 370 or 371 batteries. Consider checking the user manual of your device to confirm compatibility. Furthermore, purchasing higher-quality SR920SW batteries can enhance device longevity and performance.
What are the Differences Between SR920SW and Its Replacements?
The differences between SR920SW and its replacements primarily lie in their chemical composition, voltage output, and physical dimensions.
- Chemical Composition
- Voltage Output
- Physical Dimensions
- Capacity and Runtime
- Compatibility with Devices
The above points highlight key attributes that distinguish the SR920SW from its alternatives. Each of these aspects can influence the battery’s performance and suitability for various applications.
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Chemical Composition:
The SR920SW battery typically features a silver oxide composition. This chemical setup offers higher energy density compared to alkaline equivalents. Silver oxide batteries tend to maintain stable voltage throughout their discharge cycle. In contrast, alkaline replacements may have lower energy density and can experience a gradual voltage drop. -
Voltage Output:
The SR920SW delivers a nominal output of 1.55 volts. Alkaline replacements may provide approximately 1.5 volts. While this difference seems minor, it can impact the performance of sensitive electronic devices, leading to inconsistent operation or reduced functionality. -
Physical Dimensions:
The SR920SW has specific physical dimensions, typically measuring 9.5 mm in diameter and 2.1 mm in height. While many alternatives follow the same dimension, slight variations can exist. It’s crucial to use batteries that match these specifications to ensure proper fit and function. -
Capacity and Runtime:
The SR920SW generally offers a higher capacity rating, around 40-45 mAh, than many of its alkaline counterparts. This higher capacity means that the silver oxide batteries can provide longer-lasting performance before needing replacement. -
Compatibility with Devices:
The SR920SW is compatible with various devices, including watches, calculators, and medical instruments. However, not all alternatives may work effectively with these devices due to differences in capacity and voltage. Users should verify compatibility to avoid device malfunction.
In summary, understanding these differences can help in selecting the right battery according to device requirements, ensuring optimal performance and longevity.
How Do I Choose the Best Replacement Battery for the SR920SW?
To choose the best replacement battery for the SR920SW, consider factors such as compatibility, voltage, and capacity. These factors will ensure optimal performance and longevity of the battery.
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Compatibility: Ensure the replacement battery matches the size specifications of the SR920SW. The SR920SW is a type of button cell battery, also known as 392, with a diameter of 9.5mm and a height of 2.2mm. This compatibility is crucial for proper fit in devices.
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Voltage: The SR920SW typically operates at a voltage of 1.55V. When selecting a replacement, verify that the new battery maintains this voltage. Using a battery with a different voltage can lead to improper functioning or damage to the device.
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Capacity: Check the battery’s capacity, usually measured in milliamp hours (mAh). The SR920SW has a capacity of around 40 mAh. Choosing a battery with a similar or higher capacity can enhance the runtime and efficiency of the device.
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Chemistry: The SR920SW is commonly made from silver oxide. Opting for silver oxide batteries will provide better performance and stability compared to alternatives like alkaline batteries, which may have a shorter lifespan.
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Brand reliability: Consider reputable brands known for quality batteries. Brands like Renata, Energizer, and Maxell produce reliable replacements for SR920SW. Quality batteries enhance performance and reduce the risk of leaking or corrosion in devices.
By focusing on these factors, you can select the most suitable replacement battery for the SR920SW. This will ensure that your device operates smoothly and efficiently.
What Factors Should I Consider When Selecting a Replacement?
To select a suitable replacement for the SR920SW battery, consider factors such as compatibility, capacity, voltage, and brand reliability.
- Compatibility with devices
- Battery capacity and longevity
- Voltage specifications
- Brand reliability and customer feedback
Understanding these factors forms the foundation for choosing the right battery replacement.
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Compatibility with Devices:
Compatibility with devices is crucial when selecting a replacement for the SR920SW battery. This battery is commonly used in watches, remote controls, and small electronic devices. Ensure the replacement matches the specific requirements of your device. Verify that the physical dimensions fit and that it operates correctly in terms of connectivity. -
Battery Capacity and Longevity:
Battery capacity and longevity refer to the amount of energy the battery can store and how long it lasts under normal usage. For the SR920SW, look for batteries with similar milliamp-hour (mAh) ratings to ensure performance that meets your expectations. A higher capacity may offer longer usage between replacements. Consider brands that provide this information clearly. -
Voltage Specifications:
Voltage specifications refer to the electrical potential difference provided by the battery. The SR920SW typically operates at 1.55 volts. Using a battery with a significantly different voltage can lead to device malfunction. Always check that the replacement maintains the same voltage to ensure optimal performance. -
Brand Reliability and Customer Feedback:
Brand reliability and customer feedback play significant roles in the selection process. Opt for reputable brands known for quality and performance. Review user feedback and ratings to gauge reliability and satisfaction. Brands such as Renata and Energizer often receive high praise for their battery products.
Selecting the right replacement battery involves careful consideration of compatibility, capacity, voltage, and brand reputation to ensure effective and reliable use in your electronic devices.
Why is Battery Voltage Important for My Device’s Performance?
Battery voltage is crucial for your device’s performance because it directly affects how well the device operates. Each electronic device is designed to function effectively within a specific voltage range. If the voltage is too low, the device may not power on or may work inconsistently. Conversely, if the voltage is too high, it may damage the device or shorten its lifespan.
According to the U.S. Department of Energy, voltage is defined as the difference in electric potential between two points. This definition underscores that voltage is a fundamental concept in understanding how batteries deliver energy to devices and how devices utilize that energy.
The importance of battery voltage can be broken down into several factors:
- Power Supply: Electronic devices need a specific power supply to function. The voltage from the battery provides this energy.
- Circuit Compatibility: Devices contain circuits that operate optimally at certain voltages. If the supplied voltage is outside the accepted range, it can disrupt operations.
- Battery Chemistry: Different battery types, such as alkaline or lithium-ion, have different voltage outputs. This variation affects the performance of devices.
Battery voltage is a technical term referring to the level of electrical potential that a battery can deliver. This potential needs to match the requirements of the device. For instance, many devices operate at 1.5V, while others may require 3V or more, depending on their design and functionality.
Understanding battery voltage involves recognizing the underlying mechanisms. Batteries convert stored chemical energy into electrical energy through electrochemical reactions. When a battery discharges, it generates a flow of electrons, creating voltage. This flow must align with the device’s circuitry to ensure proper functionality. If the voltage drops due to battery depletion, performance may decline, potentially leading to malfunction.
Several conditions influence battery voltage. For example, temperature extremes can affect battery efficiency. Cold temperatures can reduce the chemical reactions within a battery, lowering its voltage output. High temperatures can increase the risk of chemical breakdown, affecting voltage stability. Additionally, using a battery designed for a lower voltage device in a higher voltage device can lead to poor performance or damage.
In summary, maintaining the appropriate battery voltage is essential for optimal device performance. It ensures that the power supply meets the device’s operational needs, preventing potential failures or damage.
Where Can I Purchase SR920SW Replacement Batteries?
You can purchase SR920SW replacement batteries from various sources. Retailers such as Amazon and Walmart offer a wide selection online. Local electronics stores often stock these batteries as well. Additionally, drugstores like CVS and Walgreens typically carry button cell batteries, including the SR920SW. You can also find them at specialty watch repair shops. Always check the product specifications to ensure compatibility before buying.
What Common Devices Use the SR920SW Battery, and How Do I Know Which Replacement to Use?
The SR920SW battery is commonly used in various devices such as watches, calculators, and electronics. Identifying the correct replacement involves checking the specifications and compatibility.
Common devices using the SR920SW battery include:
1. Quartz watches
2. Digital watches
3. Calculators
4. Hearing aids
5. Medical devices
6. Keyless entry remote controls
To determine the right replacement for the SR920SW battery, you need to consider device specifications and alternative designations.
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Quartz Watches:
Quartz watches predominantly use the SR920SW battery due to their low energy consumption. The battery provides a reliable power source, which is crucial for maintaining accurate timekeeping. Variants like the 371 or 364 batteries may also be compatible depending on the watch model. -
Digital Watches:
Digital watches require the SR920SW battery for optimal function. The battery’s design ensures longevity and performance. It’s essential to check for compatibility with models that may also utilize the CR1025 or LR920 as alternatives. -
Calculators:
Many calculators rely on the SR920SW battery for their power. The battery offers a consistent voltage needed for calculations. When replacing, it is vital to verify if your calculator can work with batteries like the SR921 or AG5. -
Hearing Aids:
Hearing aids often utilize the SR920SW battery for sound amplification. These batteries are crucial for providing hearing support. Users should consult their hearing aid manuals to explore alternatives such as the PR920 or PR921 when replacements are necessary. -
Medical Devices:
Certain medical devices, such as glucose meters, use the SR920SW battery. This battery ensures reliability in health monitoring. Depending on the device specifications, alternative batteries like the CR920 may work as substitutes. -
Keyless Entry Remote Controls:
Keyless entry remotes for vehicles sometimes use the SR920SW battery. The battery’s compact size and status as a power-efficient source are advantageous. It is advisable to confirm if the remote can also utilize equivalent batteries such as the CR920.
In summary, when replacing the SR920SW battery, always verify the specifications of your device. Each device may have its recommended alternatives, ensuring correct and optimal performance.
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