The SR927SW battery can be replaced by the 399 or SG7 battery. Both are button cells or coin cells. These batteries are popular for watches. When selecting a replacement, verify that the size and type match for proper functionality.
Additionally, brands like Energizer and Renata offer their own versions of the SR927SW battery, ensuring reliability and performance. It is crucial to check your device’s manual or consult with a professional if you are uncertain about compatibility.
For those seeking alternatives, options such as SR926SW, LR927, and other 9-series batteries may also fit depending on your device’s requirements.
Understanding battery compatibility is essential for maintaining your devices efficiently. As we delve deeper, we will explore the detailed characteristics of each equivalent battery option. This information will help you make informed choices when replacing your watch battery. We will also discuss how to properly install these batteries to optimize your device’s performance.
What is an SR927SW Battery and Its Key Features?
The SR927SW battery is a small, round button cell battery commonly used in watches, calculators, and small electronic devices. It is a silver oxide battery with a nominal voltage of 1.55 volts, designed to provide reliable and long-lasting power.
According to Energizer, the SR927SW battery is also known as the 399 and is classified under the silver oxide battery category. This designation indicates its chemistry and application in powering low-drain devices efficiently.
The SR927SW battery features high energy density and low self-discharge rates. Its design ensures stable voltage output, which is crucial for accurate timekeeping in watches. Additionally, the battery is mercury-free, making it a safer choice for the environment compared to older battery technologies.
The International Electrotechnical Commission (IEC) classifies the SR927SW battery as part of the 3.0V silver oxide series. These batteries are known for their reliability in various electronic applications and have become a standard choice in the consumer market.
Factors influencing SR927SW battery performance include temperature, storage conditions, and the device’s power requirements. A higher operating temperature may reduce battery life, while proper storage in a cool, dry environment extends its usability.
Approximately 2 billion button cell batteries are produced annually, according to the Portable Power Association. This reflects the strong demand for portable power sources across numerous devices, emphasizing the importance of this battery type.
The reliance on SR927SW batteries impacts consumer electronics industries, influencing product designs and sustainability practices. Manufacturers increasingly prioritize using safer, rechargeable alternatives in response to environmental concerns.
From a health perspective, improper disposal of batteries can lead to soil and water pollution, affecting communities. The economic cost of battery waste management also rises as disposal regulations tighten.
To mitigate the impacts of battery waste, organizations such as Call2Recycle recommend recycling programs. These initiatives can recover valuable materials and reduce environmental harm associated with battery disposal.
Possible strategies include promoting rechargeable alternatives, raising consumer awareness about proper disposal, and establishing more extensive recycling networks. Implementing these practices can improve environmental outcomes and reduce reliance on disposable battery technologies.
What Equivalent Batteries Can Replace SR927SW?
The SR927SW battery can be replaced with several equivalent batteries.
- SR927W
- SR927
- AG7
- LR927
- 395/399
- 398
These options provide various perspectives on battery compatibility. Some users favor silver oxide batteries for higher voltage and longer life, while others prefer alkaline alternatives for cost-effectiveness. Awareness of the specific device requirements is crucial, as some devices may perform better with certain battery types.
-
SR927W: The SR927W is a direct replacement for the SR927SW. It shares the same specifications and is widely used in watches and small electronics. Many users choose this option due to its compatibility with many devices.
-
SR927: The SR927 battery is another equivalent option. It delivers similar performance characteristics, making it suitable for use in the same applications. Users may select this type for its availability in various stores.
-
AG7: The AG7 consists of an alkaline chemistry, making it a budget-friendly alternative. However, it typically offers a lower capacity than the silver oxide variants. Some users may prefer AG7 for its lower cost, despite shorter life spans.
-
LR927: Like the AG7, the LR927 battery is an alkaline option. It performs adequately in devices with lower power demands. Users sometimes prefer this battery for devices intended for intermittent use.
-
395/399: The 395 and 399 designations refer to a group of batteries often interchangeable with the SR927SW. They provide similar dimensions and voltages, but compatibility should always be verified with the specific device. Many users appreciate this alternative for its general availability.
-
398: The 398 battery is compatible due to similar characteristics with the SR927SW. Users may choose this battery in applications where exact voltage and size are required, highlighting the importance of specifications in battery replacement decisions.
Understanding these equivalents can help users make informed decisions when replacing their SR927SW batteries. The choice between them may depend on device specifications, budget considerations, and personal preference for battery chemistry.
How Do the Sizes and Voltages of SR927SW and Its Replacements Compare?
The SR927SW battery is a small-sized battery typically used in watches and electronic devices, and it has equivalent replacements such as the SR927, AG7, and LR927. These batteries share similar sizes but may differ in voltage and chemistry.
- Size: The SR927SW battery measures 9.5mm in diameter and 2.7mm in height. The replacements, including SR927 and AG7, maintain the same dimensions, making them suitable substitutes in devices requiring a SR927SW.
- Voltage: The SR927SW typically operates at 1.55 volts. The alternative batteries, like the SR927 and AG7, also maintain this voltage, ensuring compatibility in most devices. The LR927, however, operates at 1.5 volts due to its alkaline chemistry, which may lead to reduced longevity in some applications.
- Chemistry: The SR927SW and its replacements primarily utilize silver oxide chemistry, which provides consistent performance and longer lifespan compared to alkaline alternatives like the LR927. Silver oxide batteries are known for their stable voltage output and reliable discharge rates.
- Application: These batteries are commonly found in wristwatches, calculators, and remote controls. Choosing the right replacement is crucial for performance. Using a battery with a lower voltage, such as the LR927, may result in diminished functionality or shorter device life.
These comparisons highlight important factors that should be considered when selecting a replacement for the SR927SW battery.
How Can You Select the Right Replacement Battery for SR927SW?
To select the right replacement battery for SR927SW, consider the compatibility, size, voltage, and brand reliability of the battery options.
Compatibility: Ensure that the replacement battery matches the specifications of the SR927SW. The SR927SW is commonly used in watches and small electronic devices. Check if the markings on the device indicate battery size and type.
Size: The physical dimensions of the replacement battery must be identical to the SR927SW. The typical size is 9.5mm in diameter and 2.7mm in height. Deviations in size can affect the fit and functionality.
Voltage: Verify the voltage of the replacement battery. The SR927SW typically operates at 1.55 volts. Using a battery with the same voltage ensures proper performance and longevity.
Brand reliability: Opt for batteries from well-known brands. Reputable manufacturers provide quality assurance. Avoid generic options that may lack necessary certifications or quality control.
Expiration date: Look for the expiration date on the packaging. Fresh batteries perform better and last longer. Older batteries may have reduced power and shorter lifespan.
By focusing on these key points, you can select the right replacement battery for your SR927SW.
Where Can You Find and Purchase Replacement Batteries for SR927SW?
You can find and purchase replacement batteries for SR927SW at various retail locations and online platforms. Many electronics stores, such as Best Buy or RadioShack, carry SR927SW batteries. You can also check department stores like Walmart or Target in their electronics section. Online, websites such as Amazon, eBay, and specialized battery retailers offer a wide selection. When buying, confirm that the battery is compatible and specified as SR927SW or its equivalents, such as 395 or RG927.
Related Post: