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All You Need to Know About SR927W Batteries: A Comprehensive Guide

When it comes to small gadgets like watches, calculators, and medical equipment, the SR927W battery stands out as a dependable choice. This comprehensive guide will take you through all the important aspects of SR927W batteries, from their features and practical applications to their equivalents in other battery systems. So whether you’re a tech enthusiast or simply curious about these tiny powerhouses, this guide has got you covered.

What Is SR927W?

SR927W is a specific type of battery that belongs to the silver oxide button cell category. It is commonly used in various electronic devices. The SR927W battery is also known by its alternative names, such as 395, SG7, AG7, and LR927.

Features

  • Long-lasting power: This battery provides a stable and consistent power supply for extended periods.
  • High capacity: Despite its compact size, the SR927W battery has a relatively high energy density, allowing it to store a significant amount of power.
  • Reliable performance: With a low self-discharge rate, the SR927W battery retains its charge even when not in use, ensuring it is ready when needed.
  • Wide temperature range: It can operate effectively across a broad range of temperatures, making it suitable for both indoor and outdoor applications.
  • Compact and lightweight: The small size and lightweight nature of the SR927W battery make it convenient for use in portable devices.

Specs of SR927W

Type
Description
Category
Battery Products
Batteries Non-Rechargeable (Primary)
Mfr
Seiko Instruments
Package
Tray
Product Status
Active
Battery Chemistry
Silver Oxide
Battery Cell Size
Coin, 9.5mm
Voltage – Rated
1.55 V
Capacity
60mAh
Size / Dimension
0.37″ Dia x 0.11″ H (9.5mm x 2.8mm)
Termination Style
Requires Holder
Discharge Rate
110µA
Weight
0.75 g

Price 

Reference table for the price:

price reference table

Practical Applications

  1. Watches: Many analog and digital watches rely on SR927W batteries to power their movements and additional functions.
  2. Calculators: Scientific calculators often require SR927W batteries to ensure long-lasting operation.
  3. Medical equipment: Various medical devices like glucose meters, hearing aids, and blood pressure monitors utilize SR927W batteries due to their reliable performance.
  4. Cameras and photography equipment: Some cameras, especially older models, utilize SR927W batteries to power their light meters or other auxiliary functions.
  5. Small electronics: A wide range of small electronic devices, such as keyless entry systems, remote controls, and small toys, benefit from the compact size and high capacity of SR927W batteries.

SR927W Battery Equivalent

SR927W batteries have several equivalents in different battery naming systems. Some common equivalents include:

  • AG7: This is a popular alternative name for the SR927W battery, especially in North America.
  • 395: Another common designation for the SR927W battery.
  • LR927: In the International Electrotechnical Commission (IEC) system, the SR927W battery is designated as LR927.
  • SG7: This is yet another alternative name used to refer to the SR927W battery.

SR927W vs SR927SW

The terms SR927W and SR927SW are often used interchangeably to refer to the same battery type. Both batteries are silver oxide button cells with the same dimensions (9.5mm in diameter and 2.7mm in height). The “W” and “SW” suffixes simply indicate different manufacturers or naming conventions. Generally, both batteries have the same voltage (1.55V) and can be used interchangeably in compatible devices without any issues.

How To Use SR927W?

Using an SR927W battery is quite straightforward. Here are the general steps:

1. Check the device’s manual

Ensure that your device is compatible with SR927W batteries. It is always recommended to consult the user manual for specific instructions.

2. Prepare the battery

Remove the battery from its packaging and check for any protective seals or tabs. If present, remove them before use.

3. Insert the battery

Locate the battery compartment on your device and carefully insert the SR927W battery, ensuring the positive (+) and negative (-) terminals align correctly with the device’s contacts.

4. Close the compartment

Securely close the battery compartment, making sure it is properly sealed to maintain a stable connection.

5. Test the device

Turn on your device or activate the relevant functions to verify if the SR927W battery is powering it correctly.

SR927W Near You

To find SR927W batteries near you, you can try the following options:

a) Local retailers

Visit electronics stores, watch repair shops, or specialty battery stores in your area. They usually carry a variety of batteries, including SR927W.

b) Online marketplaces

Browse online platforms like Amazon, eBay, or other reputable websites where you can find various battery suppliers. Search specifically for SR927W or its equivalents.

c) Local distributors

Contact local battery distributors in your region and inquire about the availability of SR927W batteries. They might be able to guide you to nearby stores that stock them.

FAQs

Which battery can replace SR927SW?

The SR927SW battery is essentially the same as SR927W, with only a different manufacturer’s designation. However, if you are unable to find an SR927SW specifically, you can use other equivalent batteries such as 395, AG7, LR927, or SG7. These batteries have similar dimensions and voltage ratings, making them suitable replacements for SR927SW.

Is SR927W the same as 399?

No, SR927W is not the same as 399. While both batteries are silver oxide button cells used in small electronic devices, they differ in terms of dimensions and voltage. The SR927W has a diameter of 9.5mm and a height of 2.7mm, with a voltage rating of 1.55V.

On the other hand, the 399 battery has a larger diameter of 11.6mm and a height of 2.6mm, with a slightly higher voltage of 1.6V. It is important to use the correct battery type specified by the device manufacturer to ensure proper functionality.

Is SR927 the same as 395?

Yes, SR927 and 395 are the same battery. They are both button cell batteries with a diameter of 9.5mm and a height of 2.7mm. The only difference is in the naming convention used by different manufacturers. Some manufacturers use the SR prefix, while others use the numerical code like 395. However, they have the same voltage and can be used interchangeably.

Conclusion

With its compact size, high capacity, and wide range of practical applications, the SR927W battery proves to be an invaluable power source for numerous electronic devices. From keeping your watch ticking to enabling critical functions in medical equipment, these batteries deliver consistent and reliable performance. By understanding their features and equivalents, you can make informed decisions when it comes to powering your favorite gadgets.