371 Battery: Applications, Specifications & Replacements

What is a 371 Battery?

The 371 battery is a 9.5mm diameter coin cell that is 2.7mm high. It belongs to the family of silver oxide batteries that are known to possess consistent voltage output and an extended power supply. A 371 battery will normally produce a voltage of 1.55V, and typically it is utilized in smaller electronics that need a small source of power.

 

Simple Specification Table

 

What are the 371 Battery Applications?

 

Wristwatches:

The 371 type of battery is commonly utilized in wrist watches as it is able to offer constant and prolonged power. It has a consistent voltage output, allowing one to keep accurate time with no performance interruptions.

 

Calculators:

A large number of miniature calculators take the 371 battery because of its constant discharge rate. This regular power supply will also aid the device in running without any stutter, even when used frequently in a day.

 

Medical Devices:

Glucose meters and thermometers are among the devices that use the 371 battery, as precision in such cases is of paramount importance. The constant voltage of the battery is good for maintaining the correct readings and reliable use.

 

Hearing Devices:

Some small hearing aids also take the 371 battery, courtesy of its small size and the constant supply of energy. It has a high life cycle, which minimizes the rate at which the battery is replaced, and this is convenient to the user.

 

Small Electronics and Key Fobs:

Small LED lights, key fobs, and other such devices can take advantage of the affordability of the 371 battery to provide reliably available power over a small package. It is also durable, and so it is appropriate in gadgets that require reliable and long-term usage.

 

What Batteries Are Equivalent to 371?

 

SR920SW Battery

SR920SW is the nearest and most trustworthy substitute for the 371 battery. It has the same silver oxide, 1.55V voltage and is the same size. This renders it the most appropriate alternative to watches and other precision devices that need a constant power supply that is stable.

 

SR69 Battery

Another silver oxide equivalent is SR69. which is the same as the 371 in both performance and size. It provides a steady voltage over its service and thus suits devices that cannot withstand an inconsistent power supply, including medical equipment and wrist watches.

 

370 Battery

When used in cross-reference charts, the 370 battery is usually cross-referenced with 371. as these are almost the same in size and chemistry. It does the same when it comes to stability and durability, thus a powerful choice in most of the devices meant to run on 371 batteries.

 

LR920 Battery

It has an alkaline replacement battery, LR920. which is a replacement for the battery 371. Even though it can work with the same devices, it has less stable power output and a shorter lifespan, as compared to silver oxide ones. It may be applicable in low-drain equipment, whereas it cannot be applied to delicate electronics.

 

AG6 Battery

Another substitute that is used as an alkaline variation of the 371 is AG6. It has lower performance and less operational time in spite of having similar dimensions. It should be applied only when other alternatives, such as silver oxide, such as SR920SW or 370. are not available.

 

 

Compared Between the 371 Battery and the SR920SW Battery

 

The 371 battery and the SR920SW battery are widely considered to be identical, and this situation is only slightly different. Their sizes are similar, they both have a voltage of 1.55V, and use silver oxide as their active material, so the two batteries are functionally identical in most applications. They have stable voltage output, long shelf life, and reliable operation in terms of performance in precision electronics such as watches, calculators, and medical instruments.

 

The primary distinction is in the nomenclature and local labeling. Manufacturers will call the battery 371 in certain markets, and SR920SW in other markets. SR920SW is the official designation of the IEC (International Electrotechnical Commission) as opposed to 371. which is a name that consumers can easily understand. They are functionally identical and will work in any device that takes 371 batteries without any effect on performance.

 

Comparison of the 371 Battery and Other Battery Models

 

The 371 is superior to any other battery in the market that uses button-cell batteries since the chemistry is that of silver oxide, which performs better than the alkaline versions. Other models like LR920 can be of the same size, but they do not often offer the same life and stability of the voltage as the 371 batteries offer. Others, such as SR920SW, are more similar as they also operate on silver oxide, hence are viable replacements. The 371 is, however, better in applications where there are no ups and downs in power output. This ensures that it is more reliable than most of its similar alkaline models, as it can sustain voltage until the close of its life cycle.

 

Why Is the 371 Battery so Popular?

 

The 371 battery has also become the choice in precision instrumentation, with the virtue of being very stable in voltage and predictable in performance. Watch and other devices used in medicine are not able to withstand sudden voltage drops, and the stable discharge characteristics of the 371 battery are particularly useful. Its chemistry enables it to have a constant 1.55V almost all over during its lifespan, which enables it to have consistent readings and operational ease. It is also quite small in size, which enables manufacturers to come up with smooth, lightweight gadgets without compromising on power reliability.

 

How to Replace a 371 Battery – Step by Step

 

• Prepare Your Workspace

Find a clean surface, a table or a flat surface and place the needed tools, which might be a small screwdriver, a pair of tweezers or a coin, to open the battery case. Make sure that you have clean and dry hands in order not to spoil the device or the battery contacts.

 

• Pop the Battery Compartment

Find the battery cover for your device. Other devices have a small screw, and those are connected with the snap-on cover. Be careful to unscrew the compartment/pry it open slowly, avoiding excessive force to break the case.

 

• Remove the Old Battery

Removal of the old 371 battery should be done using tweezers or your fingers. Record the position of the battery, particularly the side that has a positive polarity and the one that has a negative polarity. Do not touch the contacts of the device directly with your fingers.

 

• Inspect the Contacts

Check the metal contacts before changing the new battery; they should not be dirty or corroded. List them on a dry cloth or a cotton swab, or in case of necessity. This will maintain a high connection and avoid poor performance of the device.

 

• Insert the New Battery

The new 371 battery is installed in the compartment with the positive and negative sides facing as per the device. Make sure that it fits tightly, but not so tight that it can bend the contacts or destroy the battery.

 

• Close the Compartment

Register the battery compartment by clicking the cover again or screwing it. Always make sure that the cover is completely screwed down and properly aligned so that the batteries are not moved about or lost.

 

• Test the Device

Turn on your device to ensure that it is in good condition. Should it fail, then recheck the battery location and the cleanliness of the contacts. Most problems occurring at this point are accompanied by inaccurate installation and not a faulty battery.

 

• Proper Disposal of Old Battery

Discard of the old 371 battery should not be discarded. Dispose of it at a local battery recycling center, a collection point with an electronics store or a local hazard waste facility. Adequate disposal avoids environmental pollution and includes recycling of valuable materials in a safe manner.

 

Conclusion

The 371 battery is a very precise silver oxide coin cell that has a steady voltage, extended life, and small size; hence, it can be utilized in precise electronics, including watches and calculators, medical equipment, and small key fobs. Its uniform operation and predictable discharge curve set it apart from many alkaline substitutes, and comparable models such as SR920SW, SR69. and 370 are available to offer convenient alternatives without losing functionality.

 

FAQ

What are the common devices that use a 371 battery?

It is available in the 371 battery in wristwatches, calculators and medical equipment, in hearing aids, key fobs and in small LED electronics because of its small size and constant power output.

Would it be possible to substitute a 371 battery with SR920SW or other batteries?

Yes, SR920SW, SR69. and 370 are good alternatives to silver oxide. The alkaline versions, such as LR920 or AG6. can be used, however, with reduced lifespan and less stable voltage.

What should I do with a 371 battery?

Do not dispose of it in normal garbage. Dispose of old 371 batteries in recycling facilities or electronic stores, or at the hazardous waste facilities to avoid environmental pollution.

 

Some images are sourced online. Please contact us for removal if any copyright concerns arise.