Unlocking Convenience: Comprehensive Guide to Button Battery Sizes

by Jack
Unlocking Convenience: Comprehensive Guide to Button Battery Sizes

 Coin cell batteries, sometimes called button batteries, are tiny, spherical batteries frequently. Coin call batteries are found in various electronic devices, including remote controls, calculators, and watches. They have different sizes, and each has a name for it. Selecting the appropriate battery for your device can be easier if you know the various sizes and their uses. This is a comprehensive guide on button battery sizes: and if you are want to know about the best car battery for the optimal performance let’s have a quick view before we get to the button battery sizes

Here are the common battery sizes

LR44 / AG13 / A76


1.LR44 / AG13 / A76:

  • Diameter: 11.6 mm
  • Height: 5.4 mm
  • Voltage: 1.5 volts

The LR44, AG13, and A76 refer to the same kind of button cell battery. They are frequently found in various small electronic gadgets. These batteries are well-liked because of their small size, dependable operation, and adaptability to various uses.

One of the main characteristics of LR44/AG13/A76 batteries is their small size. They are compact, round, disc-shaped batteries that belong to the button battery family. Devices with limited space, like watches, calculators, key chains, toys, and tiny electrical devices, frequently use these batteries. Their small size allows them to supply devices with power without significantly increasing bulk or weight.

Different labels for the LR44/AG13/A76 batteries are frequently used, depending on the industry norms. The International Electrotechnical Commission (IEC) standard frequently uses the identifier LR44. Although the American National Standards Institute (ANSI) standard more frequently uses AG13. The battery type in question is also known by the model number A76. Despite having distinct labeling, they all have the same specs and may be used interchangeably in most applications.

Batteries such as LR44/AG13/A76 are renowned for their dependable performance as power sources. They can supply a steady voltage despite their small size, making them appropriate for powering various equipment. The normal operating voltage of these batteries is 1.5 volts, which is adequate to power various small electrical devices.

Standard button battery sizes, such as LR44/AG13/A76, guarantee compatibility between various gadgets. Customers no longer have to worry about incompatibilities while searching for replacement batteries for their gadgets due to this standardization. One of the most popular groups of button cell battery sizes is 11.6 mm diameter by 5.4 mm height, which includes the LR44/AG13/A76 batteries.



2. CR2032

  • Diameter: 20 mm
  • Height: 3.2 mm
  • Voltage: 3 volts

Popular button cell batteries of the CR2032 variety are well-known for their small size, strong energy density, and dependability. They function by means of the electrochemical reaction between manganese dioxide and lithium, and they are a member of the lithium button battery family. This reaction frequently involves silver oxide chemistry. These batteries are commonly used in a wide range of electronic devices, including small electronic gadgets, medical equipment, wristwatches, and calculators.

Uniform Dimension

It stand out as the best in the button battery sizes .The CR2032 button battery is distinguished by its uniform dimensions, which adhere to the extensively recognized International Electrotechnical Commission (IEC) button battery specifications. A cylindrical cell is indicated by the “CR” designation, its diameter in millimeters (20mm) by the “20” designation, and its thickness (3.2mm) by the “32” designation. This uniform sizing guarantees interoperability with a wide variety of gadgets made to accept button cells.

Silver oxide chemistry improves the performance and longevity of CR2032 batteries. Silver oxide batteries are perfect for devices that need steady power delivery since they provide a consistent voltage output throughout their life. They also have a comparatively high energy density, which allows them to fit a lot of power into a little form factor.

CR2032 batteries are the perfect choice for applications where space is at a premium due to their compact dimensions. Their round, flat design makes integrating them smoothly into electronic circuitry possible without significantly increasing their weight or thickness. This is a handy feature for portable devices when weight and compactness play essential factors.

Shelf Life

Apart from their small size and dependable operation, CR2032 batteries are renowned for having a longer shelf life. When stored properly, they can hold their charge for several years, so they’re always ready to go. Because of their lengthy lifespan, they are an excellent option for backup power in gadgets that are used seldom or infrequently.

CR2032 batteries are modest in size but have a lot of power, providing steady voltage output and dependable performance for a long time. Because of their small size, high energy density, and silver oxide chemistry, lithium button cells are still an essential component in the field of portable electronics, whether they are used as backup power sources or to power common devices.




  • Diameter: 20 mm
  • Height: 2.5 mm
  • Voltage: 3 volts

In the world of electronics, the CR2025 is a small but powerful part frequently regarded as the unsung hero of countless gadgets that depend on a consistent and dependable power supply. It is the pinnacle of simplicity and efficiency in a button cell battery, supplying vital energy to various devices and instruments.

The CR2025’s button battery sizes is one of its distinguishing characteristics. Despite its modest size.just 20 mm in diameter and 2.5 mm in thickness. This little powerhouse is mighty powerful. Due to its small size, it is ideal for various items when space is limited, such as medical equipment, remote controls, key fobs, and calculators.


However, CR2025’s real value is found in its capacity to supply dependable power, not just its size continuously. Users can rely on CR2025 to maintain their gadgets operating at peak performance for extended periods, whether powering a digital thermometer or a tiny handheld gaming device. This dependability is essential, particularly in applications where an unexpected power outage could have serious repercussions.

In addition, the CR2025 has a long shelf life. Making it a great option for gadgets that might be left unused for extended periods. This feature saves you the frustration of dealing with a dead power supply by guaranteeing that the battery will be ready and waiting when it’s time to leap into action.

The significance of dependable power cannot be emphasized in the fast-paced world we live in today. Where technology influences every part of our existence. The CR2025 provides a stable energy solution in a small and handy size, fulfilling this necessity. Because of its adaptability and durable performance, button cell batteries are a mainstay in the industry, powering gadgets of all sizes with dependable efficiency. The CR2025 remains a dependable option in the rapidly changing world of contemporary technology, whether powering a complex electronic device or illuminating a watch face.




  • Diameter: 20 mm
  • Height: 1.6 mm
  • Voltage: 3 volts

The coin cell battery CR2016 is a compact, flat, round battery that is frequently used in various electronic devices. Including small gadgets, watches, calculators, and remote controls. It belongs to the group of button batteries, distinguished by their small size and form.

Sizes By Names

Button battery sizes. Such as the CR2016, are indicated by their names, which follow a standard system. The letters “CR” in this instance stand for lithium manganese dioxide chemistry. “20” for the battery’s diameter in millimeters, and “16” for its thickness. This results in a battery that is roughly 20 mm in diameter and 1.6 mm thick—the CR2016.

Button batteries, such as the CR2016. They are distinguished by their small size, which makes it simple to include them in gadgets with limited room. Despite being tiny, these batteries can serve as a dependable power source for a wide range of uses. Such as sustaining the time on wristwatches and small electronic circuits.

The CR2016 battery belongs to a family of button battery sizes, including the CR2032, CR2025, and CR2450 variants, each with different dimensions and capacities. These batteries are often utilized in gadgets that don’t need frequent battery replacement and have modest power consumption requirements.

But button batteries, including CR2016l, must be handled carefully because of their small size and the possible harm they could cause if ingested, particularly by little children. Due to their small size and shape. Button batteries can be mistakenly swallowed, which poses a major risk to one’s health and may even result in death if treatment is delayed.

They are an essential power source for many electronic devices because of their small size, extended shelf life, and dependable operation, even with these concerns. Button batteries like the CR2016 are designed to be vital to contemporary electronics since manufacturers always innovate battery technology to enhance energy density, longevity, and safety features.

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1 comment

John K. Yang May 4, 2024 - 1:55 pm

Your article helped me a lot, is there any more related content? Thanks!


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