What is The Difference Between 2025 and 2032 Batteries?

What is The Difference Between 2025 and 2032 Batteries?

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With modern technology and the advent of nano-sized storage devices, you can certainly see the same precision and innovation in battery size. We have seen the basic power supply i.e. the battery drain in many small electronic devices in today’s world.

The two coin cell batteries, namely the 2025 and 2032 batteries, are thin flat round batteries that were very common in computers and perhaps some watches. They are also found in some garage door remotes.

You might have a hard time choosing between these two battery options, so worry no more. Here we will review the main Difference Between 2025 and 2032 Batteries post. Just relax and move on.

Product advantage – Difference Between 2025 and 2032 Batteries

  • A complete line for use in a wide variety of applications
  • Very low self-discharge; long service life: up to 10 years.
  • Useful in a wide temperature range (-30 ° C to + 60 ° C)
  • No mercury mixed
  • High leakage protection
  • The very high power-to-weight ratio
  • High voltage (3V)

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2025 vs 2032: Similarities

Both are 3V button batteries, they have the same diameter and chemical composition.

Some of the best manufacturers of these batteries are Maxel Pack, Duracell, Panasonic, Philips, Energizer, etc.

Philips has proven its quality in battery cases on several occasions, this time surprising its consumers with 20 battery packs suitable for cameras and children’s toys.

Duracell in recent years has won a huge number of consumers for its quality and price. Its batteries are the best in the market, if you buy them, we are sure you will not regret it.

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Are CR2032 and 2032 batteries the same?

2032 is an IEC standard battery size code. Generally, there are two types of 2032 batteries available, CR2032 and BR2032 (the use of capital letters, or the lack of them, is not important, a cr2032 is the same as a CR2032 and a br2032 is the same as a BR2032).

Is 2032 the same as 2025?

The obvious difference between the two types of batteries would be the thickness. 2032 is 3.2mm thick, while 2025 is 2.5mm thick. Because 2032 is 0.7mm thicker than 2025, it has a higher current carrying capacity (mAh) to charge.


Both of these batteries are known as button batteries and are used in a variety of low-power devices such as toys, computers, calculators, and watches, to name a few. These button batteries can be used interchangeably in incompatible devices.

How do you know if a 2032 battery is good?

First, you’ll need a multimeter to determine if the 2032’s battery is still good. Turn on the multimeter and set it to “DC Voltage” mode. The red side of the probe should touch the positive (+) side of the battery, while the black probe should touch the opposite end, the negative (-).

As you already know from the article, the CR2032 is a 3-volt battery, so the measured voltage should exceed 10% of the nominal voltage. More specifically, for the CR2032 this means 2.7 volts or more if the battery is good. If it is broken, it will read less than that value.

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2025 vs 2032 interchangeable: is it possible?

So far, we have covered in detail all the different points between the two-currency cells i.e 2025 and 2032 in the previous sections. Now the big question is can we use these two cells i.e 2025 and 2032 interchangeably? The answer is yes.

You can convert between the two currencies at any time and use them instantly. Yes, since both incorporate similar characteristics of dimension, chemical composition, size, and voltage. The only thing that sets these two apart is thickness and capacity.

So you can try a smaller solution with a smaller 2025 battery than simply wrapping the cell in a conductive material like aluminum foil to compensate for the height compared to the 2032 cell. Since they are both the same diameter, the battery compartment can easily accept both varieties.

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BIOS and CMOS also known as real-time clock (RTC) battery

As I wrote, CMOS requires a battery to power the CMOS memory when the computer is turned off. There are many configuration options, but one of the most common is the time and date (also known as a real-time clock). RTC stands for Real-Time Clock, and the computer may show you an error message indicating that the CMOS battery is low, the BIOS battery is low, or the RTC battery is low.

This means that if the computer or laptop is drained of CMOS battery, the user receives an error message. The machine cannot enter the exact time and date, so the error message appears. It’s simple: the machine can’t remember your hardware settings without a button battery, which can cause problems with the everyday use of the computer.

The computer can start without a button battery, just as it does when the battery is drained. However, without a CMOS battery, the user would have to reset the clock each time the computer was turned on. 2032 Small Coin Battery Maintains BIOS settings when the computer is turned off.

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So what is the difference?

Although both button cells provide 3 volts, the difference is in the thickness. 2025 has a diameter of 20mm and a thickness of 2.5mm. Similarly, 2032 is 3.2mm thick and 20mm in diameter. The diameter is the most important thing when installing the battery in the device.


mAh is short for milliamp-hour. When it comes to a battery, the term refers to how long a battery can carry its energy and how long it can power a device in which it needs to be replaced before it can be installed.

Normally, 2025 offers 165 mAh of power while the other offers 225 mAh. Depending on how often the device is used, you may want to choose the appropriate drive.


Some users choose a unit that fits well and performs very well, while others are concerned with the details. Below are some of the popular brands and battery descriptions.


Excel battery

It comes in a pack of 4 and has a capacity of 225 mAh.


With a lifespan of 8 years and a nominal power of 240mAh, this type of battery is RoHS certified and does not contain mercury.


It has a capacity of 240 mAh and lasts longer. Like 2020, it comes in a 5-pack.



This variant comes in a 5-pack and offers 150 mAh of power and a lifespan of up to 2 years.

Sell well

It comes in a pack of 5 and is priced a bit high. However, it is an ideal choice for smart trackers, as it has a capacity of over 170mAh.


With 163mAh, it can maintain its power for 8 years when stored.

This was a fundamental difference between the two batteries. If you’re looking to buy one, be sure to consider these differences. This way, you can make a better decision based on your needs.


Although these batteries are very similar, their thickness was crucial to our decision. Although the thickness will require more space and you will have trouble placing the battery in the unit, it has several advantages. Thanks to this, your battery will have more capacity, power, and greater durability, so it’s clear that our choice is 2032.

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About Author
An engineer and MBA, who is a technology and a gadget freak. I write about smart home solutions and gadgets like all wireless devices, technology brands like Apple. Love to follow the latest trends in the technology space and write about latest developments.