Can I Replace A CR2016 Battery With A CR2032?

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Yes, technically, they are interchangeable. However, it’s crucial to consider their differences. The CR2016 battery measures 1.6mm in thickness, while the CR2032 is thicker at 3.2mm. Consequently, the larger CR2032 may not adequately fit in a device specifically designed for the thinner CR2016. Therefore, always ensure compatibility before replacing one battery type with another to avoid potential device damage.

I’m delighted you dropped by to explore a question that comes up quite often in our battery world: “Can I Replace A CR2016 Battery With A CR2032?” Now, I’ve been in this game for a good long while, and I can’t even begin to count the number of times I’ve heard this query.

Let me tell you, it’s a bit more nuanced than a simple yes or no. You see, both of these batteries have their own unique characteristics, capacities, and sizes that make them suitable for different devices. Trust me, after spending a few decades elbow-deep in batteries, I’ve got a couple of stories about mismatched batteries causing a ruckus!

So, strap in and get ready for an electrifying journey as we delve into the nitty-gritty of these commonly used coin cell batteries. Don’t worry, I promise to make it as fun as discussing batteries can possibly be!

What are CR2016 and CR2032 Batteries?

In the world of coin cells, there are two superstars that you’re likely to come across more often than not – the trusty CR2016 and the robust CR2032. Now, if you’re like most folks, these cryptic codes might not mean much to you. But don’t worry, I’m here to shed some light.

Definition and Basic Specifications of CR2016 and CR2032 Batteries


Let’s start with our first contender, CR2016. This little guy is a lithium battery with a diameter of 20mm and a thickness of 1.6mm. It’s lightweight, packing in a nominal voltage of 3V and a capacity of about 90mAh.


Now, onto the heavyweight, the CR2032. This is another lithium beauty, a tad thicker at 3.2mm, but with the same diameter – 20mm. It also sports a voltage of 3V but boasts a significantly higher capacity, around 240mAh.

Here’s a handy comparison table to help visualize:

Diameter (mm)2020
Thickness (mm)1.63.2
Voltage (V)33
Capacity (mAh)90240

Common Uses for These Batteries

CR2016 and CR2032 batteries are the lifeblood of many small electronic devices. The thinner CR2016 is often found in calculators, wristwatches, and tiny remote controls. On the other hand, the beefier CR2032, with its higher capacity, is a favorite in more power-hungry devices like heart rate monitors, digital scales, and even some computer motherboards to keep the clock running when the machine is off.

In the next section, we’ll dive deeper into why these batteries can’t always be swapped out for each other, even though they might look strikingly similar at first glance. Buckle up, it’s going to be an electrifying ride!

Can I Replace A CR2016 Battery With A CR2032?

This is a question I hear quite often, and I totally get why. They look similar, they have the same voltage, so why not, right? Well, as much as I love a good hack, there’s more to this story.

Detailed Explanation of the Interchangeability Between CR2016 and CR2032

The CR2016 and CR2032 batteries share the same diameter of 20mm, but their thickness and capacity vary. The CR2032 is thicker and has a higher capacity than the CR2016. So, while they might fit into the same battery slot, they’re not always interchangeable.

Here’s why: devices are designed with specific battery capacities in mind. The device expects a certain discharge curve, which can significantly affect its performance. So, using a higher-capacity battery like the CR2032 in a device designed for a CR2016 might lead to unpredictable results.

Consequences of Replacing One with the Other

Now, let’s say you decide to play battery roulette and swap a CR2016 with a CR2032. What’s the worst that could happen, you ask? Well, you could end up damaging your device, and nobody wants that!

Because the CR2032 is thicker, it might not fit properly in a device designed for the thinner CR2016. This can lead to pressure on the device components, potentially causing damage. Additionally, the higher capacity of the CR2032 could lead to longer discharge times, which might confuse devices that gauge battery life based on discharge rates.

In a nutshell, while it might be tempting to switch out a CR2016 with a CR2032, it’s best to stick with the battery type recommended by your device’s manufacturer. After all, they designed the gizmo, so they probably know a thing or two about what makes it tick!

In the next section, we’ll take a look at some of the best brands for CR2016 and CR2032 batteries. Stay tuned, you don’t want to miss this electrifying showdown!

What is the Difference Between CR2016 and CR2032 Batteries?

It’s like comparing apples and oranges – okay, not exactly, but there are some key differences between CR2016 and CR2032 batteries. They might look like twins at first glance, but dig a little deeper, and you’ll find they have unique characteristics that set them apart.

Comparison of the Size, Capacity, and Performance of CR2016 and CR2032 Batteries

At first glance, you’d be forgiven for mixing up these two coin cell batteries. They both have the same 20mm diameter, but their thickness and capacity are where the key differences lie.

Battery TypeThickness (mm)Capacity (mAh)

As you can see, the CR2032 is twice as thick as the CR2016 and has more than double the capacity. This means that the CR2032 can last significantly longer than the CR2016, depending on the device it’s used in. But remember, more power isn’t always better – some devices are specifically designed for lower-capacity batteries like the CR2016.

Visuals Showing the Differences

Just in case you’re more of a visual learner, here’s a side-by-side comparison of these two batteries:

CR2016 VS CR2032
SpecificationCR2016 BatteryCR2032 Battery
TypeLithium ionLithium ion
SizeDiameter: 20mm, Thickness: 1.6mmDiameter: 20mm, Thickness: 3.2mm
Shelf LifeAbout 10 yearsAbout 10 years
Operating Temperature Range-30 degrees Celsius to 60 degrees Celsius-30 degrees Celsius to 60 degrees Celsius
Common UsesWatches, calculators, smaller devicesCar remotes, cameras, devices requiring more power

In the next section, we’ll dive into how to properly store these batteries to extend their shelf life. Because, let’s be honest, there’s nothing worse than reaching for a battery only to find it’s deader than a doornail. Stay tuned for more exciting battery banter!

Can I Use A CR2032 Instead of CR2016 in Key Fobs?

Ah, the eternal question – or at least it feels that way when you’re standing in the battery aisle, key fob in hand, wondering if that CR2032 battery will do the trick instead of the CR2016. Let’s break it down.

Examination of the Specific Application of Key Fobs

Key fobs, those handy little devices that let us unlock our cars from a distance, typically use coin cell batteries, and the CR2016 and CR2032 are common choices. These little powerhouses are chosen for their reliability and compact size – but not all are created equal.

Potential Issues and Solutions When Replacing Batteries in Key Fobs

Here’s the deal: While the CR2032 is thicker and has more capacity than the CR2016, they both have the same voltage (3V). This means that in theory, yes, you could use a CR2032 instead of a CR2016 in your key fob.

However, the catch is the thickness. Some key fobs may not have enough space to accommodate the extra 1.6mm of the CR2032 battery. If you try to force it, you might end up damaging your key fob, and trust me, that’s a headache you don’t need.

So, my advice? Stick with what the manufacturer recommends. If your key fob uses a CR2016 battery, then use that. If you’re in a pinch and only have a CR2032 on hand, make sure to check the battery compartment’s size first before attempting to swap them out.

In the next section, we’ll look at how to properly dispose of these batteries because while they might be small, they can still pack a punch on the environment. Stay tuned, and remember, the only silly question is the one that isn’t asked!

What Battery Can Replace CR2016 or CR2032?

As we dive further into the world of batteries, we may find ourselves in a situation where we don’t have a CR2016 or CR2032 battery on hand. Fear not! There are alternatives that can save the day. But remember, choosing an alternative battery is like choosing a substitute teacher – they can fill in, but it’s important they can do the job correctly!

Other Battery Alternatives for CR2016 and CR2032

For the CR2016, viable alternatives include:

  • ECR2016
  • DL2016
  • BR2016
  • FA

For the CR2032, some alternatives are:

  • ECR2032
  • DL2032
  • BR2032

These alternatives share similar specifications with their counterparts, meaning they can be used interchangeably in most devices. However, it’s always best to stick with the manufacturer’s recommendation when possible.

Considerations When Choosing Alternative Batteries

When selecting an alternative battery, here are some considerations:

  1. Voltage: Ensure the substitute battery shares the same voltage as the original. Both the CR2016 and CR2032 are 3V batteries, so their replacements should also be 3V.
  2. Size: The physical dimensions of the battery are critical. If it doesn’t fit, it’s not going to work. Remember, the number in the battery name often indicates size. CR2016 has a diameter of 20mm and thickness of 1.6mm. CR2032, on the other hand, has the same diameter but is 3.2mm thick.
  3. Capacity: The capacity, measured in milliamp hours (mAh), indicates how much energy the battery can store. A higher capacity means the battery will last longer before needing replacement. So, if you’re replacing a CR2032 (which has a higher capacity) with a CR2016, expect a shorter lifespan.

Remember, there’s no perfect replacement for every situation, and what works in one device might not work in another. But with a little knowledge and a sense of adventure, you can navigate the world of batteries like a pro. Join me in the next section where we’ll dive into the proper disposal of these little power gems!


Whew, it’s been quite a ride, hasn’t it? We’ve journeyed deep into the realm of coin cell batteries, dissecting the intricacies of CR2016 and CR2032. These batteries may look like simple, shiny discs, but there’s more to them than meets the eye.

Remember, while they might share the same voltage, their size, capacity, and compatibility with devices can vary significantly. Even though the temptation to swap one for the other might be strong, especially if you’re in a pinch, it’s crucial to avoid any potential damage to your device.

There’s a battery for every purpose, and finding the right one will ensure that your devices keep humming along happily. And if you’re still left with questions, don’t hesitate to dive back into this guide or reach out for advice. After all, there’s always more to learn in the electrifying world of batteries!

Still Curious?

There’s no end to knowledge, especially when it comes to the fascinating universe of batteries. If you found this discussion on the CR2016 and CR2032 intriguing, there’s plenty more to explore!

Perhaps you’re wondering about more than just coin cell batteries. Like, can you use a car battery for alternative energy sources? Well, you’re in luck. Our comprehensive guide on using car batteries for solar panels is your one-stop solution.

Or maybe you’re pondering over the potential of AGM batteries for your vehicle. If that’s the case, you’ll find our article on using AGM batteries in cars incredibly enlightening.

Transportation enthusiasts might find themselves at crossroads, wondering about the compatibility of car batteries with mobility scooters. Fear not, our detailed write-up on using a car battery on a mobility scooter is the perfect read for you!

Finally, if you’ve ever scratched your head overcharging a 3.7V battery with a 5V charger, or pondered over the rules of carrying lithium batteries on an airplane, our expert articles on using a 5V charger with a 3.7V battery and taking lithium batteries on an airplane are just what you need.

So, keep reading, keep learning, and remember, the world of batteries is as vast as it is fascinating!


Q1: Is CR2016 compatible with CR2032?

A: While both CR2016 and CR2032 are lithium batteries with the same voltage (3V), they differ in size and capacity. The CR2032 is thicker and has a larger capacity than the CR2016. Some devices might accommodate both, but it’s recommended to use the battery type specified by the device manufacturer.

Q2: Can I use CR2032 instead of 2 CR2016?

A: It’s not advisable. Two CR2016 batteries stacked together will double the voltage to 6V, which can damage devices designed for 3V.

Q3: What battery can replace CR2016?

A: Some alternatives to CR2016 include ECR2016, DL2016, and BR2016. Always ensure the alternative has the same voltage (3V) and similar physical dimensions.

Q4: Can CR2025 replace CR2016?

A: It may be possible as both are 3V lithium batteries. However, the CR2025 is thicker (2.5mm) than the CR2016 (1.6mm), which could pose a fitting issue in certain devices.

Q5: Can one CR2032 replace two CR2016 batteries?

A: No. While a single CR2032 has the same voltage as a CR2016, using one CR2032 in place of two CR2016 batteries would double the voltage, potentially damaging the device.

Q6: Can You Use CR2016 instead of CR2032?

A: It depends on the device. Both batteries provide the same voltage, but the CR2032 is thicker and has a higher capacity. If the device can accommodate the thinner CR2016, it could work, but with a shorter lifespan.

Q7: What’s the difference between CR2032 and CR2016 batteries?

A: Both are 3V lithium batteries, but they differ in thickness and capacity. CR2032 is 3.2mm thick with a higher capacity, while CR2016 is 1.6mm thick with a lower capacity.

Q8: Can I use 1 CR2032 battery instead of 2 CR2016 batteries?

A: No, because this would double the voltage from 3V to 6V, which could harm your device.

Q9: What battery can replace a 2032?

A: Some possible replacements for a CR2032 are ECR2032, DL2032, and BR2032. Always check voltage (3V) and dimensions before substituting batteries.

Q10: Can I use a CR2032 instead of a CR2025?

A: They are both 3V lithium batteries, but the CR2032 is thicker. If the device can fit the thicker CR2032, it could work, but it’s best to follow the manufacturer’s recommendation.

Q11: Can I replace a CR2016 battery with a CR2025?

A: Possibly, as both batteries are 3V. However, the CR2025 is thicker, which may pose fitting issues. Always refer to the device’s user manual before replacing batteries.

Q12: How long does a CR2016 battery last?

A: The lifespan of a CR2016 battery depends on its use. Under normal conditions, it can last 2-4 years. However, high-drain devices can deplete the battery faster. Always turn off devices when not in use to extend battery life.