- Home
- Blogs
- Basic knowledge
- The Ultimate Guide to CR2016 vs CR2032 Batteries
The Ultimate Guide to CR2016 vs CR2032 Batteries

When it comes to powering small electronic devices, choosing the right battery is crucial. Two popular options are CR2016 and CR2032 batteries. Both are 3V lithium cells commonly used in a variety of gadgets, but they differ significantly in terms of capacity and size.
CR2016 vs CR2032 Batteries

CR2016: Smaller and thinner, with a diameter of 20mm and a thickness of 1.6mm.
CR2032: Larger and thicker, measuring 20mm in diameter and 3.2mm in thickness.
These differences may seem minor but play a significant role in their performance and compatibility with devices. The CR2032 has nearly double the capacity of the CR2016, making it ideal for high-drain devices that require longer-lasting power.
Choosing the right battery for your devices is important because:
It ensures optimal performance and longevity.
It prevents poor device performance or damage caused by using an incompatible battery.
Understanding the specific needs of your device and how each battery type meets those requirements is essential.
In this guide, we will explore the specifications, features, and applications of both CR2016 and CR2032 batteries to help you make an informed decision.
Understanding CR2016 Batteries
Take Panasonic CR2016 as an example

The CR2016 battery is a 3V lithium coin cell widely recognized for its compact size and reliable performance. Key specifications include:
Diameter: 20mm
Thickness: 1.6mm
Capacity: Approximately 90mAh
Specifications and Features
CR2016 batteries are designed to provide a stable voltage output, making them ideal for low-drain devices. Their chemical composition (Lithium Manganese Dioxide) ensures a longer shelf life compared to other battery types.
Capacity and Performance
The capacity of the CR2016 battery, around 90mAh, determines how long it can power a device before needing replacement. While this may seem modest, it is suitable for gadgets that require minimal continuous energy consumption like calculators and key fobs. The steady voltage provided by these batteries allows for consistent device operation over their lifespan.
Size and Device Compatibility
The dimensions of the CR2016 battery make it compatible with small electronic devices where space is limited. The 1.6mm thickness is particularly crucial; many devices have battery compartments specifically designed to fit this size. Using a battery with different dimensions could result in poor contact or even damage to the device.
Understanding these aspects helps in selecting the right battery for your needs and ensures that your devices operate efficiently without interruption.
Understanding CR2032 Batteries
Take Panasonic CR2032 as an example

CR2032 batteries are widely known for their high capacity and durability. These 3V lithium batteries are specifically designed to offer extended power for various electronic devices.
Specifications and Characteristics
Voltage: 3V
Diameter: 20mm
Thickness: 3.2mm
Chemistry: Lithium Manganese Dioxide (LiMnO2)
Operating Temperature Range: -30°C to 60°C
The larger diameter and thickness contribute to the higher energy capacity, making them a reliable choice for devices requiring consistent power over longer periods.
Capacity Rating of CR2032 Batteries
The typical capacity of a CR2032 battery ranges between 220mAh to 240mAh. This high capacity allows it to support more power-hungry devices effectively. Devices such as medical equipment, remote controls, and some types of wearable technology benefit immensely from the extended lifespan provided by CR2032 batteries.
Importance of Size in CR2032 Batteries
The size of the CR2032 battery is crucial for device compatibility. With a diameter of 20mm and a thickness of 3.2mm, these batteries are often used in gadgets that have enough room to accommodate their dimensions. Their larger size compared to other coin cell batteries means they can store more energy, but it's essential to ensure your device can fit a CR2032 battery before opting for it.
Understanding these aspects ensures that you choose the right battery for your needs, maximizing your device's performance and lifespan.
CR2016 vs CR2032: Key Differences
| CR2032 | CR2016 | ||
| Size | Diameter | 20mm | 20mm |
| Thickness | 3.2mm | 1.6mm | |
| Voltage | 3V | 3V | |
| Apacity | 220mAH | 90mAH | |
| Operation temperature | -20°C ~ 70°C | -20°C ~ 70°C | |
| Weight | 3.1g | 1.8g | |
| Material | Lithium battery | Lithium battery | |
| Life | 5 - 8 Years | 5 - 8 Years | |
| Price | on the high side | on the low side | |
When comparing the CR2016 and CR2032 batteries, several key differences stand out. These include their physical dimensions and capacity ratings, which directly impact device compatibility and performance.
Capacity Comparison: How Much Power Do They Hold?
CR2016 Battery: Typically has a capacity of around 90mAh. This lower capacity means it stores less energy, resulting in a shorter lifespan under high-drain conditions.
CR2032 Battery: Offers a significantly higher capacity, generally around 220mAh. The increased capacity allows it to power devices for longer periods, making it ideal for more energy-intensive applications.
Size Showdown: Are They Interchangeable in Devices?
CR2016 Dimensions: Measures 20mm in diameter and 1.6mm in thickness. These dimensions make it suitable for slim devices where space is at a premium.
CR2032 Dimensions: Measures the same 20mm in diameter but has a thickness of 3.2mm. This added thickness allows for its higher capacity but may limit its use in devices designed for thinner batteries.
While both batteries share the same diameter, their differing thicknesses mean they are not always interchangeable. Devices specifically designed for the slimmer CR2016 may not accommodate the thicker CR2032 without modifications or adapters.
By understanding these distinctions, you can make informed choices about which battery best suits your needs.
Choosing the Right Battery for Your Devices

Choosing the right battery for your devices involves understanding several key factors. Both CR2016 and CR2032 batteries have their unique strengths, making them suitable for different applications.
Factors to Consider:
Capacity Needs: CR2032 batteries offer nearly double the capacity of CR2016 batteries. For high-drain devices like medical equipment or remote controls, a CR2032 may be more appropriate.
Size Constraints: The physical size of the battery is crucial. The CR2032 is thicker and larger, which means it won't fit in all devices designed for a CR2016. Always measure your device's battery compartment before making a purchase.
Device Specifications: Manufacturers often specify which battery type to use. Ignoring these recommendations could lead to suboptimal performance or even damage to your device.
The Importance of Device Compatibility:
Device compatibility cannot be overstated. Using a battery that doesn't fit properly can cause:
Poor Contact: If the battery does not sit correctly, it may lead to intermittent power supply issues.
Short Circuiting: A mismatched battery can cause electrical problems, potentially damaging both the battery and the device.
Reduced Lifespan: A device designed for a CR2016 might not handle the increased capacity and size of a CR2032 efficiently, leading to faster wear and tear.
By focusing on these aspects, you can ensure that you're choosing the right battery for your specific needs, maximizing both performance and lifespan.
Common Applications of CR2016 and CR2032 Batteries
CR2016 Batteries:
Watches: Ideal for slim wristwatches due to their thin profile.
Calculators: Often used in compact calculators where space is a premium.
Key Fobs: Frequently found in car key fobs, providing reliable power in a small package.
Remote Controls: Utilized in small remote controls for various devices like garage doors and ceiling fans.
CR2032 Batteries:
Motherboards: Commonly used on computer motherboards to maintain BIOS settings when the system is powered off.
Medical Devices: Found in medical equipment like glucose monitors and digital thermometers due to their higher capacity.
Fitness Devices: Used in fitness trackers and heart rate monitors to ensure longer battery life.
Toys: Suitable for electronic toys that require a reliable and long-lasting power source.
These are just some common uses for CR2016 and CR2032 batteries. Both types have their specific applications that leverage their size and capacity advantages, making them essential components in a wide range of electronic devices.
Pros and Cons of Different Battery Sizes
Benefits and Drawbacks of Using Smaller-Sized Batteries like CR2016
Compact Size: CR2016 batteries are thinner and lighter, making them ideal for slim and lightweight devices. They fit well in tight spaces where larger batteries might not be suitable.
Lower Capacity: The capacity of CR2016 batteries is generally around 90mAh, which means they hold less charge compared to larger batteries. This can result in shorter battery life for power-hungry devices.
Cost-Effective: Smaller size often translates to lower cost, making CR2016 a budget-friendly option for devices that don’t require high power.
Example: Ideal for devices like wristwatches and small calculators where space is limited, and power consumption is minimal.
Advantages and Disadvantages of Larger-Sized Batteries such as CR2032
Higher Capacity: CR2032 batteries typically offer a capacity of around 220mAh. This higher capacity provides longer-lasting power, especially useful for devices with higher energy needs.
Larger Size: With a thickness of 3.2mm, these batteries may not fit in all devices designed for smaller-sized batteries. It’s important to check device specifications before choosing a CR2032 battery.
Enhanced Performance: The larger size allows these batteries to deliver more consistent performance over time, reducing the frequency of battery replacements.
Example: Suitable for applications like key fobs, remote controls, and medical devices that require reliable, long-term power sources.
Using the right battery size significantly impacts both the performance and lifespan of your electronic devices.
Conclusion
Choosing between CR2016 vs CR2032 batteries depends on your device's requirements and compatibility. Both batteries serve critical roles in powering small electronic devices, but their differing capacities and sizes influence their suitability.
CR2016: Ideal for devices needing a slimmer battery with moderate power.
CR2032: Suitable for gadgets that can accommodate larger batteries and require longer-lasting power.
Understanding these differences ensures you select the right battery, optimizing performance and longevity for your electronics.
Related articles
DL2032 vs CR2032: Is DL2032 Same As CR2032
CR1616 Battery Equivalent: Best Replacement Guide
18650 Rechargeable Battery And Charger
LR44 vs 357: Are LR44 Batteries The Same As 357
LR44 Battery Equivalent: Learn About the Best Alternatives
CR1220 Battery Equivalent: Find the Perfect Match for Your Device
CR123 vs CR123A: Which Battery Is the Ultimate Power Source
CR1632 vs CR2032: Are CR1632 and CR2032 battery equivalent
What are the advantages and voltage parameters of CR2016 battery
FAQs
Articles you may also like
CR2025 Battery: Equivalent, Specifications and Replacements
Understanding Toggle Switches: A Comprehensive Guide
CR1632 vs CR2032: Are CR1632 and CR2032 battery equivalent?
CR1616 Battery Equivalent: Best Replacement Guide
-
renesas-electronics-america
16-bit MCU, 128 KB flash, 25 MHz, rich timers & 26-ch ADC.
