on October 29th 10,375

CR1632 vs CR2032 Battery Comparison Guide

When it comes to small, reliable power sources for everyday devices, the CR1632 and CR2032 lithium coin batteries are popular choices. This guide covers their features, typical applications, and important safety tips, helping you understand which battery is right for your needs.

Catalog

CR1632 Battery

The CR1632 is a 3-volt lithium coin battery known for delivering reliable power for small devices. Compact and efficient, this battery is commonly used in items like keyless entry remotes, small electronics, and computer motherboards. It offers a long-lasting charge, allowing your devices to run smoothly without frequent battery changes. This small yet powerful battery pack often comes in pairs, ensuring you have an extra on hand when one needs replacing. With a steady voltage and solid performance, the CR1632 fits a range of everyday applications, making it a practical choice for maintaining device functionality.

CR2032 Battery

The CR2032 is a widely used lithium coin battery that provides dependable power for various small devices. Like the CR1632, this 3-volt battery is designed for efficiency but delivers a bit more capacity, allowing it to last even longer. It's well-suited for devices like heart rate monitors, key fobs, watches, toys, and other specialized electronics. The CR2032 battery can endure extreme temperatures from -22°F to 140°F, making it versatile for many environments. Additionally, it has a shelf life of up to ten years, meaning you can store it without worrying about losing power. With safety-focused, child-resistant packaging and mercury-free construction, the CR2032 combines durability with user safety, making it a trusted option for essential devices.

CR1632 vs CR2032 Battery Features

CR1632 Battery Key Features

• High Voltage (3V)

The CR1632 delivers a steady 3 volts, providing a reliable power source for various small electronic devices. This stable voltage ensures your devices work as intended without frequent power fluctuations.

• No Mercury Added

The CR1632 is designed without mercury, making it a safer and more environmentally friendly choice. This feature reduces the environmental impact and keeps your battery handling worry-free.

• Low Self-Discharge Rate

With a very low self-discharge rate, the CR1632 can last up to 10 years on the shelf, allowing you to store it for long periods without losing much charge. This ensures that when you need the battery, it’s ready to deliver reliable power.

• Wide Temperature Range

This battery operates effectively in a temperature range of -30°C to +60°C, meaning it performs well even in extreme conditions. Whether your device is exposed to cold or heat, the CR1632 maintains dependable operation.

• High Leak Protection

The CR1632 is built to resist leaks, protecting both the battery and the device it powers. This makes it a secure option for sensitive electronics, giving you peace of mind.

• Compact and Efficient Design

The small size of the CR1632 provides a high weight-to-power ratio, allowing it to deliver consistent energy without taking up much space. This feature makes it ideal for compact devices requiring reliable power.

CR2032 Battery Key Features

• High Voltage (3V)

Similar to the CR1632, the CR2032 provides a stable 3 volts, offering dependable power for a wide range of applications. This steady voltage helps maintain your device’s functionality without frequent battery changes.

• Long Shelf Life

The CR2032 has a low self-discharge rate, allowing it to last up to 10 years when stored. This means you can keep spares without worrying about power loss, making it convenient for occasional use devices.

• Mercury-Free Composition

Like the CR1632, the CR2032 is mercury-free, supporting environmentally friendly practices. This feature makes handling safer and reduces the battery’s overall impact on the environment.

• Leak-Resistant Design

With high leak protection, the CR2032 ensures secure operation within your devices. This protective design is especially useful in valuable electronics, keeping both the battery and device safe from potential damage.

• Broad Temperature Range

The CR2032 performs well across a wide temperature range, from -30°C to +60°C, allowing you to use it in various settings. This flexibility makes it versatile for devices that experience different environmental conditions.

• Compact and Powerful

The CR2032 has a high weight-to-power ratio, making it compact yet powerful. This feature allows it to fit small devices easily, providing the energy needed without occupying much space.

Specification Comparison Between CR1632 and CR2032

Parameter	CR1632	CR2032
Nominal Capacity	140 mAh	225 mAh
Nominal Voltage	3V	3V
Weight	1.8g	2.9g
Operating Temperature	-30°C to +60°C	-30°C to +60°C
Published	2005	2006
Diameter	16mm	20mm

CR1632 CAD Model

CR1632 Symbol

CR1632 Footprint

CR1632 2D Model

CR2032 CAD Model

CR2032 Symbol

CR2032 Footprint

CR2032 2D Model

Typical Applications of CR1632 Battery

Automotive Applications: Smart Key/Keyless Entry

The CR1632 battery is widely used in car key remotes and keyless entry systems, providing a compact and dependable power source for these devices. Its small size fits easily into slim key designs, while the consistent power ensures your remote operates smoothly whenever you need it.

IoT Devices: Tracking

In the world of IoT, the CR1632 battery is ideal for small tracking devices, offering reliable power to help keep track of important items. These batteries allow for long-lasting use, ensuring your trackers stay active over time without frequent replacements.

Sensor Applications: Security

For security sensors, the CR1632 battery provides the steady power needed for consistent operation. Whether used in home security systems or other monitoring devices, this battery ensures sensors stay responsive, providing you with peace of mind.

Medical Uses: Thermometers

The CR1632 is commonly used in digital thermometers, where its stable voltage helps ensure accurate readings. Its long-lasting power allows thermometers to be ready when you need them, with minimal interruptions for battery changes.

Other Devices: Home Appliances and POS Systems

Beyond the common uses, CR1632 batteries are found in a variety of small home appliances and electronic price tags, as well as point-of-sale (POS) systems. Its compact design fits well in these devices, powering functions that require precision and consistency.

Common Uses of CR2032 Battery

Memory Backup Solutions

The CR2032 battery is often used as a backup power source for memory in electronics. Its reliable, long-lasting charge keeps stored data safe, even when the primary power source is disconnected, ensuring your settings and preferences remain intact.

PLCs (Programmable Logic Controllers)

In industrial settings, CR2032 batteries power PLCs, maintaining system configurations and clock functions. This battery allows PLCs to operate seamlessly, even during power interruptions, providing stable and continuous operation.

Primary Power

For certain compact devices, the CR2032 acts as the main power source, delivering steady energy in a small size. This battery suits items like small electronics that rely on a compact yet durable energy solution for reliable performance.

UPS Backup Power

In uninterruptible power supplies (UPS) and similar backup devices, the CR2032 battery plays a role in preserving critical settings. It keeps these systems ready to provide backup power when needed, ensuring data protection and seamless transitions during power outages.

Aerospace Applications

The CR2032 is also utilized in aerospace technology for its reliability in high-stakes environments. Its ability to withstand temperature fluctuations makes it suitable for use in critical components of aircraft and space equipment.

Military Equipment

The CR2032 battery is used in various military devices, where stable and long-lasting power is crucial for operation. It serves well in equipment requiring a reliable power source that won’t fail in challenging conditions.

Transportation Equipment

In the transportation sector, CR2032 batteries provide reliable power for onboard electronics and controls in vehicles, keeping systems like fare meters or GPS trackers functioning efficiently.

Voting Machines

The CR2032 is a common power source for voting machines, offering dependable energy to keep these systems ready for use. Its long shelf life ensures that machines stay operational throughout election periods without frequent replacements.

Laser Pointers

Laser pointers use the CR2032 battery for its compact size and steady voltage, providing consistent brightness and performance. This battery is easy to replace, making it convenient for frequent users.

Medical Applications in Hospitals

Many medical devices rely on CR2032 batteries for power, including equipment that requires compact, stable energy. These batteries support devices that monitor health conditions, keeping them operational for accurate readings.

Photography Equipment

Photography equipment, such as digital cameras and remote triggers, often use CR2032 batteries. Their small size and dependable power allow photographers to capture shots without worrying about frequent battery changes.

Flashlights

The CR2032 battery is used in small flashlights, providing bright and reliable light in a compact design. It’s ideal for keychain flashlights and other small lighting devices that require long-lasting illumination.

Cordless Phones

Cordless phones benefit from CR2032 batteries for backup power, ensuring they retain essential settings and allow you to make calls even when the main power is out.

Remote Controls

Many remote controls use the CR2032 battery for its compact size and durability, allowing users to control devices with ease. Its longevity makes it a practical choice for remotes, reducing the need for frequent replacements.

General Use Electronics

The CR2032 is versatile enough to power various general-use electronics, from toys to calculators. Its steady power and long shelf life make it a convenient and flexible option for many everyday devices.

Battery Equivalents for CR1632 and CR2032

CR1632 Equivalent Batteries

• DL1632

• ECR1632

CR2032 Equivalent Batteries

• DL2032

• BR2032

Important Warnings for CR1632 and CR2032 Battery Use

Warning: Keep Out of Reach of Children

These batteries must be kept out of reach of children due to their small size and potential risk if swallowed. Ingesting these batteries can cause serious injury or even be life-threatening in a short period, potentially within two hours. If a child swallows a battery, seek medical help immediately and have the doctor call (800) 498-8666 for further guidance.

Warning: Battery Compartment Design

To help prevent children from accessing these batteries, battery compartments should be designed with safety in mind. Ideally, the compartment should either require a tool, such as a screwdriver or coin, to open or involve at least two simultaneous actions to release the securing mechanism. Any screws used to close the compartment should stay securely attached to avoid accidental detachment, providing an extra layer of safety in your devices.

CR1632 and CR2032 Battery Manufacturer Information

Panasonic Industrial Devices Sales Company of America, part of Panasonic Corporation of North America, manufactures these batteries and other key electronic components. Known for quality, Panasonic Industrial Devices provides parts that power consumer electronics, home appliances, medical devices, and more. The company’s commitment to reliable manufacturing and advanced research facilities makes Panasonic a trusted brand for original equipment manufacturers. From small components like resistors to high-tech communications modules, Panasonic’s offerings reflect a focus on durability and user convenience. Choosing Panasonic products means opting for well-crafted components that meet daily needs effectively and reliably.

Datasheet PDF

CR2032 Datasheet:

CR2032.pdf

CR2032.pdf

Frequently Asked Questions [FAQ]

1. What is the difference between CR1632 and CR2032 batteries?

The difference between CR1632 and CR2032 batteries mainly lies in their size. The CR2032 battery has a diameter of 20 millimeters and a thickness of 3.2 millimeters, while the CR1632 measures 16 millimeters in diameter and is also 3.2 millimeters thick. This size variation affects which devices each battery can fit into, so they aren’t interchangeable.

2. What battery can be used to replace a CR1632?

A CR1632 battery can typically be replaced by another watch battery or button cell of the same specifications, ensuring it provides a 3-volt power output and similar dimensions. Always check your device’s manual to confirm compatibility before replacing it with a similar button cell.

3. Can a CR1632 battery be swapped with a CR2032?

While CR1632 and CR2032 batteries have similarities, they cannot be swapped due to their different sizes. A CR2032 has a larger diameter than the CR1632, which means it won't fit into a battery compartment designed for a CR1632. Always use the correct size to avoid fitting issues and ensure safe, effective performance.

4. What are some common uses for CR1632 batteries?

CR1632 batteries are commonly used in small electronic devices that need a steady, reliable power source. You’ll often find them in items like memory backup systems, digital watches, calculators, laser pens, car key remotes, fitness trackers, and certain medical devices, such as digital thermometers and blood pressure monitors. Their compact size and steady voltage make them ideal for these applications.

5. What temperature range can CR2032 batteries operate in?

CR2032 batteries are built to work across a wide temperature range, typically from -30°C to +60°C. This range allows them to perform reliably in various conditions, whether they’re in cold environments or exposed to warmer temperatures.