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DL2032 vs. CR2032: Difference Between DL2032 and CR2032

July 17, 2023

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Introduction

Batteries are an indispensable energy source in our daily lives, playing a crucial role that often goes unnoticed. Despite their silent operation, these small devices provide the necessary power for our equipment to function. When it comes to DL2032 and CR2032 batteries, there are notable differences in their appearance, identified by the letters "DL" and "CR." These identifiers are used by manufacturers to distinguish between different types of batteries, representing distinct series and technical specifications. And when it comes to DL2032 and CR2032 batteries, the most notable difference between them is appearance and capacity. Let's take a closer look at them.


Catalog

DL2032 Battery

Components

Advantages

Limitations

CR2032 Battery

Components

Advantages

Limitations

The Difference Between DL2032 and CR2032

Battery Capacity

Battery Maker

How to Choose DL2032 or CR2032 Battery

Conclusion

FAQ

Are CR2032 and DL2032 Batteries Interchangeable?

Is Duracell DL2032 Rechargeable?

What does CR stand for on batteries?

What battery can replace a DL2032 battery?


DL2032 Battery

The DL2032 battery is a commonly used coin cell battery. It belongs to the CR2032 series of lithium batteries and has a diameter of 20 millimeters and a height of 3.2 millimeters. The "DL" in the battery model indicates that it is a lithium coin cell produced by Duracell, a well-known battery manufacturer.

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Components


Lithium Anode: The anode is typically made of lithium metal or lithium alloy. Lithium provides a high energy density and excellent performance as a reactive material in batteries.


Manganese Dioxide Cathode: The cathode consists of manganese dioxide (MnO2) as the active material. MnO2 acts as an oxidizer during the battery's discharge process.


Electrolyte: The DL2032 battery employs a non-aqueous electrolyte, commonly made of lithium hexafluorophosphate (LiPF6) dissolved in an organic solvent. The electrolyte facilitates the flow of lithium ions between the anode and cathode.


Separator: A porous separator is placed between the anode and cathode to prevent direct contact and short-circuiting while allowing the movement of lithium ions.


Coin Cell Housing: The DL2032 battery is housed in a metal container that serves as the negative terminal. The positive terminal is typically a metal cap that covers the cathode.


Advantages

Compact Size: The DL2032 battery's coin cell design allows for easy integration into small devices and electronic circuits where space is limited.


High Energy Density: The lithium chemistry used in DL2032 batteries provides a high energy density, allowing them to power devices efficiently while maintaining a small form factor.


Long Shelf Life: The DL2032 battery has a low self-discharge rate, enabling it to retain its charge for an extended period. This feature makes it suitable for devices that may sit idle for months or even years before use.


Wide Application Range: DL2032 batteries are commonly used in various electronic devices such as calculators, watches, key fobs, medical devices, fitness trackers, remote controls, and many other small gadgets.


Reliable Performance: The DL2032 battery offers stable voltage output throughout its lifespan, providing consistent power to devices and ensuring their proper functioning.



Limitations

Limited Lifespan: The DL2032 battery has a limited lifespan, typically one to five years. Once the battery has reached the end of its useful life, it needs to be replaced.


Non-rechargeable: The DL2032 battery is a non-rechargeable or primary battery. Unlike rechargeable batteries such as Li-ion or NiMH, it cannot be recharged once it is depleted.


Environmental Impact: Like all disposable batteries, DL2032 batteries create electronic waste when disposed of. Improper disposal of batteries may have adverse effects on the environment.


Limited power output: While the DL2032 battery provides reliable power for small devices, it may not be suitable for high power applications. Devices that require higher current draw may quickly drain the DL2032 battery or cause performance degradation.


Voltage Drop: As the DL2032 battery discharges over time, its voltage output gradually drops. This voltage drop may affect the performance of some devices that are sensitive to power supply variations.




CR2032 Battery

The CR2032 battery belongs to the lithium button battery series, with a diameter of 20 mm and a height of 3.2 mm. The "CR" in the battery model indicates that it is a lithium manganese dioxide button battery, which is generally produced by various manufacturers.

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Components


Lithium Anode: The anode is usually made of lithium metal or lithium alloy. Lithium has high energy density and excellent performance as a reactive material in batteries.


Manganese Dioxide Cathode: The cathode consists of manganese dioxide (MnO2) as the active material. MnO2 acts as an oxidizing agent during battery discharge.


Electrolyte: CR2032 batteries use a non-aqueous electrolyte, usually made of lithium hexafluorophosphate (LiPF6) dissolved in an organic solvent. The electrolyte facilitates the flow of lithium ions between the anode and cathode.


Separator: A porous separator is placed between the anode and cathode to prevent direct contact and short circuits while allowing the movement of lithium ions.


Coin Cell Battery Housing: CR2032 batteries are housed in a metal container that serves as the negative terminal. The positive terminal is usually the metal cap that covers the negative terminal.


Advantage


Compact Size: The coin cell design of the CR2032 battery makes it easy to integrate into small devices and electronic circuits where space is limited.


High Energy Density: The lithium chemistry used in the CR2032 battery provides high energy density, allowing it to efficiently power devices while maintaining a small form factor.


Long Shelf Life: The CR2032 battery has a low self-discharge rate and holds its charge for a long time. This makes them suitable for equipment that may sit idle for months or even years before being used.


Wide range of applications: CR2032 batteries are commonly used in various electronic devices such as calculators, watches, key fobs, medical equipment, fitness trackers, remote controls, and other gadgets. They are also frequently used in computer motherboards to power CMOS memory and maintain system settings.


Reliable performance: CR2032 battery provides stable voltage output throughout its service life, providing stable power to devices and ensuring their normal operation.



Limitations

Non-rechargeable: CR2032 batteries are non-rechargeable or primary batteries. Once the battery is depleted, it cannot be charged and new batteries need to be purchased.


Limited Current Draw Capability: The CR2032 battery is designed for low to moderate current draw applications. While it is suitable for powering small electronic devices such as toys, watches, and calculators, it may not be suitable for devices that require a lot of current. High powered devices may quickly drain the battery or degrade performance.


Special Holder Requirements: CR2032 batteries often require a specific holder or case to ensure proper contact and current flow. Without the correct brackets, it may not fit securely or make proper electrical connections.


Risk of leakage: CR2032 batteries present a risk of leakage if stored improperly or under extreme conditions. A leaking battery may damage the device it powers, causing it to malfunction or corrode.


Limited Energy Storage: CR2032 batteries have limited energy storage capacity compared to larger batteries. This limitation may affect the run time of devices that require higher power consumption or have continuous power requirements.



The Difference Between DL2032 and CR2032

Battery Capacity

DL2032 Battery Capacity: The DL2032 battery, manufactured by Duracell, usually has a capacity of around 240 milliampere-hours (mAh). This higher capacity means that the battery can deliver a larger amount of electrical energy over time before it is fully discharged. The increased capacity of the DL2032 battery allows it to power devices for longer durations, reducing the frequency of battery replacements.


CR2032 Battery Capacity: The CR2032 battery, which is a more generic term representing the lithium manganese dioxide coin cell with the same physical dimensions, typically has a capacity of around 220 milliampere-hours (mAh). While this capacity is slightly lower compared to the DL2032, it still provides a sufficient amount of energy to power various small electronic devices.


Battery Maker

DL2032 Battery: The DL2032 battery is manufactured by Duracell. Duracell has been in the battery industry for many years and has built a strong reputation. The DL prefix in the battery model indicates that it is a lithium coin cell manufactured by Duracell.


CR2032 Battery: The CR2032 battery, on the other hand, is a more generic term used to describe a lithium manganese dioxide coin cell battery with a diameter of 20 millimeters and a height of 3.2 millimeters. The "CR" prefix is an industry standard designation established by the International Electrotechnical Commission (IEC) for this type of battery. Numerous battery manufacturers produce CR2032 batteries, and they are widely available from various brands.


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How to Choose DL2032 or CR2032 Battery

  • Device compatibility

Ensure that the battery you choose is compatible with the device you are using. Refer to the device's manual or manufacturer's specifications for the recommended battery type.


  • Battery size

CR2032 and DL2032 batteries have slightly different thicknesses. Verify the correct size required by your device. CR2032 batteries are typically 20.0 x 2.5 x 1.1 mm, while DL2032 batteries are 20.0 x 2.5 x 0.9 mm.


  • Battery capacity

The capacity of the battery, measured in milliamp-hours (mAh), determines how long it will last. Higher-capacity batteries will provide longer runtime, particularly for devices with higher power requirements.


  • Shelf life

Consider the shelf life of the battery, which indicates how long it can retain its charge while in storage. Both CR2032 and DL2032 batteries generally have a shelf life of 3 to 5 years.


  • Price

Compare prices among different brands and sellers, as they can vary. Typically, CR2032 and DL2032 batteries are priced around $1-2, but the cost may differ based on brand and capacity.



Conclusion

Overall, the two batteries have different advantages and disadvantages. DL2032 batteries are suitable for high power consumption devices, while CR2032 batteries are suitable for low power consumption devices. When using these batteries, it is most important to select the battery type according to the requirements of the device to ensure compatibility and optimal performance.