CR2450 vs CR2032 are they interchangeable?

The CR2450 and CR2032 batteries come with different dimensions. CR defines lithium manganese batteries where 2032 is 20 mm diameter and 3.2 mm thickness, and 2450 is 24 mm diameter and five millimeter thickness. In this post we will cover details for different features of CR2450 and CR2032 and related factors to find that either they are different or can be replaced with each other. So let’s get started with the difference between CR2450 and CR2032.

What is a CR2450 battery?

• The CR2450 battery is a lithium coin battery and has dimensions of 24mm in diameter and a height of 5mm. It is part of the CR or lithium manganese dioxide battery series.
• The common uses of this battery are watches, calculators, key fobs, fitness trackers, and remote controls.
• The CR in the battery name is used for defining its chemistry, lithium manganese dioxide, which has features to provide constant and longer-duration power.
• The CR2450 battery has a high capacity as compared to other coin cell batteries, so it is preferred where high power is needed for a longer time.
• This battery has a voltage range of about three volts, and the capacity value is up to 700 mAh. It has a longer working life with a stable voltage output.
• It is environmentally friendly since it does not have mercury in its chemical composition.
• Its main feature that helps to use it on different devices is longer working. Panasonic’s CR2450 button battery provides about 90 percent capacity after ten years of use.

What is a CR2032 battery?

• A CR2032 battery  has 20 mm diameter and 3.2 mm thickness and it is non rechargebale battery. This battery has a voltage value of about three volts and a capacity of about 240 mAh.
• It is a lithium cell battery that is mostly used in different applications such as key fobs, motherboards, security systems, etc.
• This battery has manganese dioxide chemistry that helps to provide longer time and constant working.
• The CR in battery names means lithium battery. Its moderate level of capacity helps to use it for moderation power using applications.

What is a CR battery?

• The names of batteries are assigned based on the IEC name system; according to that, some letters and numbers are used. That is a combination of chemical composition, such as lithium manganese dioxide used for letter C.
• The round-shaped battery showed with the first letter R that was replaced with another letter.
• The thickness and battery diameter are defined with numbers such as 2450, which means a 24 mm diameter and 5.0 is the thickness of the battery.

What Are Button Batteries?

• Different types of batteries used in calculators, watches, and remote controls are button batteries, and they are small in size with a disc shape.
• There is a thin sheet of plastic covering the lower part of the device and comes with two metallic pins in the upper part.
• Button batteries come in different sizes and voltages based on applications; also, the dimensions are in millimeters, and the structures are round, which helps to easily identify them.
• The different types of button batteries are alkaline batteries, silver oxide batteries, and lithium batteries. For voltage, capacity, and shelf life, these batteries are different, such as lithium-ion batteries, which have high energy density and longer working lives.

CR2450 Battery Features

• The main feature of the CR2450 battery is that it provides a stable voltage level at the time of battery discharge.
• Its minimum working voltage is -300 C, and maximum working voltage is +600 C.
• Nominal voltage of CR2450 battery is 3V with battery capacity 620mAh.
• It is a non-rechargeable battery with a longer-term working life.
• Its width is 24.5 mm, and its height is 5 mm, with a weight of 6.3 grams.

Feature	CR2450
Diameter × Height	24.5 mm × 5.0 mm
Working	7–10 years
Applications	Remote controls, clocks, medical devices, sensors,
Discharge Characteristics	Like the CR2032 but  longer due to higher capacity
Cost	Higher
Interchangeability	Not used as  interchangeably to CR2032
Capacity	500–620 mAh
Voltage	3V
Weight	~6 g
Chemistry	Lithium Manganese Dioxide
Operating Temperature	-20°C to 60°C

CR2450 Battery Equivalent

• CR2450 Battery Equivalent: CR-2450/H1AN, CR2025, CR-2450/F1AN, CR-2450/VAN, CR-2450/G1AN.

CR2032 Battery Features

• It is a lithium coin cell battery, and the nominal voltage value is three volts.
• Maximum current value is 0.19A with non-rechargeable disposal battery features.
• Its capacity is 240 mAh, and its working life is 720 hours.
• Its weight is 3 grams, and its working temperature is -30°C to 60°C.
• Self-discharge is about 1% per year.

Feature	Value
Shape	round
Chemistry	Lithium
Weight	3 g
Operating Temperature	0°C- 60°C
Maximum Current	0.19A
Shelf Life	8- 10 yrs
Nominal Voltage	3V
Diameter	20mm
Thickness	3.2mm

CR2032 Battery Equivalent

• DL2032:
• BR2032:
• ECR2032:
• KCR2032:
• LITH-11:

CR2032 vs CR2450

Here’s a comprehensive table comparing CR2032 and CR2450, two popular coin cell batteries:

Feature	CR2032	CR2450
Diameter × Height	20 mm × 3.2 mm	24.5 mm × 5.0 mm
Capacity	220–240 mAh	500–620 mAh
Shelf Life	7–10 years	7–10 years
Applications	Watches small electronics, key fobs	sensors, clocks, Remote controls, medical devices,
Discharge Characteristics	Relatively steady voltage	Like CR2032
Cost	Lower	Higher
Interchangeability	no	Not used
Voltage	3V	3V
Weight	~3 g	~6 g
Chemistry	Lithium Manganese Dioxide (LiMnO₂)	Lithium Manganese Dioxide (LiMnO₂)
Operating Temperature	-20°C to 60°C	-20°C to 60°C

 

CR2450

• The size of CR2450 is larger as compared to CR2032 and is best to use for devices that have a larger room for battery connection. The devices that needed high power and larger size provided high energy storage capacity and longer working life. Since it has a larger size, it is not the best to use as a replacement for the CR2032 battery or applications where the CR2032 is used.
• It is used for different applications since it has three volts of features, so it provides continuous power for devices where it is used.
• The main features of this battery are energy capacity, and that helps to provide power to devices that need longer-term working.

CR2032

• The R2032 is a smaller size battery than the CR2024 battery, and it has a spherical shape, so it is used for devices where high space exists. Its main feature is adaptability, and it is used for different applications such as watches, calculators, and some other small devices.
• Its three volts features provide constant power for connected devices. The CR2032 comes with good energy storage features that help to operate a certain amount of energy.
• Its reliable features make them useful for devices where constant and longer-term power is needed.

CR2450 vs. CR2032 Specification

• The physical dimensions of CR2032 are that the diameter is 20mm, and CR2450 has 24.5mm. This change in size has a high effect on their uses. The high-size battery stores more energy and is for longer-term use since CR2450 has high density.
• For remote control and calculators CR2032 battery used since has low energy use. CR2450 is used for high-power devices like medical devices and digital cameras.

code	CR-2450EL	CR-2032EL
Diameter	24,5 mm	20 mm
Weight	6,3 g	3,1 g
Shelf Life	10 years	10 years
Size	CR2450	CR2032
Technology	Lithium	Lithium
Voltage	3V	3V

CR2032 Applications

• Wireless doorbell for the house.
• CMOS battery in computers.
• Glucometers
• Digital thermometers
• Key fob for cars.
• Digital altimeter
• Cyclocomputers
• Heart rate monitors

CR2450 Applications

• Small PDA devices
• Laser pens
• Memory backup
• Digital watches
• Digital thermometers
• Car keys
• Wireless doorbell for house
• Cyclocomputers

Differences between CR2450 and CR2032

Voltage

• The CR2450 and CR2032 have the same voltage value of three volts since they are lithium cells.

Temperature Range

• The working temperature range for the CR2450 battery is -40°C and 85°C (-40 to 185°F), and the CR2032 temperature range is -20°C (-4°F) to 70°C (158°F).

Capacity

• Battery capacity is a feature that defines the energy stored in a battery. The CR2032 comes with less compact features than the CR2450 battery. The CR2450 battery has a capacity in the range of 620 mAh and 240 mAh. The CR2032 has a capacity of about 240 mAh. So the CR2450 is more effective than the CR2032 battery since it has a longer working life.

Weight

• These two batteries has 3.1 grams weight differences

Rechargeability

• These two are non rechargeable batteries.

Uses

• The common uses of the CR2450 battery are in remote controls and home automation circuits. CR2032 batteries are used for lower-power devices like calculators, watches, and small toys.

Working Life

• CR2032 working life is about 10 to 15 years and CR2032 has more than years working life.

Diameter and height

• The CR2450 battery diameter is 24.5 mm, and the CR2032 has a diameter of 20 mm. The height of the CR2450 is 5mm, and the CR2032 battery has a height of 3.2mm.

Chemical Composition

• CR2450 and CR2032 have lithium chemistry that provides a longer working life since they have high density.

Are CR2450 and CR2032 Interchangeable?

Capacity:

• CR2450 battery has a higher capacity than CR2032 battery. Battery capacity is a factor that defines energy stored in a battery. The CR2450 battery comes with high capacity, so it has high energy storage as compared to the CR2032. So if we replace the CR2450 battery in place of the CR2032, it can affect the working performance of the CR2032 battery.

Size:

• The dimensions of both batteries are different. The diameter of the CR2450 battery is 24 mm, and its thickness is 5 mm, and the diameter of the CR202 battery is 20 mm, and its thickness is 3.2 mm. So we cannot replace them since they have different dimensions.

CR2450 vs. CR2032: Similarity

Feature	CR2450 & CR2032
chemical component	LiMnO2
Shape	Circle
Type	non-rechargeable
Voltage	3V

Summary: CR2450 vs. CR2032

• The CR2450 battery is more commonly used than the lithium 2-volt CR2032 battery. These two batteries have the same output voltage. The CR2450 battery comes with the same storage as the CR2032 battery. As a result, the energy density is the same, and the capacity of the CR2450 is higher since it has a larger size. Capacity can be about 620mAh based on brand. The physical dimensions of the CR2032 are that its diameter is 20mm, and the CR2450 has a diameter of 24.5mm.

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