CR2450 Battery: Specifications, Voltage, Equivalent

In today's world of innovation and technology, small and efficient power solutions have become the heart of many portable electronic devices. The CR2450 button battery, with its excellent performance and reliability, has become the ideal choice for countless small electronic devices. This article aims to explore the characteristics, advantages and wide application of CR2450 batteries in daily life, and also share some practical suggestions on how to choose and maintain this battery.

Basic Introduction to CR2450 Batteries

The CR2450 battery is a disposable lithium manganese oxide battery with a diameter of 24.5 mm, a thickness of 5.0 mm, and a nominal voltage of 3.0 volts. Compared with the CR2430 battery of the same series, the CR2450 battery has a larger capacity, usually between 450mAh and 500mAh, which means that it can provide longer use time at the same current consumption. The chemical characteristics of this battery ensure that it has a low self-discharge rate at room temperature, making the CR2450 a perfect partner for applications that require long-term stable power supply.

CR2450 battery specifications

CR2450 battery parameter table
Nominal voltage	3.0 V
Battery chemistry	LiMnO2
Height	5.0 mm
Diameter	24.5 mm
Capacity	450-500 mAh
Weight	6.2 g
Minimum operating temperature	-30℃
Maximum operating temperature	60℃
Rechargeable/non-rechargeable	Non-rechargeable

CR2450 battery dimensions

The dimensional information of CR2450 is shown in the figure below:

Working principle of CR2450 battery

The working principle of CR2450 battery is based on the chemical reaction between lithium metal and manganese dioxide. The positive electrode material of the battery is manganese dioxide, the negative electrode material is lithium metal, and the electrolyte is usually a lithium salt in an organic solvent. When the battery is discharged, lithium ions migrate from the negative electrode through the electrolyte to the positive electrode, reacting with manganese dioxide to generate current. This process is irreversible, so the CR2450 battery is a disposable battery and cannot be recharged.

Core advantages of CR2450 battery

High energy density: The high energy density of CR2450 battery means that more energy can be stored in a limited space, which is crucial for electronic products that pursue thin and light design.
Stable voltage output: Even during the discharge cycle, CR2450 battery can maintain a relatively stable voltage output to ensure that the normal operation of the device is not affected.
Low self-discharge rate: Even when not in use, the self-discharge rate of CR2450 battery is much lower than other types of batteries, which means that it can be stored for a long time without significant loss of power.
Wide operating temperature range: CR2450 battery can work effectively in the temperature range of -20°C to +60°C, suitable for applications under various environmental conditions.

What is a cr2450 battery used for?

• Consumer electronic products: such as remote controls, electronic toys, electronic scales, etc., these devices usually have strict requirements on the volume and weight of the battery, and CR2450 battery just meets this.

• Medical equipment: Portable medical devices such as blood glucose meters, thermometers, heart rate monitors, etc. rely on the stable power provided by CR2450 batteries to ensure the accuracy of measurements and the reliability of equipment.

• Industrial applications: In the fields of automation control, IoT devices, wireless sensors, etc., CR2450 batteries are ideal for these devices due to their long life and stable performance.

• Automotive electronic systems: For example, tire pressure monitoring systems (TPMS) require high temperature resistant and stable batteries, and CR2450 batteries just meet these requirements.

CR2450 battery equivalent

Battery type	Voltage	Size (diameter x height)	Chemistry
CR2450	3V	24.5mm x5.0mm	LiMnO2
DL2450	3V	24.5mm x5.0mm	LiMnO2
ECR2450	3V	24.5mm x5.0mm	LiMnO2
LTC2450	3V	24.5mm x5.0mm	LiMnO2
LIR2450	3V	24.5mm x5.0mm	LiMnO2
BR2450	3V	24.5mm x5.0mm	Li-ion

Among them, BR2450 batteries are rechargeable!

CR2450 Battery Manufacturers

• Panasonic: Known for its high quality and long life batteries, Panasonic produces several models of button batteries, including CR2450.

• Maxell: As one of the world's leading battery manufacturers, Maxell offers various types of button batteries, including CR2450.

• Renata: It is a Swiss company that specializes in high-precision and high-performance button batteries, including CR2450.

• Varta: German brand Varta offers a range of high-quality button batteries, covering CR2450 models.

• Energizer: Energizer is a well-known battery brand that offers several types of button batteries, including CR2450.

• Duracell: As a well-known battery brand in the world, Duracell also produces CR2450 button batteries.

• Sony: Sony also produces various types of button batteries, including CR2450.

FAQs about CR2450 batteries

Is a CR2450 battery the same as an CR2032 battery?

• Dimensions: The diameter of a CR2450 is 24.5mm and the thickness is 5.0mm; the diameter of a CR2032 is 20mm and the thickness is 3.2mm. This means that a CR2032 is physically too small to fit into a device slot originally designed for a CR2450.

• Capacity: The capacity of a CR2450 is typically between 450mAh and 500mAh, while the capacity of a CR2032 is around 220mAh to 230mAh. This means that a CR2450 can provide longer use at the same current draw.

Are CR2450 and CR2032 interchangeable?

A CR2032 cannot physically replace a CR2450 because it is too small to fit into a battery holder designed for a CR2450. Conversely, while the CR2450 is larger in size, it could theoretically be used in place of the CR2032 in some situations if the device's battery compartment is large enough to accommodate it and the device does not need to exceed the CR2032's maximum current output.

What battery is compatible with CR2450?

• CR2477 battery: This battery has the same diameter as the CR2450, but is 7.7mm thick. It also has a higher capacity, making it a good fit if your device can accommodate the extra thickness.

• CR2032 battery: While much smaller than the CR2450 (20mm diameter, 3.2mm thick), this battery does have the same voltage. If the device can be modified to accommodate the smaller battery, or you can create a spacer to accommodate the size difference, this could be a possible alternative.

CR2450 battery usage notes:

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