CR2025 vs. CR2032: How to differentiate?

What models are CR2032 and CR2025? What does CR stand for in battery? Lithium coin cell batteries are usually designated with a CR followed by a set of numbers.

The letter C stands for Lithium Manganese Dioxide.

R-after another letter stands a round cell with the chemistry shown by the first letter.

Digit-The next four digits indicate the size, the first two digits indicate the diameter, and the last two digits indicate the thickness.

All the batteries that have this chemical substance in their batteries can use this abbreviation CR.

A CR2032 battery is a 20mm diameter x 3.2mm thickness non-rechargeable (primary) lithium coin or "button" cell battery. Depending on the manufacturer, the CR2032 battery has a voltage of 3 volts and a capacity of up to 240mAh. The CR2032 is the most widely used lithium coin cell battery today. The CR2032 battery is used in a variety of commercial applications, including automobile key fobs, motherboards, security system panels, and weapons sighting systems. The CR2032 battery can also be fitted with connecting tabs, allowing it to be installed in practically any position. The CR2032 battery is an excellent choice for a wide range of applications due to its small size, large capacity, long service life, and consistent discharge.

CR2032 

Features & Benefits

• Good pulse capability

• High discharge characteristics

• Stable voltage level during discharge

• Long-term reliability

Specifications

• Nominal Capacity: 225 mAh

• Nominal Voltage: 3V

• Weight: 2.9g

• Operating Temperature: -30°C - +60°C

A CR2025 battery is a non-rechargeable lithium coin or "button" cell with a diameter of 20mm and a thickness of 2.5mm. Depending on manufacturer specifications, the CR2025 battery has a high voltage of 3V and a capacity of up to 170mAh. The CR2025 battery is a very common lithium coin cell battery that is used in the same quantities and for the same purposes as the CR2032. The CR2025 is marginally more suited for goods with limited mounting space than the CR2032. When used in similar applications, however, the CR2025's lesser capacity (mAh) will result in somewhat shorter service life than a CR2032.

CR2025

Features & Benefits

• Good pulse capability

• High discharge characteristics

• Stable voltage level during discharge

• Long-term reliability

Specifications

• Nominal Capacity: 165 mAh

• Nominal Voltage: 3V

• Weight: 2.3g

• Operating Temperature: -30°C - +60°C

• Wristwatches

• Pocket calculator

• Key fob

• Children’s toys

• Garage door opener

As you can see, CR2025 and CR2032 are very similar. Both are 3V button cells with the same diameter and are interchangeable if they fit in the casing. They are not rechargeable and are all lithium primary batteries. Lithium coin batteries have a 10-year shelf life when maintained at ambient temperature and relative humidity. Both batteries can power small devices like calculators, computer motherboards, fitness appliances, laser pens, POS systems, security devices, sensors, smart carport keyless entry devices, wristwatches, and various medical devices such as clinical thermometers, glucose monitors, heart pacemakers, and tensiometers.

The obvious difference between the two battery types would be thickness and mAh. The CR2025 has a diameter of 20mm and a thickness of 2.5mm while the CR2032 has a diameter of 20mm and a thickness of 3.2mm. Because the CR2032 is 0.7mm thicker than the CR2025, it has a higher capacity (mAh) to deliver current to the load. The CR2025 generally has a 165mAh and the CR2032 has a slightly higher mAh of 225. Depending on how frequently the device is used, it might be worth choosing the CR2032 battery.

The CR2025 and CR2032 can be used interchangeably as long as they fit in the battery box, though the CR2032 will probably last slightly longer simply because it has a bigger capacity (mAh). If you're in a pinch and only have the CR2025 on hand, you can fold a piece of aluminum foil or another conductor to fill the 0.7mm gap. Close the compartment and lay it on top of the positive (+) side of the battery to keep it in place. If you don't make proper contact with the battery and spring, the battery may become intermittent. Although this isn't ideal because the CR2025 won't last as long in a device meant for the CR2032, it can be beneficial in an emergency or when you're out of batteries.

If you're replacing a CR2032 with a CR2032, the size of the battery is the most important consideration. And there are also other factors to consider when doing so.

• Voltage

Electronic gadgets have a set operating voltage that they are meant to operate at for best performance. This implies you'll need to match the battery voltage to the operational voltage of the device you're using it with.

If you're replacing a CR2025 with a CR2032, the voltage of the CR2032 must be the same.

Both batteries have the same voltage of 3 volts.

• Current

Devices are rated for a particular amount of current that they draw under typical functioning conditions, just like voltage.

Both batteries deliver the same amount of 0.2mA current.

• Current capacity

Last but not least, current capacity must be considered. A battery's capacity refers to how much total charge (current) it can hold.

It's like glass and the amount of water it can hold.

The more water (charge) a glass can carry, the bigger it is, and vice versa.

The chemical composition of a battery, on the other hand, can have an impact on current capacity.

It isn't only a matter of the battery's physical dimensions.

However, because both batteries have the same chemical makeup in this instance, the capacity is determined by their size.

Because the CR2032 is 0.7mm larger than the CR2025, it can carry more charge and so deliver a higher current.

The CR2032’s capacity is 220mAh, whereas the CR2025’s capacity is 165mAh.

As the industrial components and electronic devices division of Panasonic Corporation of North Americ, Panasonic Industrial Devices Sales Company of America provides key components that power the home appliances, consumer electronics, computers, communications, and commercial and healthcare products used by millions of people each day. in addition to a wide range of high-quality industrial products, global manufacturing, and advanced research and development facilities, we are also committed to customer service, for which we are preferred by customers. From the smallest resistor to the highest technology wireless communications modules, all of them can be found on our product list, which means a wide selection for you.

There is very little difference between the CR2025 and the CR2032. As you probably expected, coin battery shelf life differs by brand. As they say, “You get what you pay for”. The only real difference when comparing brands is in the mAh. Although the CR2032 appears to be a logical choice due to its capacity, the battery you should purchase is determined by your purpose, frequency of usage, and budget. Another factor to consider is the amount of storage space available on your device's battery. It won't work if it doesn't fit, no matter how small or large it is.

CR2025 may be preferable for children's toys and pocket calculators. However, CR2032 may be used in wristwatches, heart monitor scans, and hearing aids. So your decision will be made on the capacity of those batteries.