CR1220 Battery Guide - Specification Characteristics, vs. CR1216 and CR1225

This article embarks on a thorough exploration of the CR1220 battery. What precisely defines the specifications that set this battery apart in its class? We will examine its technical specifications in detail, understanding the nuanced distinctions that make it unique.

Catalog

Overview of CR1220 Battery

The CR1220 battery is a widely utilized lithium coin cell, commonly found in high-drain devices such as keyless entry systems, heart rate monitors, and glucose meters. According to IEC's standardized naming,

• - "C" stands for its lithium metal and manganese dioxide chemical system,
• - "R" indicates its round shape,
• - "12" denotes a diameter of 12.5 millimeters, and
• - "20" represents a height of 2.0 millimeters.

The CR1220 has a nominal voltage of 3.0V, a cutoff voltage of 2.0V, and a rated capacity of 40mAh. Known for its stable performance, it is also ideal for use in memory backup, electronic dictionaries, LED lighting, and vocalizing toys.

The chemical composition of CR1220, comprising lithium and manganese dioxide, ensures enduring performance across diverse applications. The high energy density and slow discharge rate make it suitable even for demanding conditions, particularly vital in medical devices where reliability is crucial.

The dimensions of the CR1220, while seemingly minor, play a role in its extensive use. The compact size allows for seamless integration into small and portable electronic devices, aligning with the trend of miniaturization in technology.

The nominal voltage of 3.0V ensures that the CR1220 meets the power requirements for digital devices, maintaining steady performance from installation to near depletion. The cutoff voltage of 2.0V acts as an essential threshold to prevent over-discharge, which can harm both the battery and the device. The 40mAh capacity highlights its suitability for low to moderate power-consuming gadgets. Users frequently find it reliable for device longevity, efficiently balancing performance and duration.

Specifications of the CR1220 Battery

The CR1220 battery, a widely-used coin cell, is favored for its compact size and dependable performance. Let's delve into its specifications:

Type	Parameter
Material	Lithium
Published	2008
Size / Dimension	0.49Dia x 0.08 H 12.5mmx2.0mm
Max Operating Temperature	60°C
Voltage -Rated	3V
Termination Style	Requires Holder
Battery Chemistry	Lithium Manganese Dioxide
Capacity	35mAh
Chemistry/Technology	Lithium
RoHS Status	Non-RoHS Compliant
Weight	1.2g
Series	CR1220
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Min Operating Temperature	-30℃
Voltage -Rated DC	3V
Output Voltage	3V
Battery Cell Size	Coin 12.5mm
Discharge Rate	100μA
Height	2.032mm
Lead-Free	Lead-Free

Features of the CR1220 Battery

Lightweight: Is it ever surprising how some of the smallest components can significantly impact the design of advanced technology? Take the CR1220 battery, for instance, which stands out for its exceptional lightness. This characteristic renders it particularly suited for wearable devices and portable electronics. Because of its minimal weight, it is frequently selected for applications where keeping the overall device weight low is of utmost concern.

This consideration becomes even more crucial in medical devices, such as glucose monitors. These devices require not only robust functionality but also a high degree of user comfort. Therefore, the lightweight nature of the CR1220 battery adds value, both in terms of ensuring user convenience and maintaining device efficiency.

High Voltage Output: It delivers a steady 3.0V output, apt for devices needing elevated voltage levels.For devices like digital watches and key fobs, maintaining consistent voltage is crucial to ensure precise power regulation.Devices reliant on exact power metrics demand a meticulous approach to voltage stabilization.

High Energy Density：The CR1220 efficiently delivers prolonged power within a limited space.Devices such as fitness trackers benefit from this since they require long-lasting power in a compact form factor.This characteristic also ensures minimal battery replacement frequency, which is advantageous in hard-to-access or small-scale electronics.

Excellent Discharge Characteristics：The battery maintains a stable discharge profile throughout its lifecycle, which reliably supports device performance. Its advanced materials and engineering minimize degradation of electrode materials and electrolytes.

By maintaining its discharge characteristics, the battery effectively supports not only the functionality of devices but also the objectives of the projects that rely on these devices. In essence, it stands as a silent yet steadfast guardian of reliable data collection, underpinning the integrity of long-term scientific studies.

Long-Term Reliability: The CR1220 is renowned for its long-term stability and minimal maintenance needs. Moreover, this reliability proves invaluable in emergency devices such as smoke detectors and security systems.

In essence, the long-term reliability of the CR1220 not only enhances its utility in daily applications but also bolsters the overall sense of security in emergency scenarios.

Alternatives to CR1220 Battery

Substitute Models:

Substitute models include DL1220, DL1220B, and BR1220. These models are interchangeable, but the choice of which one to use can depend on several factors.

Technical Specifications:

When considering alternatives to the CR1220 battery, it is prudent to delve into their technical specifications. All these models share similar dimensions and voltage characteristics, making them suitable replacements. For instance, the DL1220 and DL1220B typically offer the same voltage and capacity as the CR1220, thus ensuring they will function effectively in a wide range of devices.

Performance Under Different Conditions:

Beyond technical specifications, examining performance under varying conditions is crucial. The BR1220 is renowned for its superior performance in high-temperature environments. This makes it an option worth considering for devices exposed to harsh conditions, such as outdoor equipment.

Manufacturing Standards and Material Quality:

Understanding manufacturing standards and material quality provides insights into battery longevity and reliability. For example, DL series batteries produced by Duracell are acknowledged for their stringent quality control measures and consistent performance, a fact often confirmed by users who report long-lasting energy solutions.

Availability and Accessibility:

In practical applications, battery availability is another factor of immense significance. While all these alternatives are typically accessible, some brands may be more widely distributed and easier to source in specific regions. Availability can greatly influence maintenance schedules, particularly in professional environments where the prompt availability of spare parts is crucial.

Comparison of CR1216, CR1220, and CR1225

CR1216:

• - Dimensions: 12.5 x 1.6 mm.
• - Capacity: 25 mAh.
• - Comparable leaking current.

CR1220:

• - Dimensions: 12.5 x 2.0 mm.
• - Capacity: 35-40 mAh.
• - Moderate leaking current.

CR1225:

• - Dimensions: 12.5 x 2.5 mm.
• - Capacity: 50 mAh.
• - Higher discharge current.

Understanding CR1216, CR1220, and CR1225 batteries necessitates looking beyond their basic specifications. Each model possesses distinct attributes that influence device compatibility and longevity, which are crucial for practical applications. For instance:

• - Dimensions influence not only the physical fitting but also the electrical connections within a device.
• - Capacity is linked directly to the battery's lifespan in powering the device.
• - Discharge currents, including leaking currents, affect how stable and efficient the battery remains over time.

Detailed Capacity Analysis and Implications

CR1216 has a capacity of 25 mAh, indicating shorter operational life compared to its counterparts. Its minimal thickness, 1.6 mm, makes it suitable for ultra-thin devices where space constraints are paramount. Devices such as slim watches and compact calculators often require CR1216 due to their limited power needs and space availability.

CR1220, with a 35-40 mAh capacity, offers a balance of operational duration and size. It is widely used in mid-range devices such as:

• - Computer motherboards
• - Certain medical instruments

CR1225 boasts the highest capacity at 50 mAh, suitable for gadgets demanding higher power output over extended periods, such as:

• - Security devices
• - Digital thermometers

It also features a relatively thicker profile at 2.5 mm, which necessitates appropriate spatial accommodations within the device design.

Discharge Characteristics and Their Significance

How do discharge characteristics impact different battery models?

The discharge characteristics indeed show substantial variation across different battery models. One might wonder, why does CR1216 have a lower discharge rate? This is attributable to its lower capacity, which makes it perfectly suited for low-power, intermittent usage scenarios. On the flip side, the CR1225, boasting a higher capacity, provides a more substantial discharge current. This difference enables it to offer sustained and consistent energy output, a critical feature for more demanding applications that seek reliability.

Observational Importance in Device Functionality

It becomes evident, upon detailed observation, that discharge rates play a pivotal role in ensuring the seamless functionality of devices. In the professional healthcare sector, for instance, why is the CR1225 preferred for glucose meters? The answer lies in its reliable and continuous power output, which is essential for the accurate functioning of such critical devices. Therefore, the alignment of battery specifications with the power requirements of the device turns out to be profoundly consequential.

Practical Considerations for Substitution

Despite the seemingly minor differences in dimensions and capacities, swapping one battery model for another, such as using CR1216 or CR1225 instead of CR1220, presents complexities. Have you ever considered how each battery's voltage and discharge profile might impact sensitive electronic circuits? Each battery model is uniquely designed for its designated applications. A direct substitution could negatively impact device performance, reduce lifespan, and compromise safety. It's interesting to note that empirical evidence shows improper battery replacement often results in decreased efficiency and higher maintenance costs.

By way of illustration,

• - A careless substitution might lead to your device shutting down unexpectedly.
• - You might wonder if using a higher-capacity battery is beneficial, but it can sometimes damage the internal circuits.

A profound understanding of each battery model's specifications is essential. The subtle differences in dimensions, capacities, and discharge rates can profoundly affect device compatibility and performance. Thus, following the recommended battery model is your best bet to maintain optimal functionality and extend the device's longevity.

Frequently Asked Questions [FAQ]

1. What is the Difference Between CR1220 and CR1225?

The main distinctions between CR1220 and CR1225 reside in their dimensions and capacity. The CR1220 measures 12.5 x 2.0 mm with a capacity ranging from 35 to 40 mAh, offering lower leakage current. Conversely, the CR1225 also has a diameter of 12.5 mm but is 2.5 mm thick and boasts a capacity of 50 mAh, supporting a higher discharge current.

2. Can I Substitute CR2032 for CR1220?

Substituting a CR2032 for a CR1220 is not feasible due to significant size differences. The CR2032 has a diameter of 20 mm and a thickness of 3.2 mm, whereas the CR1220 measures 12 mm in diameter and 2 mm in thickness.

3. What is the Difference Between CR1220 and ML1220?

The CR1220 is a non-rechargeable battery, while the ML1220 is rechargeable.

4. How Long Can the CR1220 Last in Use?

The lifespan of a CR1220 battery greatly depends on its application and the device's power demands. Typically, it can last up to a year.

5. Can I Recharge a CR1220 Battery?

The CR1220 is not designed for recharging and should be replaced once depleted. For a rechargeable option, consider the ML1220 battery.

6. Will the Battery Expire If Not Used?

Yes, unused batteries have a shelf life and can expire. After reaching or exceeding the expiration date, a battery's performance can deteriorate, potentially posing safety risks.