Lithium CR1616 Batteries - Specifications, Comparison, Equivalents and Alternatives

The CR1616 lithium battery is a commonly used 3.0-volt primary cell known for its broad range of applications. It is essential in devices such as car key remotes, watches, TV remotes, medical instruments (including heart rate monitors and digital thermometers), computers, calculators, and digital scales. Thanks to its long shelf life and stable voltage, the CR1616 is also widely used as a memory backup battery in computers, cameras, and gaming controllers.

From a practical perspective, the CR1616's widespread adoption is largely due to its reliability and efficiency in maintaining consistent performance across varying devices. This has been further affirmed through numerous real-world applications, where its durability and functionality have exhibited remarkable consistency.

Catalog

Features and Specifications of the CR1616 Battery

The CR1616 is a coin cell battery with dimensions of 16 millimeters in diameter and 1.6 millimeters in height, weighing between 1.1 to 1.3 grams. Common alternative designations for this battery include DL1616, BR1616, ECR1616, and GPCR1616. The negative electrode of the CR1616 is composed of lithium, while its positive electrode is typically made of manganese dioxide. In contrast, batteries labeled as BR1616 use carbon monofluoride for the positive electrode. The operational temperature range of the CR1616 is generally between -20°C and 70°C, though this can vary slightly depending on the manufacturer. For example, Panasonic's CR1616 operates efficiently within a range of -30°C to +85°C.

In practical terms, the specific applications of the CR1616 often take advantage of its thermal stability and reliable power output, as observed in daily use by professionals and consumers alike. For instance, in the automotive industry, the CR1616's dependable performance in key fobs has consistently proven to meet and exceed user expectations, reinforcing its status as a preferred power source.

CR1616 Battery Voltage

The nominal voltage of a CR1616 battery is 3.0V, with a typical cutoff voltage around 2.0V. The capacity ranges from 50-55 mAh, although some models can reach up to 60 mAh. Over time, the BR1616 battery has been largely supplanted by the more advanced CR1616.

These modern CR1616 batteries offer:

• A nominal voltage of 3.0V
• A cutoff voltage of 2.0V
• A wide temperature range
• A shelf life of up to 10 years
• An annual self-discharge rate of less than 1%

What does this mean in practical terms? For consumer electronics, the high energy density and longevity are particularly valuable. Small devices like watches, calculators, and various medical devices rely on CR1616 batteries for their steady voltage output and long lifespan. This reliability reduces the need for frequent battery replacements, enhancing user convenience and device performance.

Does the battery's performance hold up in varying environmental conditions? The CR1616 battery performs well across a wide temperature range. Whether in cold winter climates or high-temperature industrial settings, the battery's versatility ensures consistent operation. This adaptability is critical in fields like automotive and aerospace, where temperature fluctuations are significant.

Furthermore, the low self-discharge rate of CR1616 batteries makes them suitable for emergency equipment or devices used intermittently, which need to stay functional over long periods. For instance, in emergency medical devices like defibrillators or disaster response tools, the long-term reliability of these batteries is crucial for preparedness and operational efficiency.

CR1616 Battery Comparison

Battery Datasheet	capacity	Operating Temperature	Annual Self-Discharge Rate	Discharge Current
Duracell CR1616	50 mAh over 30kΩ down to 2.0V	-20°C to +60°C	≤1% @20°C	0.1mA std. cont., 2.5mA max. cont., max. 8mA 1s pulse
EEMB CR1616	50 mAh	-20°C to +60°C	≤3%	-
Energizer CR1616	60 mAh over 30kΩ down to 2.0V @21°C	-30°C to +70°C	~1%	95μA over 30kΩ @21°C, max. 6.6mA 2s pulse over 400Ω
Maxell CR1616	55 mAh	-20°C to +85°C	-	0.1mA std. cont.
muRata CR1616	60 mAh	-30°C to +70°C	≤1%	0.1mA std. cont.
Panasonic CR1616	55 mAh	-30°C to +85°C	-	95μA over 30kΩ @20°C
Renata CR1616	50 mAh	-40°C to +85°C	≤1%	0.1mA std. cont., 1.0mA max. cont.

Panasonic CR1616 Battery:

• Capacity & Performance: Panasonic CR1616 offers a capacity of 55 mAh.
• Operational Range: It operates effectively across a wide temperature range.
• Current Specifications: Standard continuous discharge current is 0.1 mA.
• Applications: Suitable for remote keyless entry systems and credit card devices.
• Quality Assurance: Panasonic’s commitment to quality ensures reliable performance in both consumer electronics and industrial applications.

One might ponder, is a mere 55 mAh capacity sufficient for demanding applications? Upon further reflection, Panasonic’s expansive temperature range management suggests a nuanced balance between capacity and operational stability.

Duracell CR1616 Battery:

• Capacity: Provides 50 mAh.
• Current Design: Designed for a continuous drain current of 0.1 mA and can reliably deliver 2.5 mA and 8 mA pulses.
• Use Cases: Frequently used in memory backup batteries and devices requiring high peak currents.
• Reliability: Consistent reliability across a range of devices.

Duracell’s promise of delivering pulse currents as high as 8 mA poses an intriguing question: How does this translate to performance in high-demand devices? My insights suggest that such a robust design indeed ensures reliability and efficiency in burst-mode operations.

Energizer CR1616 Battery:

• Capacity & Rate: Offers 60 mAh with a low self-discharge rate.
• Temperature Management: Operates over a wide temperature range.
• Special Features: Ideal for ultra-low discharge applications and those requiring pulse currents.
• Innovation: Energizer’s innovation in battery technology ensures long-lasting power and dependable performance.

Reflecting on Energizer’s capacity, the 60 mAh combined with a low self-discharge rate raises the question: Could this be the best choice for applications with infrequent battery replacements? The evidence suggests it’s ideally suited for specific medical devices and IoT sensor nodes.

Practical Insights and Recommendations

Comparing the subtle differences among these batteries brings us to a deeper understanding. Specific Application Needs:

• Panasonic’s balanced performance is ideal for remote keyless entry systems.
• Duracell’s robust design suits devices requiring stable high pulse currents.
• Energizer’s low self-discharge rate is advantageous for applications like certain medical devices or sensor nodes in IoT systems.

Environmental Factors: Temperature extremes and storage conditions can significantly impact battery longevity and performance. Reflecting on this:

Can one overlook the operational environment while selecting a battery? My observations confirm this is a significant consideration, aligning the battery’s characteristics with the specific operational demands of the device ensures reliability.

While all three batteries showcase unique strengths, aligning the choice with the specific energy demands and usage environments of your devices will yield the best results. This nuanced approach ensures optimal performance and longevity tailored for professional and personal needs.

Safety Concerns with CR1616 Batteries

CR1616 batteries, while free from toxic heavy metals, present a hidden danger due to their compact, coin-shaped design. What if a child or pet swallows one? The result can be severe chemical burns or physical injuries. This risk is why manufacturers package these batteries in child-resistant packaging, often requiring tools to open. But is this enough? If accidental ingestion occurs, contacting emergency services immediately remains crucial, and one should follow their instructions without delay.

Real-World Implications of Accidental Ingestion

In practical scenarios, incidents involving battery ingestion have shown us the urgency of timely medical intervention. How are emergency responders prepared for such events? They have specific procedures tailored to handle these situations, showcasing the importance of quick action. This real-world evidence underscores the value of child-resistant packaging and highlights the necessity of proper storage and disposal of batteries to prevent accidental ingestion.

Selecting Reliable Brands for Safety and Performance

When looking for a CR1616 battery for devices such as:

• Car keys
• Watches
• TV remotes

Opt for reputable brands like Panasonic, Duracell, and Energizer. Why these brands? They guarantee not only high-quality performance but also strict adherence to safety standards, minimizing potential risks. Opting for well-known brands is a practical choice backed by extensive user experience and reliability, ensuring both safety and efficiency in everyday use.

Frequently Asked Questions [FAQ]

1. What Batteries Can Replace CR1616?

Have you ever wondered what could replace a CR1616 battery? Though any non-rechargeable lithium button cell with dimensions of 3.0 x 16 mm and a nominal voltage of 1.6V can technically serve as a replacement, certain contexts require more scrutiny. For applications demanding high discharge rates, a manganese dioxide lithium battery is preferable. Why is this the case? The manganese dioxide lithium variant offers superior chemical stability and can sustainably handle higher loads. Curious about its practical implications? It's not uncommon to find these substitutions in various consumer electronics, where maintaining reliability under varying loads proves essential.

2. CR1616 vs. CR1620: Can CR1620 Replace CR1616?

What about the CR1620? Could it substitute for the CR1616? Generally, these two batteries aren't interchangeable due to size discrepancies, potentially causing contact issues. But what if the CR1620 fits snugly within the CR1616 battery compartment? Then, one might consider using it at their own risk. Technicians in the field frequently underscore the importance of verifying battery fitment to avoid potential device malfunctions or compromised performance. Isn't it interesting how tiny mismatches can lead to significant operational problems?

3. CR1616 vs. CR1632: Can I Use CR1616 Instead of CR1632?

Can a CR1616 replace a CR1632 battery? The straightforward answer is no. What makes this impossible? The height difference—the CR1632 is twice as thick as the CR1616—introduces installation and operational challenges. Device designers and engineers often stress the necessity of adhering to specified battery dimensions. Why this emphasis? Any deviation could result in damage or suboptimal device performance. Imagine the costly repairs due to such simple oversights!

4. Can CR2032 Replace CR1616?

Is there any way a CR2032 can replace a CR1616? Unfortunately, the answer is no. The CR2032 measures 20 x 3.2 mm, compared to the 16 x 1.6 mm size of the CR1616. This size mismatch renders them incompatible. Why does this matter? Historical data spanning various industries, from consumer electronics to medical devices, underscore the significance of strict adherence to specified component sizes. Could disregarding these specifications compromise device reliability and safety? Absolutely!