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Include WithWhat is CR2477 Battery? A Comprehensive Guide
The CR2477 battery is a lithium coin cell known for its high capacity and compact design. Widely used in devices requiring long-lasting power, this battery combines reliability with advanced chemistry. This article explores its specifications, applications, and key considerations.
Nomenclature
The CR2477 follows the standard naming convention for button cells:
C: Lithium chemistry (Lithium Manganese Dioxide).
R: Round shape.
24: Diameter in millimeters (24.5mm actual).
77: Height in tenths of a millimeter (7.7mm).
Technical Specifications
Voltage: 3V nominal.
Capacity: ~1000mAh (varies by manufacturer).
Dimensions: 24.5mm (diameter) × 7.7mm (height).
Weight: ~10 grams.
Operating Temperature: -30°C to 60°C.
Shelf Life: Up to 10 years (1% annual self-discharge).
Chemistry and Construction
Anode: Lithium metal.
Cathode: Manganese dioxide.
Electrolyte: Lithium salt in organic solvent.
Housing: Stainless steel with insulating gasket.
Applications
Medical Devices: Glucose monitors, thermometers.
Consumer Electronics: Key fobs, calculators, LED lights.
Industrial: IoT sensors, security tokens, RFID tags.
Automotive: Backup power for ECUs, sensors.
Key Features
High Energy Density: Long runtime in compact form.
Stable Voltage: Consistent output until depletion.
Leakage Resistance: Safe for sensitive electronics.
Wide Temperature Range: Reliable in extreme conditions.
Comparison with Similar Batteries
| Model | Diameter (mm) | Height (mm) | Capacity (mAh) | Common Uses |
|---|---|---|---|---|
| CR2032 | 20 | 3.2 | 220 | Watches, motherboards |
| CR2450 | 24 | 5.0 | 550 | Medical devices, sensors |
| CR2477 | 24.5 | 7.7 | 1000 | High-drain IoT devices |
Safety Considerations
Ingestion Risk: Keep away from children; can cause severe injury if swallowed.
Non-Rechargeable: Charging may lead to leakage or explosion.
Proper Disposal: Recycle via designated facilities to prevent environmental harm.
Environmental Impact
Recycling: Lithium batteries require specialized recycling to recover metals.
Regulations: Follow local guidelines for disposal to minimize ecological impact.
Market Availability
Brands: Panasonic, Energizer, Duracell, Sony.
Purchasing: Available online (Amazon, eBay) and at electronics retailers.
Installation Tips
Polarity: Ensure correct orientation (+ side up).
Handling: Use gloves/tweezers to avoid short circuits.
Compatibility: Verify device specifications for size and voltage requirements.
Conclusion
The CR2477 battery excels in high-capacity applications where space and longevity are critical. Its robust chemistry and reliability make it ideal for medical, industrial, and consumer electronics. Users should prioritize safety and environmental guidelines to maximize its benefits responsibly.
By understanding its specifications and applications, consumers and engineers can effectively leverage the CR2477 for optimized device performance.
Kevin Chen
Founder / Writer at Rantle East Electronic Trading Co.,Limited
I am Kevin Chen, I graduated from University of Electronic Science and Technology of China in 2000. I am an electrical and electronic engineer with 23 years of experience, in charge of writting content for ICRFQ. I am willing use my experiences to create reliable and necessary electronic information to help our readers. We welcome readers to engage with us on various topics related to electronics such as IC chips, Diode, Transistor, Module, Relay, opticalcoupler, Connectors etc. Please feel free to share your thoughts and questions on these subjects with us. We look forward to hearing from you!
