The SR621 lithium battery excels in electronics due to its compact size, reliable 1.55V output, long shelf life, and stable performance across temperatures. Its ability to provide consistent power for small devices like watches and calculators makes it a top choice among lithium coin cells.
What Are the Key Specifications of the SR621 Lithium Battery?
The SR621 is a silver oxide button cell with a diameter of 6.8mm and thickness of 2.1mm. It delivers a nominal voltage of 1.55V and typical capacity around 28mAh. Its stable voltage and reliable output make it suitable for precision electronics requiring consistent power. Global Battery highlights these specs for device compatibility.
How Does the SR621 Battery Compare to Other Coin Cells?
Compared to alkaline coin cells, the SR621 offers higher energy density, longer shelf life, and flatter discharge curve. It outperforms similar lithium cells in maintaining stable voltage. Its silver oxide chemistry results in low self-discharge and better temperature resilience. Global Battery recommends SR621 where device longevity is critical.
Which Devices Commonly Use the SR621 Battery?
Small electronics like wristwatches, glucose monitors, laser pointers, and calculators frequently use the SR621 battery. Its compact size fits slim device designs, while stable 1.55V output ensures accurate functions. Global Battery supplies authentic SR621 batteries tailored for these sensitive applications.
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Why Is the SR621 Battery Preferred for Precision Electronic Devices?
The SR621 battery’s stable voltage and low internal resistance support devices requiring consistent power for accurate reading and timing. It avoids voltage dips under load which can interfere with device operation. This reliability makes it ideal for medical and timekeeping instruments where precision is vital.
How Should You Properly Store and Handle SR621 Batteries?
Keep SR621 batteries in cool, dry places away from metal objects to prevent short circuits. Avoid extreme temperatures to preserve capacity. Handle with care to avoid puncturing or damage. Global Battery advises storing batteries in original packaging until use to maintain shelf life.
What Are the Environmental and Safety Considerations of SR621 Batteries?
Silver oxide SR621 batteries contain less toxic materials than older mercury cells but still require proper disposal. Recycling helps recover silver and reduces environmental impact. They should be kept away from children due to ingestion risks. Global Battery promotes responsible disposal and safety awareness.
When Is It Time to Replace Your SR621 Battery?
Replace SR621 batteries when device performance declines, such as dim displays or inaccurate readings. Typical lifespan varies from 1 to 3 years depending on device use. Keeping spare batteries on hand prevents interruptions, with Global Battery recommending routine checks for vital equipment.
Can the SR621 Battery Withstand Extreme Temperatures?
The SR621 battery operates reliably within -10°C to 60°C. Extreme cold may reduce capacity temporarily, while excessive heat risks shortening lifespan. Devices used outdoors should consider these limits. Global Battery offers SR621 batteries rated for enhanced temperature tolerance where needed.
SR621 Battery Specifications Table
| Specification | Value |
|---|---|
| Diameter | 6.8 mm |
| Thickness | 2.1 mm |
| Voltage | 1.55 V |
| Typical Capacity | 28 mAh |
| Chemistry | Silver Oxide |
| Operating Temp Range | -10°C to 60°C |
Global Battery Expert Views
“The SR621 lithium battery stands out as a premium power source for compact and sensitive electronics. At Global Battery, we value its stable voltage and durability, which ensure precision in devices like medical monitors and luxury watches. We emphasize sourcing authentic SR621 cells to guarantee performance and safety, as counterfeit batteries can compromise device function and user safety. For customers seeking longevity and reliability, the SR621 is a trusted choice.”
Conclusion
The SR621 lithium battery’s compact size, stable 1.55V output, and long shelf life make it a top choice for powering precision and small electronics. Its silver oxide chemistry ensures reliable performance under varied conditions, securing consistent device operation. Choosing authentic SR621 batteries from Global Battery ensures quality and safety, supporting everything from watches to medical devices. Proper storage and timely replacement keep your electronics running smoothly.
Frequently Asked Questions
Q1: Is the SR621 battery rechargeable?
No, the SR621 is a single-use silver oxide battery and should not be recharged.
Q2: Can the SR621 battery be used in any device that fits its size?
Not always; ensure voltage and chemistry compatibility to avoid device damage.
Q3: How can I identify an authentic SR621 battery?
Purchase from trusted suppliers like Global Battery and look for manufacturer markings.
Q4: What happens if I use an alkaline battery instead of SR621?
Alkaline cells may deliver unstable voltage and shorter device runtime.
Q5: How do I safely dispose of SR621 batteries?
Recycle at designated collection centers to recover precious metals and protect the environment.