Product Introduction
The Lithium Ion Polymer Battery 3.7 V 500mAh is a high-performance lithium polymer battery suitable for Bluetooth devices, mini fans, electronic toys, and rechargeable lights.
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Items |
Specifications |
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Batteries |
3.7v 500mah lipo battery |
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Charge voltage |
4.2V |
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Nominal voltage |
3.7V |
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Nominal capacity |
280mAh 0.2C Discharge |
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Charge current |
Standard Charging: 0.5C Rapid charge: 1.0C |
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Standard Charging method |
0.5C CC (constant current) charge to 4.2V, then CV (constant voltage 4.2V) charge till charge current decline to ≤0.05C |
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Charging time |
Standard Charging:2.75hours(Ref.) Rapid charge: 2hours(Ref.) |
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Max.charge current |
1.0C |
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Max.discharge current |
1.0C |
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Discharge cut-off voltage |
2.75V(0.2C) |
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Perating temperature |
ChCharging: 0 °C ~45 °C Discharging:0 °C ~45 °Carging: 0 °C ~45 °C |
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Discharging: Storage temperature0 °C ~45 °C |
-10°C~ +45 °C |
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Dimension |
Length: 50±2mm (not including tabs) Width: 20±0.5mm Thickness:10±0.2mm |
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Drop Test |
The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage |
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Cycle time |
≥300times |
Product Features
Fast Charging
Supports 1.0C fast charging, fully charging in approximately 2 hours.
Long Cycle Life
The Lithium Ion Polymer Battery 3.7 V 500mAh has a cycle life of ≥300 cycles and a normal lifespan of over 2 years.
Why We Are the Leading Manufacturer of Lithium Ion Polymer Battery 3.7 V 500mah
Advanced Production Equipment
Equipped with hundreds of high-precision automated machines, including winding machines, mixers, vacuum ovens, automatic slitting machines, and fully automated packaging equipment.
Wide Application Areas
Products are widely used in Bluetooth headsets, smart wearables, smart homes, smart healthcare, GPS, drones, small lighting, and many other fields.
Diverse Product Lines
Offering TWS batteries, 30-90 series, fast charging, 1-3C series, and customized batteries to meet the needs of various end devices.
Comprehensive Certification System
Holding CCC certification, ISO9001 quality system certification, UL certification, KC certification, and RoHS standard certification.
Frequently Asked Questions
Q: Can I place a sample order? What is the sample delivery time?
A: Yes, sample delivery is 3–10 days, allowing for performance and quality testing.
Q: Can you produce with a customer's brand?
A: Yes, OEM/ODM customization is supported.
Q: How is it shipped?
A: DHL/TNT/FedEx/UPS or your preferred freight forwarder. Photos of the packaging and tracking number will be provided.
Q: Which devices is it suitable for?
A: Suitable for portable devices such as smartwatches, mini fans, and Bluetooth headsets.
Q: How to charge the battery?
A: It can be charged using DC 5V. The Lithium Ion Polymer Battery 3.7V 500mAh supports CC/CV standard charging and fast charging.
Q: How to extend battery life?
A: Avoid overcharging, over-discharging, and high-temperature storage.
Q: How to store the battery?
A: It is recommended to store it in a dry environment between 0℃ and 25℃.
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