The 25mAh 3.7V Bluetooth Headphone Polymer Lithium Battery is a small lithium polymer battery available for bulk orders and customization, suitable for Bluetooth headsets and portable electronic devices.
Product Features
High Energy Density Battery Life
The 25mAh 3.7V Bluetooth Headphone Polymer Lithium Battery uses high-performance lithium polymer material, providing 4-5 hours of stable power for Bluetooth headsets despite its small size.
High Temperature Resistance
Utilizing heat-resistant polymers and separator materials, it can operate stably in environments up to 60℃, ensuring safe device operation.
Customizable
Capacity, size, and interface can be adjusted according to device requirements.
Fast Charging
Supports 0.5C standard and 1.0C fast charging, fully charging in approximately 30-40 minutes.
Why We Are the Leading Manufacturer of 25mAh 3.7V Bluetooth Headphone Polymer Lithium Battery
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.
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.
Wide Application Areas
Products are widely used in Bluetooth headsets, smart wearables, smart homes, smart healthcare, GPS, drones, small lighting, and many other fields.
Strict Quality Control
Comprehensive quality control throughout the entire process, including raw material selection, production process monitoring, 100% functional testing, multi-dimensional structural inspection, and pre-shipment aging testing, ensuring the safety and reliability of every battery.
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: What is the delivery time for bulk orders?
A: 2–7 days for in-stock items, approximately 25–30 days for mass production.
Q: Is the battery capacity accurate?
A: Yes, test data is provided; the actual capacity is usually higher than the nominal capacity.
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: What devices can this battery be used with?
A: The 25mAh 3.7V Bluetooth Headphone Polymer Lithium Battery is suitable for Bluetooth headsets, smart bracelets, GPS trackers, and mini smartwatches.
Q: How do I install the battery?
A: Insert it into the device's battery compartment with the positive and negative terminals aligned, and gently press it in.
Q: How long does it take to charge?
A: Standard 0.5C charging takes approximately 3.5 hours; fast charging 1.0C can fully charge it in 30-40 minutes.
Q: Can I replace the original battery?
A: Yes, the size can be customized, and it is compatible with most Bluetooth headsets.
Q: Is it short-circuit protected?
A: Yes. It has built-in short-circuit protection; the 25mAh 3.7V Bluetooth Headphone Polymer Lithium Battery effectively prevents damage caused by short circuits.
|
Item |
Specifications |
|
Charge voltage |
4.2V |
|
Nominal voltage |
3.7V |
|
Nominal capacity |
25mAh 0.5C Discharge |
|
Charge current |
Standard Charging：0.5C Rapid charge：1.0C |
|
Discharge current |
Standard discharging：0.5C Rapid discharging：1.0C to ≤ 0.01C |
|
Standard Charging method |
0.5C CC(constant current)charge to4.2V,then CV(constant voltage 4.2V)charge till charge current decline to ≤0.02C |
|
charging Time |
Standard Charging ：3.5 hours |
|
Standard discharge method |
0.5C CC(constant current)discharge to Min Discharge cut-off voltage(3.3) |
|
Operating temperature |
Charging ：0℃~45℃ Discharging ：-20℃~60℃ |
|
Storage temperature |
-20℃~ +45℃ |
|
Storage humidity |
45~65%RH |
|
Vibration Test |
After standard charge, fixed the cell to ibration table and subjected to vibration cycling that the frequency is to be varied at the rate of 1Hz per minute between 10Hz and 55Hz, the excursion of the vibration is 1.6mm.The cell shall be vibrated for 30 minutes per axis of XYZ axes. |
|
Drop Test |
The cell is to be dropped from a height of meter twice onto concrete ground .no fire, no leakcage |
| Cycle time | ≥300times ≥300 |
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