Introduction
The Bluetooth Headset 250mAh Battery utilizes 3.7V lithium polymer (LiPo) technology, providing a power solution for portable audio devices.
Advantage
High Energy Density
Made with high-performance lithium polymer materials, it stores more energy in a compact size, extending playback or talk time by 10%-20% compared to batteries of the same size.
Fast Charging
Supports 1C fast charging, fully charging in just 2 hours.
Safe and Durable
Passed a 1-meter drop test with no leakage and can still discharge normally at -10℃.
Specification
|
Items |
Specifications |
|
Batteries |
3.7v 250mah lipo battery |
|
Charge voltage |
4.2V |
|
Nominal voltage |
3.7V |
|
Nominal capacity |
280mAh 0.2C Discharge |
|
Charge current |
Standard Charging: 0.5C Rapid charge: 1.0C |
|
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 |
|
Charging time |
Standard Charging: 2.75hours(Ref.) Rapid charge: 2hours(Ref.) |
|
Max. charge current |
1.0C |
|
Max. discharge current |
1.0C |
|
Discharge cut-off voltage |
2.75V(0.2C) |
|
Operating temperature |
Charging: 0 °C ~45 °C Discharging:0 °C ~45 °Carging: 0 °C ~45 °C |
|
Discharging:Storage temperature0 °C ~45 °C |
-10°C~ +45 °C |
|
Dimension |
Length: 50±2mm (not including tabs) Width: 20±0.5mm Thickness:10±0.2mm |
|
Drop Test |
The cell is to be dropped from a height of meters twice onto concrete ground. No fire, no leakage |
|
Cycle time |
≥300times |
Customization
| Customizable Item | Customizable Option |
|---|---|
| Cell Size | Length, width, and thickness are adjustable; supports round or irregular soft pack shapes |
| Voltage & Capacity | 3.7V / 3.8V / 4.2V; capacity adjustable from 200–300mAh |
| Discharge & Fast Charging | Discharge rate 1C–3C; fast charging supported |
| Protection Circuit | Optional PCM/BMS; supports overcharge, over-discharge, overcurrent, and short-circuit protection |
| Interface & Tabs | Tab material, length, and connector type are customizable |
| Appearance | Surface printing or labeling |
Why Partner with Us
Large-Scale Production Capacity
Our daily production capacity reaches 600,000 units, with an annual output of approximately 120 million polymer lithium batteries, capable of stably meeting the demands of large-volume orders.
Dedicated R&D Strength
We have established a research and development center. Our core team possesses over 10 years of industry experience, enabling us to conduct product development and provide technical support based on market and customer needs.
Integrated Industrial Park
We own an 80-acre technology park, and in 2024, we completed a 200,000㎡ automated cleanroom, achieving integrated operation of R&D, production, and sales.
Certifications
We hold CCC certification, ISO 9001 quality system certification, KC certification, UL certification, RoHS compliance, two invention patents, and one utility model patent.
FAQ
Q: What's the MOQ?
A: In stock, the MOQ is 2-10pcs.
Out of stock, we can ship 1pc to you as a sample.
Quantity orders have a better price. We will check the best price for you.
Q: What are your warranty and after-sales services?
A: 12-month warranty for all electronics.
We offer technical support and training services (if needed).
Q: What is the lead time?
A: We will arrange the goods for you as soon as possible.
Normally, around 3-5 days.
When there is an out of stock, the lead time will be 10-15days.
Q: How will the goods be delivered?
A: Normally, by DHL/ TNT/FEDEX UPS Air transport line, etc.
We can also ship to your own freight forwarding.
As long as the goods are shipped out, we will offer you the goods' package pictures and tracking No.
Q: How about the after-sales service?
A: After-sales service can be contacted by the trade manager, email, and WeChat. It will be available 24 hours online.
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