Introduction
This 300mAh Bluetooth Headset battery uses lithium polymer material, making it compatible with compact earphone housings.
Advantage
Supports Fast Charging
Supports 1.0C fast charging, reducing charging time by approximately 30% compared to traditional earphone batteries.
Slim and Lightweight
The soft-pack design is small and lightweight, making it easy to integrate into TWS, over-ear, or in-ear Bluetooth earphone housings.
Multiple Safety Designs
Passed drop tests and basic safety verifications, effectively reducing the risks of leakage, bulging, and overheating.
Specification
|
Items |
Specifications |
|
Batteries |
3.7v 300mah 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 |
ChCharging: 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 |
Delivery
|
Selling Units |
Single item |
|
Single package size |
24.29X5.78X5 cm |
|
Single gross weight |
1.500 kg |
Lead Time
|
Quantity (pieces) |
1 - 1000 |
> 1000 |
|
Lead time (days) |
30 |
To be negotiated |
Why Choose 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
The company has 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.
High-Precision Equipment
Our factory is equipped with hundreds of high-precision production and testing devices, covering key processes such as cell manufacturing, packaging, and testing.
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 months 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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