Introduction
The Bluetooth Headset 280mAh Battery is small, high in energy density, and offers stable performance, supporting long talk times and standby time, providing reliable power for small wearable devices.
Advantage
High Energy Density
Compact yet with a capacity of 280mAh, providing longer battery life for Bluetooth headsets and portable devices.
Safe and Reliable
The 280mAh lithium polymer (LiPo) battery has passed drop tests and high/low temperature condition verification, preventing leakage or fire.
Precise Dimensions
Battery dimensional tolerances are strictly controlled within ±0.2mm, avoiding assembly difficulties or device loosening caused by size mismatches.
Specification
|
Items |
Specifications |
|
Batteries |
3.7v 280mah 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 |
Packaging & Shipping
We provide international logistics services and support DHL/TNT/FEDEX/UPS air transport lines.
Company Strengths
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.
Certifications
We hold CCC certification, ISO 9001 quality system certification, KC certification, UL certification, RoHS compliance, two invention patents, and one utility model patent.
Complete Product Range
Our product range covers multiple models from the 30 series to the 11 series, supporting fast charging and 1–3C series, and we can provide customized models according to customer requirements.
FAQ
Q: Does this battery support fast charging?
A: Yes, the standard charging current is 0.5C, and the fast charging current can reach 1C, which can meet emergency charging needs.
Q: What is the battery life?
A: It maintains good performance after ≥300 standard charge-discharge cycles, proving its durability and stability.
Q: What is the operating temperature range?
A: It can operate normally in environments from 0°C to 45°C, and the storage temperature range is -10°C to +45°C, making it suitable for various environments.
Q: Can battery specifications be customized?
A: Yes. We support customization of size, voltage, capacity, interface, terminals, protection functions, and brand packaging to meet OEM/ODM requirements.
Q: How do I determine if the battery is suitable for my product?
A: Please provide the size restrictions, voltage requirements, and discharge power of your device. We can provide you with the most suitable battery solution, ensuring both performance and safety.
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