Introduction
This 3.7 V 240mAh lithium-ion polymer battery is a compact and lightweight power solution that provides continuous and stable power support for a variety of small devices.
Advantage
Stable Output
Provides a stable 3.7V output, ensuring smooth operation of Bluetooth headsets and wearable devices.
Long Cycle Life
This battery supports over 300 discharge cycles while maintaining stable capacity, ensuring long-term device reliability.
High Compatibility
Customizable in size, voltage, capacity, and protection circuitry, it easily adapts to various Bluetooth headsets, wearable devices, and small electronic products.
Specification
|
Items |
Specifications |
|
Batteries |
3.7v 240mAh lipo battery |
|
Charge voltage |
4.2V |
|
Nominal voltage |
3.7V |
|
Nominal capacity |
250mAh 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 |
110X60X12 cm |
|
Single gross weight |
2.000 kg |
Lead Time
|
Quantity (pieces) |
1 - 10000 |
> 10000 |
|
Lead time (days) |
3 |
To be negotiated |
Why We Are the Leading Manufacturer
Large-Scale Production Capacity
By 2024, our daily production capacity will reach 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 an R&D center, including more than 40 technical and engineering personnel. The core team has over 10 years of industry experience, enabling them to develop products and provide technical support based on market and customer needs.
High-Precision Equipment
The factory is equipped with hundreds of high-precision production and testing equipment, covering key processes such as cell manufacturing, packaging, and testing.
Multiple 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: Can you provide OEM/ODM customization services?
A: Yes, we provide worldwide OEM customization, including cell dimensions, voltage, capacity, discharge rate, protection circuit, and connectors to meet different product needs and applications.
Q: Could I get a sample for checking the quality?
A: Sample testing is available. Please click here to get the sample policy.
Q: What's the lead time of production?
A: It depends on the order quantity. Normally, the lead time is about 5-7 working days for a mass order.
Q: What kinds of payment can I pay with?
A: L/C, T/T Bank transfer, Paypal, Western Union, Alibaba Trade Assurance.
Q: How about the warranty time?
A: Our products come with a 12-month warranty, 100% replacement for free if a quality problem occurs.
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