Introduction
The 3.7V 240mAh Lithium-ion Polymer Battery is a small-capacity 3.7V lithium polymer battery suitable for providing stable power to low-power electronic devices, such as smartwatches and Bluetooth headsets.
Parameter
|
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 |
Features of Lithium Ion Polymer Battery 3.7 V 240mah
Supports OEM Customization
Customizable dimensions, wiring, connectors, and protection boards to meet the structural requirements of various devices.
Excellent Batch Consistency
Manufactured using graded and screened battery cells, ensuring minimal variation in capacity and voltage within the same batch-ideal for large-scale assembly production.
Enhanced Safety
Features an optional PCM (Protection Circuit Module) structure, offering protection against overcharging, over-discharging, and short circuits to mitigate risks associated with abnormal usage.
Versatile Application Compatibility
Suitable for use in small electronic devices such as smart wearables, medical equipment, IoT sensors, and more.
Compliant with Export Standards
Meets lithium battery transport regulations-including UN38.3-making it suitable for international logistics and shipping.
Customization
|
Item |
Customization Options |
|
Wire & Connector |
Different wire lengths and connector types can be selected according to device structure requirements. |
|
Capacity & Dimensions |
Battery capacity and thickness can be adjusted within structural design limits. |
|
PCM Protection Solution |
Protection parameters can be configured according to the electrical characteristics of the end device. |
|
Label & Branding |
Custom printing for labels and brand identification on the battery casing is supported. |
FAQ
Certificate
Certified with ISO9001, UL, KC, CCC, and RoHS certifications, meeting international quality and safety standards.
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