Low Self Discharge Lipo Battery 282028 / 3.7V 140mAh Lithium Polymer Battery for Wearable Devices
Model: UNM282028
Voltage: 3.7V
Capacity: 140mAh
Battery Cell Size: 2.8*20.5*28.5mm
Battery Pack Size: 2.8*20.5*30.5mm
Lipo Batteries Advantages:Large capacity density, small self-discharge, long life, good safety, no memory effect, small thickness, thin, light weight, large capacity, small internal resistance, good discharge characteristics, simple design, shape can be customized
Low Self Discharge Lipo Battery 282028 Description
The 282028 low self-discharge lithium polymer battery operates at 3.7V with a capacity of 140mAh, making it an excellent choice for wearable devices. This battery is designed to maintain its charge over extended periods, ensuring reliable performance for applications like fitness trackers, smartwatches, and health monitors. Its compact size allows for easy integration into sleek and lightweight designs, enhancing user comfort. The low self-discharge feature means less frequent charging is required, which is ideal for wearables that need to operate consistently. Overall, the 282028 battery offers a dependable energy solution for modern wearable technology.
Low Self Discharge Lipo Battery 282028 Parameters
 | Battery Type: Lipo Batteries Configuration: 1S1P Part Number: 282028 Nominal Capacity: 140mAh Nominal Voltage: 3.7V Weight: appr. 4.0g Protection Circuit(PCM): Yes Thermistor(NTC): No(Available) Lead wires: TBD, length: TBD Connector: Supported |
| Item | Description | | Dimension |
| T | Battery pack Thickness max. | Initial | 2.8mm |
| After 500 Cycles | 3.1mm |
| W | Battery Pack Width max. | 20.5mm |
| H | Battery Pack Height max. | 30.5mm |
| A | Wire Length | TBD |
| Connector | Supported | TBD |
| Battery Pack Impedance | ≤160mΩ |
| Item | Parameter |
| Charging Voltage | 4.2V |
| Discharging cut-off Voltage | 3.0V |
| Standard Charging Current | 0.2C/28mA |
| Rapid Charging Current | 1.0C/140mA |
| Standard Discharging Current | 0.2C/28mA |
| Rapid Charging Current | 1.0C/140mA |
| Cell Weight | Appr: 4.0g |
| Shipment Voltage | ≥3.8V (Changeable) |
| Cell Impedance | ≤50mΩ |
| Operating Temperature | Charging: 0°C ~ 45°C |
| Discharging: -20°C ~60°C |
| Visual Inspection | Do not appear such as tear, corrosion, deformation, gas bulge, leakage and other harmful phenomena that damage commercial value. |
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Packaging and Delivery of Lipo Batteries
Precautions for Use
1. Charging: Use a charger designed for polymer lithium batteries. Avoid overcharging.
2. Discharging: Prevent deep discharge by avoiding extremely low voltage levels. Most polymer lithium batteries have built-in protection circuits.
3. Temperature: Operate within the recommended temperature range provided by the manufacturer. Avoid exposing to extreme temperatures.
4. Physical Handling: Handle with care to avoid damage or leakage. Avoid impacts, punctures, or bending.
5. Compatibility: Ensure compatibility with your device in terms of voltage, capacity, and size.
6. Storage: Store in a cool, dry place away from direct sunlight. Avoid storing at full charge or completely discharged.
7. Transportation: Comply with transportation regulations and guidelines.
8. Disposal: Dispose of properly. Recycle at designated facilities or follow local regulations.
After-sales Service
1. After-sales warranty:
- According to the contract, we provide a certain warranty period for the exported lithium polymer batteries.
- During the warranty period, if the product has quality problems under normal use conditions, we will provide replacement or return service according to the after-sales policy.
2. Product quality assurance:
- We guarantee that the exported lithium polymer batteries comply with international quality standards and regulations, and undergo strict quality control and testing to ensure their performance and reliability.
- If you find product quality problems under normal use conditions, please contact us within the contractual warranty period, we will actively deal with it and provide solutions.
3. Problem solving:
- If you encounter any problems or have any complaints during the after-sales service, please contact our customer service team in time.
- We will be happy to provide you with support and actively seek solutions to your problems to ensure your satisfaction and good cooperative relationship.
Our Advantages
◆ Over 10 years of li-polymer battery manufacture & export experience
◆ Professional R&D team supporting
◆ Excellent quality, advanced equipment and competitive prices
◆ Good package, cheap freight cost, faster delivery, best after-sales service
◆ OEM / ODM are welcome, we can customize different size to meet customer's requirements
◆ Long life cycle of charging & discharging
The size of lithium polymer battery can be customized. We have advantage making special Li-Po battery such as extremely thin Li-Po battery , curved battery, high temperature Li-Po battery, low temperature Li-Po battery and special shape Li-Po battery (round)
***Please contact us to get more detailed information and free samples***
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Low Self Discharge Lipo Battery 282028 / 3.7V 140mAh Lithium Polymer Battery for Wearable Devices Images
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