3.7V 140mAh Lithium Polymer Battery 300 Cycles -20°C to 60°C
Product Name:
OiD601818-140 Lithium Polymer Battery
Advantages:
- Compact and lightweight design
- High energy density for extended usage
- Long cycle life with reliable performance
- Safe and stable operation under various conditions
Specifications:
|
Parameter |
Value |
|
Model |
OiD601818-140 |
|
Nominal Voltage |
3.7V |
|
Capacity |
140mAh (Typical), 135mAh (Minimum) |
|
Charging Voltage |
4.2V ± 0.1V |
|
Discharge Cut-off Voltage |
3.0V |
|
Standard Charge Current |
27mA (0.2C) |
|
Max Charge Current |
202.5mA (1.5C) |
|
Standard Discharge Current |
27mA (0.2C) |
|
Max Discharge Current |
270mA (2.0C) |
|
Weight |
Approx. 3.0g |
|
Impedance |
≤280mΩ |
|
Shipment Voltage |
4.0V ± 0.05V |
Cycle Life:
|
Condition |
Cycle Life |
|
Charge/Discharge Cycles |
300 cycles at 0.2C, 23±2°C |
|
Capacity Retention |
≥80% after 300 cycles |
Discharge Curve:
Operating Temperature Range:
|
Condition |
Temperature Range |
|
Charging |
0°C ~ 50°C |
|
Discharging |
-20°C ~ 55°C |
|
Storage |
-10°C ~ 25°C (12 months, ≥85% capacity), -10°C ~ 45°C (6 months, ≥85%), -10°C ~ 55°C (1 month, ≥90%) |
Certifications:
- Complies with GB/T 18287-2013, IEC/EN61960, and UL1642 standards.
Key Features:
- High capacity and long cycle life
- Built-in protection circuit for overcharge, over-discharge, and short-circuit protection
- Low self-discharge rate
- RoHS compliant
Applications:
- Wearable devices
- Medical devices
- IoT devices
- Consumer electronics
- Small portable devices
Usage Warnings & Precautions:
- Do not short-circuit the battery terminals.
- Avoid exposing the battery to high temperatures or direct sunlight.
- Use only the specified charger for charging.
- Do not disassemble or modify the battery.
- In case of leakage, odor, or swelling, stop using the battery immediately and dispose of it properly.
Storage Guidelines:
- Store the battery at 20±5°C for optimal performance.
- If storing for more than 3 months, charge the battery to 60% capacity every 3 months.
- Avoid storing the battery in high humidity or extreme temperatures.
Warranty & Disclaimer:
- 12-month warranty from the date of shipment.
- The warranty does not cover damage caused by improper use, mishandling, or unauthorized modifications.
- For any special requirements or conditions not covered in this specification, please contact us for customized solutions.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


