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.