3.6V 4000mAh 18650 Low Temperature Lithium Ion Battery Cell for Industrial Applications
Model: 18650-40MP
Voltage: 3.6V
Capacity: 4000mAh
Key Features: Low Temperature Performance, -40℃ Discharge, High Capacity, High Power Output (3C Pulse Discharge), Stable Performance
Applications: Industrial Equipment, Outdoor Electronics, IoT Devices, Remote Monitoring Systems
Product Specification
| Parameter | Specification |
|---|---|
| Battery Chemistry | Lithium Ion (Li-ion) |
| Battery Type | 18650 Cylindrical Battery Cell |
| Typical Capacity | 4000mAh |
| Nominal Capacity | 3900mAh |
| Nominal Voltage | 3.6V |
| Standard Charging Method | 0.2C constant current constant voltage charging to 4.2V |
| Fast Charging Method | 1C constant current constant voltage charging to 4.2V 25℃ |
| Standard Discharge | 0.2C constant current discharge to 2.5V 25℃ |
| Maximum Discharge Current | 3C (12A) |
| Continuous Discharge Current | 2C (8A) |
| AC Impedance | ≤45mΩ 1kHz |
| Low Temperature Discharge Performance | ≥65% Capacity Retention @ -40℃ |
| Weight | ≤50g |
| Dimension | 18.50 × 65.20mm (D × H) |
Key Features
- Low Temperature Discharge Performance: Maintains ≥65% capacity retention at -40℃ for cold climate and outdoor applications.
- High Capacity 18650 Lithium Ion Cell: Provides 4000mAh high energy capacity in a standard cylindrical battery format.
- High Power Output: Supports up to 3C pulse discharge current (12A) for demanding applications.
- Stable Battery Performance: Optimized internal resistance and reliable discharge characteristics ensure consistent power delivery.
- Compact Cylindrical Design: Suitable for portable devices, industrial equipment, and customized battery packs.
Reliable Battery Supply Chain
With over 10 years of experience in lithium battery solutions, LNC Battery has established a reliable supply chain network with qualified battery cell manufacturers.
We provide customers with consistent-quality lithium ion cells, including standard cylindrical cells and customized battery solutions, supported by professional supplier management and quality control processes.
Whether for industrial equipment, IoT devices, outdoor applications, or energy storage systems, we can help customers select suitable battery cells and provide customized solutions according to voltage, capacity, discharge rate, and application requirements.
