3.2V 15000mAh 30A Discharge Current LiFePO4 Battery
Key Specifications
| Model |
IFR32140E150LU30 |
| Battery Type |
32140 Cylindrical LiFePO4 |
| Nominal Capacity |
15000mAh (Min: 14800mAh) |
| ODM Service |
Free custom design for battery packs |
| Charge/Discharge Current |
15A / 30A |
| Dimensions |
33.2×140mm (High integration efficiency) |
Primary Applications
- E-bike & E-scooter: High-capacity power source for long-range electric mobility
- Solar Street Light: Reliable energy storage for off-grid lighting systems
- Energy Storage Systems: Residential and commercial backup power solutions
- Industrial Equipment: Supports high-power tools and machinery
Technical Specifications
| Nominal Voltage |
3.2V |
| Discharge Cut-off Voltage |
2.0V |
| Charge Voltage Limit |
3.65V |
| Max Continuous Charge Current |
15000mA (1C) at 25±2°C |
| Max Continuous Discharge Current |
30000mA (2C) at 25±2°C |
| Internal Resistance |
≤3mΩ (AC, 1kHz) |
| Weight |
295±10g |
Performance Advantages
- Extended Runtime: 15000mAh nominal capacity
- Energy Efficient: Low internal resistance (≤3mΩ)
- Thermal Stability: Maintains performance under high discharge currents
- Safety Certified: Passes overcharge, short-circuit, and vibration tests
- Space-Saving: Compact cylindrical form factor
Cycle Life Performance
| Test Condition |
Performance |
| 0.5C Charge / 0.5C Discharge |
≥80% capacity after 2000 cycles |
| 0.5C Charge / 1C Discharge |
≥80% capacity after 1500 cycles |
| 0.5C Charge / 1.5C Discharge |
≥80% capacity after 1000 cycles |
Discharge Characteristics
Operating Temperature Range
| Mode |
Temperature Range |
Notes |
| Charge |
0°C to 60°C |
Reduced efficiency below 0°C |
| Discharge |
-20°C to 60°C |
Maintains 98% capacity at -20°C |
| Storage |
-20°C to 25°C (1 year) |
≤3% monthly self-discharge |
Safety & Compliance
Certified to UN38.3, CE, RoHS, and IEC 62133 standards.
Usage Precautions
- Do not disassemble or expose to water
- Use only with 3.65V CC/CV chargers (cut-off: 0.01C)
- Avoid mechanical stress or welding outside designated areas
Storage Recommendations
- Short-term (≤3 months): Store at 3.4-3.6V, 25±5°C
- Long-term (1 year): Store at 30% SOC, -20°C to 25°C
Warranty Information
24-month warranty against manufacturing defects. Not liable for misuse (e.g., overdischarge below 2.0V or charging above 60°C).
