21700 3.6V 5000mAh 40A Li-Ion Battery 500 Cycles
INR21700N50JH8 3.6V 5000mAh 40A Discharge 500 Cycles
Product Name
INR21700N50JH8 High-Rate Li-Ion Battery
Advantages
- High-capacity 5000mAh with superior rate performance
- Ultra-low internal resistance (≤7mΩ)
- Extended cycle life (500 cycles)
- Multi-rate discharge capability (up to 8C/40A)
Specifications
|
Parameter |
Specification |
|
Nominal Voltage |
3.6V |
|
Nominal Capacity |
5000mAh |
|
Minimum Capacity |
4900mAh |
|
Charge Cut-off Voltage |
4.20V |
|
Discharge Cut-off Voltage |
2.5V |
|
Standard Charge Current |
2.5A (0.5C) |
|
Max. Charge Current |
5A (15-45°C), 3A (0-15°C) |
|
Standard Discharge Current |
5.0A (1C) |
|
Max. Continuous Discharge |
40A (8C) @ 35°C≥T≥0°C |
|
Internal Resistance |
≤7mΩ (AC impedance, 1000Hz) |
|
Dimensions |
21.65±0.2mm (D) × 70.95±0.2mm (H) |
|
Weight |
≤73g |
Cycle Life
|
Test Condition |
Performance |
|
500 cycles (2.5A charge / 15A discharge) |
≥70% of initial capacity retained |
|
Charge/Discharge Cut-off |
4.2V / 2.5V, 75°C thermal cut-off |
Discharge Curve
Operating Temperature Range
|
Condition |
Temperature Range |
|
Charging |
0°C to 45°C (Surface: 0-50°C) |
|
Discharging |
-20°C to 60°C (Surface: -20-75°C) |
|
Storage (Short-term) |
-20°C to 40°C (≤3 months) |
|
Storage (Long-term) |
-20°C to 20°C (3-12 months, 10-35% SOC) |
Certifications
- Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards
Key Features
- Multi-Rate Performance: 95% efficiency at 2C (10A), 92% at 6C (30A)
- Thermal Resilience: Stable operation from -20°C to 60°C
- Safety Built-in: Passes overcharge/over-discharge/short-circuit tests
Applications
- High-power tools
- Electric vehicles (EV power systems)
- Industrial equipment
- Energy storage systems
Usage Warnings & Precautions
- Critical: Never exceed 4.2V charge voltage or discharge below 2.5V
- Use only with CC/CV chargers (2.5A standard)
- Terminate discharge if surface temperature exceeds 75°C
Storage Guidelines
- Store at 10-35% SOC in dry environment (0-50% RH)
- Recharge every 12 months for long-term storage
Warranty & Disclaimer
- 12-month performance warranty (excludes physical damage/misuse)
- Not liable for damages caused by improper welding or circuit design
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.