21700 5000mAh 15A Lithium Ion Battery with 800 Cycles
INR21700N50JH3 3.6V 5000mAh 15A 800 Cycles Energy Storage 21700 Li-Ion Battery
Product Name
INR21700N50JH3 Li-Ion Rechargeable Battery
Advantages
- High energy density (253Wh/kg)
- Long cycle life with stable performance
- Superior discharge efficiency across various rates
- Robust safety features including overcharge and short-circuit protection
Specifications
|
Parameter |
Value |
Conditions |
|
Nominal Voltage |
3.6V |
- |
|
Nominal Capacity |
5000mAh |
0.2C discharge, 2.5V cut-off |
|
Minimum Capacity |
4950mAh |
- |
|
Energy Density |
253Wh/kg |
- |
|
Internal Resistance |
≤25mΩ (AC, 1kHz) |
- |
|
Charge Cut-off Voltage |
4.20V |
- |
|
Discharge Cut-off Voltage |
2.50V |
- |
|
Standard Charge Current |
0.5C (2500mA) |
CCCV, 4.2V, 0.02C (100mA) cut-off |
|
Max Charge Current |
1C (5000mA) |
15°C–45°C |
|
0.5C (2500mA) |
5°C–15°C |
|
|
0.1C (500mA) |
0°C–5°C |
|
|
Standard Discharge Current |
1C (5000mA) |
- |
|
Max Discharge Current |
3C (15A, non-cyclable) |
15°C–35°C |
|
2C (10A) |
0°C–15°C |
|
|
1C (5A) |
-20°C–0°C |
|
|
Dimensions |
21.65±0.2mm (D) × 70.95±0.2mm (H) |
- |
|
Weight |
≤73g |
- |
Cycle Life
|
Test Condition |
Performance |
|
0.5C/1C Charge/Discharge (4.2V–2.75V) |
≥70% capacity retention after 800 cycles |
Discharge Curve
- Discharge Efficiency:
- 0.2C: 100%
- 0.5C: ≥95%
- 1C: ≥93%
- 2C: ≥90%
Operating Temperature Range
|
Mode |
Temperature Range |
Notes |
|
Charging |
0°C to 45°C |
Optimal: 15°C–45°C |
|
Discharging |
-20°C to 60°C |
Max surface temp ≤70°C during discharge |
|
Storage |
-20°C to 40°C |
≤3 months (long-term: 10%–35% SOC) |
Certifications
Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Key Features
- High Discharge Rate: Supports up to 3C (15A) pulse discharge.
- Wide Temperature Range: Reliable performance in extreme conditions.
- Safety Compliance: Passes stringent tests including drop, heating, and seawater immersion.
- Low Self-Discharge: ≤10% capacity loss after 28 days at 25°C.
Applications
- Energy storage systems
- Electric vehicles (EVs) and e-mobility
- Power tools and industrial equipment
- Backup power solutions
Usage Warnings & Precautions
- Do NOT reverse-charge, over-discharge (<2.5V), or expose to temperatures >70°C.
- Use only with compatible protection circuits to prevent overcurrent/short-circuit.
- Avoid mechanical damage (piercing, crushing).
Storage Guidelines
- Short-term (≤3 months): Store at -20°C–40°C, 10%–35% SOC.
- Long-term (>3 months): Recharge to 10%–35% SOC every 12 months.
Warranty & Disclaimer
- 1-year warranty for manufacturing defects (excludes misuse or improper assembly).
- Not liable for damages from unauthorized modifications or non-compliant usage.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.