NMC 21700 Battery 5500mAh 3.6V 11A Discharge Li-Ion
INR21700N55JH3 3.6V 5500mAh 11A Discharge 500 Cycles
Product Name
INR21700N55JH8 Li-Ion Battery
Advantages
- Ultra-high capacity (5500mAh)
- High discharge capability (up to 11A continuous)
- Optimized for EB/high-end digital applications
- Superior energy density (275Wh/Kg)
Specifications
|
Item |
Specification |
|
Nominal Voltage |
3.6V |
|
Nominal Capacity |
5500mAh (@0.2C discharge) |
|
Minimum Capacity |
5350mAh |
|
Voltage Range |
2.5V–4.2V |
|
Standard Charge Current |
2.75A (0.5C) |
|
Max. Charge Current |
5A (15°C–45°C), 3A (0°C–15°C)* |
|
Standard Discharge Current |
5.5A (1.0C) |
|
Max. Discharge Current |
11A (2.0C) |
|
Dimensions |
21.65mm (Diameter) × 70.95mm (Height) |
|
Weight |
≤73g |
|
Energy Density |
275Wh/Kg |
Cycle Life
|
Test Condition |
Performance |
|
500 cycles (Standard charge/discharge) |
≥70% of initial capacity retained* |
Discharge Curve
Operating Temperature Range
|
Condition |
Temperature Range |
|
Charging |
0°C to 45°C (Surface: 0°C–50°C)* |
|
Discharging |
-20°C to 60°C (Surface: -20°C–80°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)* |
(*Carried over from previous model where unspecified)
Certifications
- Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Key Features
- Precision Engineering: Tight tolerance (±0.2mm) cylindrical design
- Digital-Ready: Stable voltage output for high-end electronics
- Thermal Resilience: Safe operation across extreme temperatures
Applications
- E-bikes/E-scooters (EB)
- Premium portable electronics
- High-performance flashlights
- Backup power systems
Usage Warnings & Precautions
- Critical: Never exceed 4.2V charge voltage or 2.5V discharge cutoff
- Use only with CC/CV chargers (2.75A standard)
- Avoid stacking batteries without protective casing
Storage Guidelines
- Maintain 10%–35% SOC for long-term storage
- Store in moisture-proof packaging (<50% RH)
Warranty & Disclaimer
- 12-month performance warranty (excludes physical damage)
- Not responsible for misuse including improper charging or mechanical stress
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.