21700 2000mAh Li Ion Battery 10C Discharge 500 Cycles
INR21700N20YD 3.05V 2000mAh 10C Discharge 500 Cycles
Product Name
INR21700N20YD Li-Ion Battery
Advantages
- High discharge capability (10C continuous)
- Lightweight design (≤58g)
- Stable performance for high-end digital applications
Specifications
|
Item |
Specification |
|
Nominal Voltage |
3.05V |
|
Nominal Capacity |
2000mAh @ 0.2C |
|
Voltage Range |
1.5V–4.0V |
|
Charge Method |
CCCV, 0.5C (1.0A) to 4.0V |
|
Max. Charge Current |
0.5C (1.0A) |
|
Max. Discharge Current |
10C (20A) |
|
Dimensions |
21.65mm (D) × 70.95mm (H) |
|
Weight |
≤58g |
|
Energy Density |
120Wh/kg |
Cycle Life
|
Condition |
Performance |
|
0.5C/1C Charge/Discharge (4.2V–2.75V) |
≥80% capacity retention after 500 cycles |
Discharge Curve
- 0.2C: 100% capacity
- 1C: ≥95% capacity
- 10C: ≥85% capacity
Operating Temperature Range
|
Mode |
Temperature Range |
|
Charging |
0°C to +45°C |
|
Discharging |
-20°C to +60°C |
|
Storage |
-20°C to +45°C (≤3 months); -20°C to +20°C (3–12 months) |
Certifications
Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Key Features
- Optimized for high-current applications (e.g., power tools, drones).
- Slim cylindrical form factor (21700 standard).
- Low self-discharge rate.
Applications
- Electric bikes (EB)
- High-end digital devices
- Drones and RC models
- Backup power systems
Usage Warnings & Precautions
- Do NOT exceed 4.0V charge voltage or discharge below 1.5V.
- Use protective circuits to manage 10C high-current discharge.
- Avoid exposure to water or extreme temperatures (>60°C).
Storage Guidelines
- Store at 30%–50% SOC in dry environments (0%–50% RH).
- Recharge every 6 months if stored beyond 12 months.
Warranty & Disclaimer
- 1-year limited warranty against manufacturing defects.
- Not liable for misuse, improper storage, or unauthorized modifications.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


