INR21700L40A40 3.6V 4000mAh 40A Discharge 600 Cycles 21700 Battery
Product Name:
INR21700L40A40 21700 Battery
Advantages:
Specifications:
Parameter |
Value |
Model |
INR21700L40A40 |
Nominal Voltage |
3.6V |
Nominal Capacity |
4000mAh |
Positive Electrode Material |
NCA (Nickel Cobalt Aluminum) |
Negative Electrode Material |
Graphite + Silicon |
Dimensions (Diameter x Height) |
≤21.30 mm x ≤70.40 mm |
Weight |
≤69.0g |
Volume Energy Density |
574 Wh/L |
Weight Energy Density |
209 Wh/kg |
Internal Resistance |
≤13mΩ |
Charging Cut-off Voltage |
4.20V ± 0.05V |
Discharge Cut-off Voltage |
2.50V |
Maximum Charging Current |
8.0A |
Maximum Continuous Discharge Current |
40A |
Terminal Type |
Standard 21700 Flat Top |
Cycle Life:
Test Condition |
Performance |
4A Charge / 4A Discharge |
600 cycles, capacity retention ≥60% |
6A Charge / 10A Discharge |
400 cycles, capacity retention ≥50% |
Discharge Curve:
Operating Temperature Range:
Parameter |
Range |
Charging Temperature |
0°C to 50°C |
Discharging Temperature |
-40°C to 75°C |
Certifications:
BIS, KC, BSMI, CB, UL, CCC
Key Features:
Applications:
Usage Warnings & Precautions:
Storage Guidelines:
Warranty & Disclaimer:
This product is covered by a limited warranty against manufacturing defects. The warranty does not cover damage caused by misuse, improper handling, or unauthorized modifications. Always follow the manufacturer’s guidelines for safe and optimal use.