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:
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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:
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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.