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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.