| Categories | 21700 Battery |
|---|---|
| Brand Name: | OiD |
| Model Number: | INR21700E40JH |
| Certification: | Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards. |
| Place of Origin: | China |
| MOQ: | 100pcs |
| Price: | $0.5 ~ $100.0 / pcs |
| Delivery Time: | 3 ~ 7 days for storage |
| Payment Terms: | TT,L/C,Western Union |
| Name: | 21700 Battery |
| ODM: | Free custom design for packs |
| Battery Type: | 4000mAh Rechargeable |
| Cathode: | NCM or NMC |
| Higher Energy Density: | LongerrRuntime for 20-30% more energy than 18650 cells |
| Superior Power Output: | Higher discharge rates (up to 12A) |
| Cost-Effective & Space-Saving: | Reduce pack weight and cost by requiring fewer cells in series and parallel |
| Future-Proof: | Ensure compatibility with next-gen tech for high-demand applications |
INR21700E40JH 3.6V 4000mAh 3C Discharge 500 Cycles
Product Name
INR21700E40JH Lithium-Ion Rechargeable Battery
Advantages
Specifications
Parameter | Value | Conditions |
Nominal Voltage | 3.6V | - |
Nominal Capacity | 4000mAh | 0.5C charge, 1C discharge, 2.75V cut-off |
Minimum Capacity | 3900mAh | - |
Energy Density | 215Wh/kg | - |
Internal Resistance | ≤25mΩ (AC, 1000Hz) | - |
Charge Cut-off Voltage | 4.20V | - |
Discharge Cut-off Voltage | 2.75V | - |
Standard Charge Current | 0.5C (2000mA) | CCCV, 4.2V, 80mA cut-off |
Standard Discharge Current | 1C (4000mA) | - |
Max Charge Current | 1C (4000mA) | 45°C ≥ T ≥ 15°C |
0.5C (2000mA) | 15°C ≥ T ≥ 5°C | |
0.1C (400mA) | 5°C ≥ T ≥ 0°C | |
Max Discharge Current | 1C (4000mA) | 60°C ≥ T ≥ 45°C |
2C (8000mA) | 45°C ≥ T ≥ 35°C | |
3C (12000mA) | 35°C ≥ T ≥ 0°C | |
1C (4000mA) | 0°C ≥ T ≥ -20°C | |
Dimensions | 21.65±0.2mm (D) × 70.95±0.2mm (H) | - |
Weight | ≤71g | - |
Cycle Life
Test Condition | Performance |
0.5C/1C charge/discharge (4.2V–2.75V) | ≥80% capacity retention after 300 cycles |
≥70% capacity retention after 500 cycles |
Discharge Curve
Operating Temperature Range
Mode | Temperature Range | Notes |
Charging | 0°C to 45°C | Optimal: 15°C–45°C |
Discharging | -20°C to 60°C | Max surface temp ≤70°C during discharge |
Storage | -20°C to 40°C (short-term) | Long-term storage: 10%–35% SOC at 20°C |
Certifications
Key Features
Applications
Usage Warnings & Precautions
Storage Guidelines
Warranty & Disclaimer
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