Shenzhen Jianheng Technology Co., Ltd.
| 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 |
| Brand Name | OiD |
| Model Number | INR21700E40JH |
| Certification | Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards. |
| Place of Origin | China |
View Detail Information
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Product Specification
| 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 |
| Brand Name | OiD | Model Number | INR21700E40JH |
| Certification | Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards. | Place of Origin | China |
| High Light | 3C Discharge 21700 Battery ，500 Cycles 3.6 V 4000mAh Battery ，3.6 V 4000mAh Battery Compact | ||
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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2020
Total Annual:
15000000-20000000
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Our Mission: Original Innovation, Power the Future! As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosop... Our Mission: Original Innovation, Power the Future! As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosop...
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