3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge
Brand Name:OiD
Certification:Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Model Number:INR21700D40JH
Minimum Order Quantity:100pcs
Delivery Time:3 ~ 7 days for storage
Payment Terms:TT,L/C,Western Union
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Shenzhen China
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2# Building, Shimao Park, Zhenhuan Rd, Pingshan, Shenzhen, China.
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Product Details
INR21700D40JH 3.6V 4000mAh 45A Discharge 500 Cycles
Product Name
INR21700D40JH High-Rate Lithium-Ion Battery Cell
Advantages
- Optimized for high-power applications like electric vehicle 21700 Li-Ion Battery Cell systems.
- Ultra-low internal resistance (≤15mΩ) for efficient energy delivery.
- Robust safety performance under extreme conditions.
Specifications
Parameter | Value | Conditions |
Nominal Voltage | 3.6V | - |
Nominal Capacity | 4000mAh | 0.5C charge (2A), 1C discharge (4A), 2.5V cut-off |
Minimum Capacity | 3900mAh | - |
Internal Resistance | ≤15mΩ (AC, 1000Hz) | - |
Charge Cut-off Voltage | 4.20V | - |
Discharge Cut-off Voltage | 2.5V | - |
Max Charge Current | 6A | 45°C ≥ T > 15°C |
3A | 15°C ≥ T ≥ 0°C | |
Max Discharge Current | 45A | 80°C cut-off |
Operating Temperature | Charge: 0°C to 45°C | Discharge: -20°C to 60°C |
Cell Surface Temperature | Charge: ≤50°C | Discharge: ≤80°C |
Dimensions | 21.65±0.2mm (D) × 70.95±0.2mm (H) | - |
Weight | ≤71g | - |
Cycle Life
Test Condition | Performance |
4A/20A charge/discharge (4.2V–2.5V) | ≥70% capacity retention after 500 cycles (80°C cut-off) |
4A/30A charge/discharge (4.2V–2.5V) | ≥70% capacity retention after 300 cycles (80°C cut-off) |
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 ≤80°C during discharge |
Storage | -20°C to 40°C (short-term) | Long-term: 10%–35% SOC at 20°C |
Certifications
- Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Key Features
- High-Rate Performance: Supports 45A continuous discharge for electric vehicle 21700 Li-Ion Battery Cell systems.
- Safety: Protections against overcharge, over-discharge, and overheating.
- Durability: Reliable operation in extreme temperatures (-20°C to 80°C).
Applications
- Electric vehicles (EVs) and hybrid systems
- High-power tools
- Energy storage systems
Usage Warnings & Precautions
- Do not exceed 4.2V charge voltage or 2.5V discharge cutoff.
- Avoid temperatures >80°C during discharge.
- Use only with compatible CCCV chargers (4.2V max).
Storage Guidelines
- Store at 10%–35% SOC in dry conditions (0%–50% RH).
- Recharge every 12 months for long-term storage.
Warranty & Disclaimer
- 1-year warranty for manufacturing defects.
- Not liable for misuse, improper assembly, or unauthorized modifications.
3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge
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