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3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge

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3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge

Brand Name : OiD

Model Number : INR21700D40JH

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 : 3.6 V Lithium Ion 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 45A)

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

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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

3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge

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.

Product Tags:

Safety 3.6 V Lithium Ion Battery

Lithium Ion Battery High Rate

4000mAh Li Ion Battery Safety

3.6V 4000mAh 21700 Lithium Ion Battery 45A Discharge Images

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