Product Categories

Special Battery

[6]

Contact Now

Shenzhen Jianheng Technology Co., Ltd.

Visit Website

City:shenzhen

Country/Region:china

Contact Person:MrAlan Yuan

View Contact Details

Contact Now

China 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance wholesale

21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance

Ask Latest Price

Video Channel

Brand Name :OiD

Model Number :JH21700-5000

Certification :Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.

Place of Origin :China

MOQ :100pcs

Price :$0.6 ~ $1.5

Payment Terms :L/C,T/T,Western Union

Supply Ability :100000

Delivery Time :3 ~ 30 days

Packaging Details :Carton

Name :21700 5000mAh High-Rate Lithium-Ion Rechargeable Cell

ODM :Free Custom Design For Packs

Capacity :5000mAh (nominal), 4900mAh (minimum)

Cathode :Lithium Nickel Manganese Cobalt Oxide (Li-NMC)

Type :Cylindrical Rechargeable Li-ion Cell

Voltage :3.6V (nominal), 4.2V (charge cut-off), 2.75V (discharge cut-off)

Charge :0.5C standard (2500mA), 1C max (5000mA)

Discharge :1C standard (5000mA), 8C max (50000mA)

Operating Temperature :Charge: 0°C to 45°C; Discharge: -20°C to 60°C

Cycle Life :500 cycles (≥70% capacity)

Weight :≤73g

Internal Resistance :≤7mΩ (AC 1000Hz)

Dimensions :21.65x 70.95±0.2mm

Contact Now

Add to Cart

View Product Description

Product Name: 21700 5000mAh High-Rate Lithium-Ion Rechargeable Cell

Key Features:

High-capacity 5000mAh energy storage
Superior discharge performance supporting up to 40A continuous current
Excellent cycle life with ≥70% capacity retention after 500 cycles
Wide operating temperature range (-20°C to 60°C)
Robust safety characteristics meeting international standards

Electrical Specifications:

Parameter	Specification Details
Nominal Capacity	5000mAh
Minimum Capacity	4900mAh
Nominal Voltage	3.6V
Charge Cut-off Voltage	4.20V
Discharge Cut-off Voltage	2.5V
Internal Resistance	≤7mΩ (AC Impedance, 1000Hz)
Standard Charge Current	2.5A (CCCV, 4.2V, 0.1A cut-off)
Standard Discharge Current	5.0A (to 2.5V)
Max Continuous Discharge	40A (at 35°C to 0°C)
Operating Temperature Charge	0°C to 45°C
Operating Temperature Discharge	-20°C to 60°C
Cell Dimensions	21.65±0.2mm (Diameter) x 70.95±0.2mm (Height)
Weight	≤73g

Performance Characteristics:

Discharge Efficiency at Various Currents:

0.2C (1A): 100%
1C (5A): ≥95%
2C (10A): ≥95%
4C (20A): ≥93%
6C (30A): ≥92%
8C (40A): ≥90%

Temperature Performance:

25°C: 100% efficiency
55°C: ≥95% efficiency
-20°C: ≥70% efficiency

Cycle Life & Storage:

Maintains ≥70% capacity after 500 cycles at 15A discharge
28-day storage at 25°C: ≥85% residual capacity, ≥90% recovery capacity
7-day storage at 55°C: ≥85% residual capacity, ≥90% recovery capacity

Safety Compliance:

Overcharge protection: No fire, no explosion
Short circuit protection: No fire, no explosion
Mechanical integrity: Passes drop, crush, and impact tests
Environmental tolerance: Stable performance under low pressure and high temperature conditions

Ideal Applications:

High-power electric tools and equipment
Light electric vehicles and e-mobility systems
Portable medical devices
Backup power systems
Professional-grade electronic equipment

Environmental Compliance: This product meets international standards for hazardous substance restrictions (RoHS compliant).

Note: All specifications are based on testing at 25±2°C and ≤85% relative humidity. Performance may vary based on usage conditions and system configuration. Always refer to the complete technical specification sheet for detailed application guidelines.

This product is designed for professional applications and should be handled by qualified personnel familiar with lithium-ion battery safety protocols.

Inquiry Cart 0