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3.55V 6.5Ah 6500mah Lithium NMC 21700 High capacity Battery Cell

Hot Product

3.55V 6.5Ah 6500mAh Lithium NMC 21700 Battery Cell with high capacity and energy density, 4C discharge rate for Intelligent Robot, Electric Motorcycle, Electric Scooter, etc.

Individual pricing for large scale projects and wholesale demands is available.

Mobile/WhatsApp/Wechat: +86 156 0637 1958
Email: info@evlithium.com

Description

The N21700CX-65E 21700 6500mAh Lithium rechargeble cylindrical battery cell features upgraded silicon-carbon anode material, greatly improving single-cell energy density up to 315Wh/kg. Compared with traditional graphite 21700 cells, this model delivers over 15% higher capacity while maintaining excellent power output performance.

Features

High Capacity for Ultra-Long Standby
Excellent Safety Performance
Long Cycle Ensures Longer Service Life
Excellent Low-Temperature Adaptability

Specifications

Model	N21700CX-65E
Electrochemical System	High-Ni Ternary + Silicon Carbon Composite Anode
Dimension (mm)	Diameter: 21.30±0.15Height: 70.50±0.25
Nominal Voltage	3.55V
Typical Capacity (0.2C)	6500mAh (6.5Ah)
Minimum Capacity	6350mAh (6.35Ah)
Single Cell Energy	22.75Wh
Charge Cut-off Voltage	4.20V
Discharge Cut-off Voltage	2.50V
Standard Charge Current	0.5C (3250mA)
Max Charge Current	2C (13000mA)
Standard Discharge Current	0.2C (1300mA)
Max Continuous Discharge Current	4C (26000mA / 26A)
Internal Resistance	≤8mΩ
Single Cell Weight	75g
Cycle Life	≥500 cycles (80% capacity retention)
Operating Temperature	Charge: 0℃ ~ 55℃Discharge: -20℃ ~ 70℃
Certifications	GB / UN38.3 / UL / CB / PSE / BIS

21700 6500mah lithium battery cell

Applications

Portable outdoor energy storage power stations & high-capacity mobile power banks
Electric scooters, electric two-wheelers and light mobility devices
AGV industrial robots, smart sweeping robots and intelligent household equipment
Medium-power portable lighting, speakers and outdoor electronic devices
Low-speed unmanned vehicles and commercial customized battery packs

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