21700 6350Célula de batería de iones de litio recargable de alta capacidad mAh 3,5 V 22,23 Wh para batería

Alta capacidad 21700 Rechargeable Lithium Ion Battery Cell

Este 21700 cylindrical lithium ion battery cell is designed for battery pack integration and customized rechargeable battery solutions. With a rated capacity of 6350mAh and a nominal voltage of 3.5V, it provides 22.23Wh of rated energy in a compact cylindrical format.

The cell features a maximum discharge current of 12.7A and a maximum charging current of 6.35A under specified operating conditions. Its low AC internal resistance of no more than 8mΩ supports electrical performance evaluation for battery pack development.

With a maximum diameter of 21.40mm and maximum height of 70.75mm, this cell is suitable for battery pack designers and manufacturers looking for a high-capacity cylindrical lithium ion cell.

Características clave del producto

  • 6350Capacidad nominal de mAh

  • 6500Capacidad típica de mAh

  • 3.5tensión nominal V

  • 22.23¿Qué energía nominal?

  • 12.7A maximum discharge current

  • 6.35A maximum charging current

  • AC internal resistance ≤8mΩ

  • 21700 formato de celda cilíndrica

  • Temperatura de carga: 0°C a 45°C

  • Temperatura de descarga: -20°C a 60°C

Designed for B2B Battery Projects

This rechargeable lithium ion cell can be considered for customized battery pack development, portable power equipment and industrial battery applications. Final suitability should be evaluated according to the required voltage, actual, thermal management and battery protection design.

Contact us with your project specifications, estimated order quantity and sample requirements.

Especificaciones técnicas

Artículo Especificación
Tipo de batería Rechargeable Lithium Ion Cell
Formato de celda 21700 Cilíndrico
Capacidad nominal 6350mAh
Capacidad típica 6500mAh
Tensión nominal 3.5V
Energía nominal 22.23¿Qué?
Energía típica 22.75¿Qué?
Limited Charging Voltage 4.20V
Maximum Charging Voltage Limit 4.25V
Corriente de carga estándar 3175mamá
Corriente de carga máxima 6350mamá
Corriente de descarga estándar 1270mamá
Corriente máxima de descarga 12700mamá
Discharge Cutoff Voltage (Test) 2.50V
Resistencia interna de CA ≤8mΩ
Diámetro máximo 21.40milímetros
Altura máxima 70.75milímetros
Peso máximo 72gramo
Temperatura de carga 0°C a 45°C
Temperatura de descarga -20°C a 60°C
Long-Term Storage Voltage 3.40V to 3.60V

Discharge Rate Performance

Tasa de descarga Relative Capacity
1do 100%
2do ≥95%
3do ≥90%

Discharge Performance at Different Temperatures

Temperatura Relative Capacity
-20°C ≥80%
-10°C ≥82%
0°C ≥85%
25°C 100%
45°C ≥90%
60°C ≥95%

Cycle Performance

Artículo Especificación
Test Cycle 601st Cycle
Retención de capacidad ≥80%
Corriente de carga 3.175A
Discharging Current 1.27A
Discharge Cutoff Voltage 2.5V

Nota: The above cycle performance is based on the test conditions specified in the product specification. Actual service life depends on operating conditions and battery pack design.

Temperature Management

  • Maximum cell surface temperature during charging: 55°C.

  • Maximum cell surface temperature during discharging: 75°C.

  • Follow the specified cooling requirements before recharging or discharging after reaching the temperature limits.

Safety Test References

The specification references GB 31241 and UL 1642 test methods. These references should not be interpreted as proof of product certification. Applicable certification documents and test reports should be confirmed separately.

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Alta capacidad 21700 Rechargeable Lithium Ion Battery Cell Este 21700 cylindrical lithium ion battery cell is designed for battery pack integration and customized rechargeable battery solutions. With a rated capacity of 6350mAh and a nominal voltage of 3.5V, it provides 22.23Wh of rated energy in a compact cylindrical format. The cell features a maximum discharge current of 12.7A and a maximum charging current of 6.35A under specified operating conditions. Its low AC internal resistance of no more than 8mΩ supports electrical performance evaluation for battery pack development. With a maximum diameter of 21.40mm and maximum height of 70.75mm, this cell is suitable for battery pack designers and manufacturers looking for a high-capacity cylindrical lithium ion cell. Características clave del producto
  • 6350Capacidad nominal de mAh
  • 6500Capacidad típica de mAh
  • 3.5tensión nominal V
  • 22.23¿Qué energía nominal?
  • 12.7A maximum discharge current
  • 6.35A maximum charging current
  • AC internal resistance ≤8mΩ
  • 21700 formato de celda cilíndrica
  • Temperatura de carga: 0°C a 45°C
  • Temperatura de descarga: -20°C a 60°C
Designed for B2B Battery Projects This rechargeable lithium ion cell can be considered for customized battery pack development, portable power equipment and industrial battery applications. Final suitability should be evaluated according to the required voltage, actual, thermal management and battery protection design. Contact us with your project specifications, estimated order quantity and sample requirements.

1. High Rated Capacity

With a rated capacity of 6350mAh and typical capacity of 6500mAh, this cell provides a high-capacity option for cylindrical battery pack designs.

2. Compact Cylindrical Format

El 21700 format supports space-conscious battery pack configurations and customized assembly projects.

3. Alta capacidad de descarga

Maximum discharge current reaches 12700mA under the specified conditions, supporting battery designs with higher current requirements.

4. Efficient Charging Capability

The maximum charging current is 6350mA, subject to the specified charging conditions and temperature limits.

5. Baja resistencia interna

AC internal resistance is specified at no more than 8mΩ at 1000Hz.

6. Rate Discharge Performance

The specification reports relative capacity of at least 95% at 2C and at least 90% at 3C under its stated test method.

7. Amplio rango de temperatura de descarga

The specified discharge operating temperature ranges from -20°C to 60°C.

8. Cycle Performance

Under the specified cycle test conditions, the discharge capacity retention at the 601st cycle is at least 80%.

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YiFang se especializa en baterías, cargadores, paquetes de baterías, y soluciones de energía, incluyendo iones de litio, Manuscrito iluminado (IMR), NiMH, y baterías LiFePO₄.

Sí, Ofrecemos personalización flexible de OEM y ODM., incluyendo el diseño del producto, presupuesto, y embalaje para cumplir con sus requisitos exactos.

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YiFang opera su propia fábrica con líneas de producción automatizadas, produciendo hasta 100,000 unidades diarias, Garantizar una calidad constante y una entrega oportuna..

Puede contactarnos a través del formulario de consulta de nuestro sitio web, correo electrónico, o teléfono. Nuestro equipo está listo para brindar orientación profesional y soluciones personalizadas..

Nuestros productos son ampliamente utilizados en cigarrillos electrónicos., UAV, scooters de equilibrio, bicicletas electricas, equipo electronico, juguetes, linternas, y otras aplicaciones comerciales e industriales.

Nuestros productos son ampliamente utilizados en cigarrillos electrónicos., UAV, scooters de equilibrio, bicicletas electricas, equipo electronico, juguetes, linternas, y otras aplicaciones comerciales e industriales.

Ofrecemos de 6 a 12 meses de garantía, atención al cliente receptiva, y cobertura de seguro global para confiabilidad a largo plazo y tranquilidad del cliente.

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