18650 3500mAh High Capacity Lithium-Ion Rechargeable Battery Cell 3.6V for Battery Pack Applications

Alta capacidade 18650 Lithium-Ion Rechargeable Battery Cell – 3500mAh, 3.6V

Designed for professional battery pack manufacturers and industrial energy applications, this high-capacity 18650 lithium-ion rechargeable cell delivers a typical capacity of 3500mAh and a nominal voltage of 3.6V.

With a compact cylindrical format, alta densidade de energia, and a wide operating temperature range, it is suitable for battery pack integration across various electronic and industrial applications.

The cell supports a discharge temperature range from -40°C to 60°C, making it suitable for applications that require reliable operation under low-temperature conditions. Its typical energy reaches 12.60Wh, providing a practical balance between capacity, tamanho, e produção de energia.

For battery manufacturers and OEM customers, this 18650 cell offers a practical solution for developing customized rechargeable battery packs.

Key Product Highlights

  • 3500Capacidade típica em mAh

  • 3360mAh rated capacity

  • 3.6Tensão nominal

  • 12.60Wh typical energy

  • 18650 standard cylindrical format

  • Wide discharge temperature range: -40°C a 60 °C

  • Maximum charging current: 3360mA under specified conditions

  • Maximum discharging current: 10080mA under specified conditions

  • Dimensões compactas: 18.55mm × 65.10mm maximum

  • Suitable for professional battery pack integration

Importante: This is an individual lithium-ion cell, não é uma bateria completa. A suitable battery management system (BMS), protection design, and qualified charging system are required for battery pack applications.

Technical Specifications – 18650 Lithium-Ion Rechargeable Battery Cell

Item Especificação
Química da Bateria Íon-lítio
Tipo de célula Célula Cilíndrica
Formato de célula 18650
Capacidade típica 3500mAh
Capacidade nominal 3360mAh
Tensão Nominal 3.6V
Energia Típica 12.60O que
Energia Nominal 12.10O que
Método de carregamento padrão CC-CV
Corrente de carga padrão 1680mA
Corrente máxima de carga 3360mA
Tensão de carregamento 4.20V
Standard Discharging Current 672mA
Maximum Discharging Current 10080mA
Standard Discharge End Voltage 2.50V
Impedância interna CA ≤30mΩ
Diâmetro Máximo 18.55milímetros
Altura Máxima 65.10milímetros
Maximum Weight ≤49g
Temperatura de carregamento 0°C a 45 °C
Temperatura de descarga -40°C a 60 °C
Umidade de armazenamento 0–60% RH, sem condensação

Electrical Performance

Test Condition Performance
0.5C Discharge Capacity ≥96%
1C Discharge Capacity ≥93%
2C Discharge Capacity ≥90%
3C Discharge Capacity ≥88%

The discharge rate performance percentages are relative to the 0.2C reference capacity under the specified test conditions.

Cycle Performance Test

  • Charge rate: 0.5C

  • Taxa de descarga: 1C

  • Tensão de corte de descarga: 2.75V

  • Test temperature: 25°C

  • Capacity retention: ≥80% of initial capacity at the 501st cycle under the specified test conditions.

This is a specification test result, not a general cycle-life guarantee under all application conditions.

Temperature Performance

Temperatura de descarga Retenção de capacidade
60°C ≥95%
45°C ≥95%
10°C ≥88%
0°C ≥85%
-10°C ≥75%
-20°C ≥70%
-40°C ≥65%

Relative to the reference discharge capacity at 25°C under the specified test conditions.

Operating and Safety Notes

  • Standard charging voltage: 4.20V.

  • Standard discharge end voltage: 2.50V.

  • Do not exceed the specified charging and discharging limits.

  • The cell requires appropriate external protection and battery pack engineering.

  • Charging and discharging current limits must be evaluated together with temperature and application conditions.

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Alta capacidade 18650 Lithium-Ion Rechargeable Battery Cell – 3500mAh, 3.6V Designed for professional battery pack manufacturers and industrial energy applications, this high-capacity 18650 lithium-ion rechargeable cell delivers a typical capacity of 3500mAh and a nominal voltage of 3.6V. With a compact cylindrical format, alta densidade de energia, and a wide operating temperature range, it is suitable for battery pack integration across various electronic and industrial applications. The cell supports a discharge temperature range from -40°C to 60°C, making it suitable for applications that require reliable operation under low-temperature conditions. Its typical energy reaches 12.60Wh, providing a practical balance between capacity, tamanho, e produção de energia. For battery manufacturers and OEM customers, this 18650 cell offers a practical solution for developing customized rechargeable battery packs. Key Product Highlights
  • 3500Capacidade típica em mAh
  • 3360mAh rated capacity
  • 3.6Tensão nominal
  • 12.60Wh typical energy
  • 18650 standard cylindrical format
  • Wide discharge temperature range: -40°C a 60 °C
  • Maximum charging current: 3360mA under specified conditions
  • Maximum discharging current: 10080mA under specified conditions
  • Dimensões compactas: 18.55mm × 65.10mm maximum
  • Suitable for professional battery pack integration
Importante: This is an individual lithium-ion cell, não é uma bateria completa. A suitable battery management system (BMS), protection design, and qualified charging system are required for battery pack applications.

1. High Capacity Performance

With a typical capacity of 3500mAh and typical energy of 12.60Wh, the cell provides a high-capacity solution in a compact 18650 formato cilíndrico.

2. Ampla faixa de temperatura de descarga

Designed to support discharge operation from -40°C to 60°C, making it suitable for battery applications exposed to different environmental temperatures.

3. Compact Cylindrical Design

The standardized 18650 format allows convenient integration into compatible battery pack structures and multi-cell configurations.

4. Alta capacidade de descarga

Supports a maximum discharge current of 3C (10080mA) at 25°C under specified test conditions. Actual operating current should be determined according to application requirements and thermal design.

5. Stable Electrical Characteristics

With a nominal voltage of 3.6V and AC internal impedance of no more than 30mΩ under the specified test method, the cell offers defined electrical characteristics for battery pack engineering.

6. Flexible Battery Pack Integration

Suitable for professional battery manufacturers developing customized lithium-ion battery packs for different equipment and applications.

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Nossos produtos são amplamente utilizados em cigarros eletrônicos, UAVs, scooters de equilíbrio, bicicletas elétricas, equipamento eletrônico, brinquedos, lanternas, e outras aplicações comerciais e industriais.

Nossos produtos são amplamente utilizados em cigarros eletrônicos, UAVs, scooters de equilíbrio, bicicletas elétricas, equipamento eletrônico, brinquedos, lanternas, e outras aplicações comerciais e industriais.

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