18650 3.7V LI-ION RECHARGEABLE BATTERY 2000MAH UP TO 4.2V (18650)

The 18650 3.7V Li-Ion Rechargeable Battery is a rechargeable lithium-ion power cell commonly used in portable electronic devices and embedded system applications. It delivers a nominal capacity of 2000mAh, providing reliable energy storage and long operational life for medium-power electronic systems.

The battery operates at a nominal voltage of 3.7V and reaches a full charge voltage of 4.2V. It supports both standard and rapid charging methods, allowing flexible charging options depending on the application requirements.

Its cylindrical 18650 form factor makes it compatible with a wide variety of battery holders, chargers, and portable devices. The battery is suitable for applications requiring stable voltage output, compact size, and rechargeable functionality.

The battery supports continuous charging and discharging within safe operating limits and performs reliably in a wide temperature range, making it suitable for both indoor and outdoor applications.

Specifications

• Battery Type: Lithium-Ion Rechargeable Battery
• Model: 18650
• Nominal Voltage: 3.7V
• Charge Voltage: 4.2V
• Nominal Capacity: 2000mAh
• Battery Size: 18 × 18 × 65 mm (Max)
• Standard Charging Current: 0.5C
• Rapid Charging Current: 1.0C
• Maximum Charge Current: 0.5C
• Maximum Discharge Current: 1C
• Discharge Cut-off Voltage: 2.75V

Charging Method

• Constant Current (0.5C) charging to 4.2V
• Followed by Constant Voltage (4.2V) charging until current drops to ≤0.05C

Charging Time

• Standard Charging: Approximately 3 hours
• Rapid Charging: Approximately 2 hours

Temperature Range

• Operating Temperature: -20°C to 60°C
• Storage Temperature: 25°C

Applications

• Power banks
• Flashlights and LED lighting
• Portable electronic devices
• Robotics projects
• Solar energy storage systems
• DIY electronics projects
• Battery backup systems
• Wireless devices
• Embedded systems and IoT projects
• Rechargeable battery packs