The 18650 3.7V 2200mAh Li-ion Battery is a rechargeable cylindrical lithium-ion cell designed for portable electronic devices, DIY power banks, battery packs, and various electronics projects. It offers a nominal voltage of 3.7V and a capacity of 2200mAh, making it suitable for applications requiring a compact and reusable power source.

Features

• Rechargeable lithium-ion battery

• Nominal voltage of 3.7V

• Capacity of 2200mAh

• Standard 18650 cylindrical form factor

• Lightweight and compact design

• Suitable for series and parallel battery pack configurations

• Orange protective outer wrapping

• Designed for repeated charging and discharging

Specifications

Applications

• DIY power bank projects

• Portable electronic devices

• LED lighting systems

• Rechargeable battery packs

• Robotics and electronics projects

• Backup power systems

• Flashlights and portable equipment

• Arduino and other embedded projects requiring a suitable power supply

Advantages

• Rechargeable for repeated use

• Compact cylindrical design

• Good energy capacity for its size

• Suitable for custom battery pack assembly

• Compatible with many 18650 battery holders and enclosures

• Can be configured into higher-voltage or higher-capacity packs when properly designed

Package Includes

– 1 × 18650 3.7V 2200mAh Li-ion Battery

Note

Use a compatible lithium-ion charger with the correct charging voltage, typically 4.2V for a standard 3.7V Li-ion cell. Verify the battery’s actual capacity, maximum charging current, and discharge rating with the supplier. Avoid short circuits, overcharging, deep discharge, and physical damage. Use a suitable protection circuit (BMS) when assembling battery packs.