2000mAh 3.7V 18650 Li-Ion Rechargeable Battery

The 2000mAh 3.7V 18650 Li-Ion Rechargeable Battery is a high-performance lithium-ion power cell designed to provide reliable, long-lasting energy for a wide range of portable electronic devices and DIY projects. With a nominal voltage of 3.7V and a capacity of 2000mAh, this rechargeable battery delivers a stable power supply, making it suitable for applications that require consistent voltage and extended operating time.

Built using advanced lithium-ion technology, the 18650 battery offers a high energy density, allowing it to store more power in a compact and lightweight cylindrical form factor. Compared to conventional rechargeable batteries, it provides longer runtime, lower self-discharge, and excellent charging efficiency. These characteristics make it one of the most widely used rechargeable battery types in consumer electronics, industrial equipment, and embedded systems.

The battery supports hundreds of charge and discharge cycles while maintaining reliable performance when used and charged under recommended operating conditions. Its low self-discharge rate allows it to retain stored energy for longer periods when not in use, making it ideal for both regular and occasional applications. The stable output voltage ensures smooth operation of connected devices throughout the discharge cycle.

The standard 18650 size allows compatibility with numerous battery holders, chargers, battery management systems (BMS), and electronic devices designed for lithium-ion cells. It can be used individually or combined in series and parallel configurations to create custom battery packs for higher voltage or greater capacity applications.

This rechargeable battery is widely used in power banks, Bluetooth speakers, LED emergency lights, flashlights, wireless communication devices, GPS units, portable media players, tablets, battery backup systems, medical devices, security equipment, robotics, IoT devices, solar-powered systems, electronic toys, cordless tools, and DIY battery-powered projects. It is also commonly used in Arduino, ESP32, Raspberry Pi, and other embedded system projects requiring a dependable portable power source.

Its compact size, lightweight design, and high energy capacity make it an excellent choice for portable electronics where space and weight are important considerations. The battery provides reliable power for educational projects, prototype development, industrial applications, and consumer electronic products.

For safe operation and maximum battery life, the battery should be charged using a compatible Li-Ion battery charger and should not be overcharged, over-discharged, short-circuited, punctured, or exposed to excessive heat. Using an appropriate battery protection circuit or Battery Management System (BMS) is recommended for battery pack applications.

Whether you are building a portable electronic device, replacing an existing battery, or designing a custom power solution, the 2000mAh 3.7V 18650 Li-Ion Rechargeable Battery provides dependable performance, long service life, and efficient energy storage, making it an essential power source for modern electronic applications.

Key Features

• Nominal voltage: 3.7V.

• Battery capacity: 2000mAh.

• Standard 18650 cylindrical lithium-ion cell.

• High energy density for longer operating time.

• Rechargeable with hundreds of charge/discharge cycles.

• Low self-discharge for extended storage life.

• Stable voltage output during operation.

• Lightweight and compact design.

• Compatible with standard 18650 battery holders and chargers.

• Suitable for power banks, Bluetooth speakers, LED lights, GPS devices, flashlights, IoT devices, robotics, Arduino, ESP32, Raspberry Pi projects, battery backup systems, solar projects, DIY electronics, embedded systems, and portable electronic devices.

• Reliable and durable power solution for consumer, educational, and industrial applications.