7.4V 2000mAh 18650 Lithium Battery Pack with Built-in BMS Protection for LED Lights and Portable Electronics

This 7.4V 2000mAh 18650 rechargeable lithium-ion battery pack delivers compact and reliable power for portable electronic devices. Built-in BMS protects against over-charge, over-discharge, over-current and short-circuit. It comes with red/black wires and a white connector for easy plug-and-play installation.

 Full Product Description

Overview

This 7.4V 2000mAh 18650 lithium-ion battery pack uses high-quality 18650 cells arranged in a 2-series configuration, providing a steady 7.4V output and 2000mAh capacity for small portable devices. The integrated BMS ensures safe charging and discharging, while the pre-attached wires and white connector simplify installation and replacement.

Key Features

✅ Nominal Voltage: 7.4V

✅ Nominal Capacity: 2000mAh

✅ Cell Type: 18650 Lithium-ion Cells

✅ Configuration: 2S

✅ Built-in BMS Protection

✅ Red/Black Wires with White Connector

✅ Compact Cylindrical Battery Pack

✅ Stable Discharge Performance

✅ Long Cycle Life

Specifications

Item	Parameter
Nominal Voltage	7.4V
Nominal Capacity	2000mAh
Cell Type	18650 Li-ion
Configuration	2S
Protection	Built-in BMS
Output	Red / Black wires with white connector
Outer Cover	Blue heat-shrink tube

Application Scenarios

🔹 Portable LED lights and small lighting systems

🔹 Monitoring cameras and wireless security devices

🔹 Portable electronic instruments

🔹 Small industrial equipment

🔹 RC models and hobby devices

🔹 Custom DIY power supplies

🔹 Handheld testing devices