1S 2A BMS - 3.7V Li-ion 18650 Battery Charger - Battery Manager

The 1S 3.7V Li-ion 18650 Battery Management System (BMS) Protection Board is designed to provide reliable protection and efficient management for single-cell lithium-ion batteries. It safeguards the battery against overcharging, over-discharging, overcurrent conditions, and short circuits, helping to improve battery safety, performance, and lifespan.

With its compact design and dependable protection circuitry, this BMS board is ideal for a wide range of battery-powered applications, including portable electronics, DIY battery packs, rechargeable devices, and other Li-ion-powered systems.

Key Features

• Comprehensive battery protection against overcharge, over-discharge, overcurrent, and short circuits
• High-performance MOSFET-based protection circuit
• Efficient charge and discharge monitoring
• Compact and lightweight design for easy installation
• Suitable for single-cell (1S) 3.7V Li-ion and 18650 battery packs
• Enhances battery life and operational safety

Applications

This 3.7V BMS protection board is widely used in:

• Portable electronic devices
• Rechargeable LED lighting systems
• DIY power banks
• Wireless gadgets and IoT devices
• Battery-powered tools
• Small robotics and automation projects
• Single-cell lithium-ion battery packs

Technical Specifications

Usage Instructions

1. Connect the battery terminals to the BMS board according to the wiring diagram.
2. Ensure the battery polarity is correct before powering the system.
3. Verify all connections using a multimeter before use.
4. Connect the load and charger to their designated terminals.
5. The BMS will automatically monitor battery conditions and provide protection against unsafe operating conditions.

This 1S 3.7V BMS Protection Board is a cost-effective and reliable solution for protecting lithium-ion batteries while ensuring safe and efficient operation in a variety of electronic applications.