1S 5A 18650 Lithium Battery Protection Board

The 1S 5A 18650 Lithium Battery Protection Board is a compact BMS (Battery Management System) designed to monitor and safeguard a single 3.7V 18650 lithium-ion rechargeable cell. With integrated overcharge, over-discharge, and short circuit protection, this board ensures long battery life and stable performance in a wide range of battery-powered applications.

This BMS comes with a pre-soldered nickel strip for immediate integration into DIY battery packs. It automatically cuts off power when voltage thresholds are exceeded or dropped below safe limits, and can auto-recover or be reactivated by applying input voltage. Engineered for long-term operation, it supports up to 30,000 hours of performance in harsh conditions.

🔧 Key Features

• Designed for a single 3.7V 18650 lithium cell (1S)
• Built-in protection: overcharge, over-discharge, short circuit
• Automatic recovery and manual reset capability
• Includes pre-soldered nickel strip for easy welding
• Supports continuous discharge current up to 5A
• Highly efficient control and protection circuit
• Designed for over 30,000 hours of operation

📐 Technical Specifications

📌 Applications

• Portable battery packs and power banks
• DIY rechargeable battery projects
• IoT and low-power embedded devices
• Single-cell lithium battery safety systems
• Solar-powered and off-grid electronics

💡 Why Choose This Protection Board?

Reliable and compact, this 1S 5A Lithium Battery BMS is an ideal choice for protecting individual 18650 cells in any embedded or portable application. With built-in safety, long-life design, and quick-connect strips, it simplifies battery management while offering solid protection features.

📦 Package Includes

• 1 × 1S 5A 18650 Lithium Battery Protection Board