2S 5A 8.4V 18650 Lithium Battery Charger Board Protection Module

The 2S 5A 8.4V 18650 Lithium Battery Charger Board Protection Module is a compact, high-performance Battery Management System (BMS) specifically designed for 2S (2-cell) lithium-ion battery packs. With advanced protection circuitry and premium-quality components, this module ensures safe charging and discharging of your 18650 batteries while preventing damage due to over-voltage, under-voltage, short circuit, or over-current conditions.

Engineered using original Japanese ICs and high-quality MOSFETs (VISHAY, AOS, IR), the board is built on a low-temperature-coefficient FR-4 PCB for high stability and performance. Ideal for projects requiring high integration, compact design, and robust protection, this BMS supports applications in portable electronics, DIY battery packs, robotics, and IoT devices.

🔧 Key Features

• Supports 2S (2 × 3.7V) lithium battery packs
• Built-in short circuit, overcharge, over-discharge, and over-current protection
• Integrated precision Japanese protection ICs
• Uses high-quality MOSFETs from VISHAY, AOS, IR
• Compact and lightweight design for embedded projects
• Low internal resistance for efficient operation
• Predefined connection points: B+, B-, P+, P-, MB
• FR-4 PCB with low temperature coefficient

📐 Technical Specifications

📌 Applications

• 2S lithium-ion battery packs
• DIY power banks and portable devices
• Battery-powered robotics and RC models
• IoT devices and embedded systems
• Safety-focused battery pack protection

💡 Why Choose This BMS Module?

This 2S 5A Battery Charger Board offers top-tier protection with minimal footprint, making it an excellent choice for lithium battery-powered projects. With reliable Japanese ICs and precision MOSFETs, it ensures efficient energy transfer and extended battery lifespan.

📦 Package Includes

• 1 × 2S 5A 8.4V 18650 Lithium Battery Charger Board Protection Module