2S 8.4V Type-C Lithium Battery Charging Board 2A

🔋 2S 8.4V Type-C Lithium Battery Charging Board – 2A

🔹 Product Overview

The 2S 8.4V Type-C Lithium Battery Charging Board (2A) is a compact charging module designed for 2-cell (2S) 7.4V Li-ion or LiPo battery packs.

It charges two lithium cells connected in series and provides a regulated charging output of 8.4V (4.2V per cell). The board features a modern USB Type-C input, stable charging control, and high efficiency performance.

This module is ideal for DIY battery packs, robotics, LED lighting systems, portable devices, and embedded projects.

🔹 Key Features

• ✅ Designed for 2S (7.4V) Li-ion / LiPo battery pack

• ✅ Final charge voltage: 8.4V

• ✅ Charging current up to 2A

• ✅ USB Type-C input

• ✅ High efficiency DC-DC charging circuit

• ✅ Stable and safe charging performance

• ✅ Compact and lightweight design

• ✅ Easy solder pads for battery connection

🔹 Technical Specifications

🔹 Voltage Information

• Nominal Battery Voltage: 7.4V (3.7V × 2 cells)

• Fully Charged Voltage: 8.4V (4.2V × 2 cells)

⚠ Must be used with a 2S BMS (Battery Management System) for cell balancing and protection.

🔹 Pin Description

• VIN / GND → 5V Input (Type-C)

• B+ / B- → Battery Pack Connection

• OUT+ / OUT- → Output (if available on board version)

🔹 Applications

• 🤖 Robotics Projects

• 🔦 High-Power LED Systems

• 🔋 DIY 7.4V Battery Packs

• 🎮 RC Projects

• 📡 Portable Electronics

• 🧪 Experimental Circuits

🔹 Advantages

✔ Fast 2A charging
✔ Modern Type-C port
✔ Compact size
✔ Efficient switching charging
✔ Ideal for medium-power applications

🔹 Important Safety Notes ⚠

• Use only with 2S battery pack (7.4V nominal)

• Do NOT connect single 3.7V battery

• Always use 2S BMS with balancing

• Ensure correct polarity

• Do not exceed input voltage (5V only)