4S 16.8V Type-C Lithium Battery Charging Board 2A

🔋 4S 16.8V Type-C Lithium Battery Charging Board – 2A

🔹 Product Overview

The 4S 16.8V Type-C Lithium Battery Charging Board (2A) is a high-efficiency charging module designed for 4-cell (4S) Li-ion or LiPo battery packs connected in series.

It provides a regulated charging voltage of 16.8V (4.2V per cell) and supports up to 2A charging current, making it suitable for DIY battery packs, robotics, portable power systems, and high-power electronic projects.

The board features a USB Type-C input, allowing easy connection to a standard 5V power adapter.

🔹 Key Features

• ✅ Designed for 4S (14.8V nominal) lithium battery packs

• ✅ Final charge voltage: 16.8V (4.2V × 4 cells)

• ✅ Charging current up to 2A

• ✅ USB Type-C input (5V)

• ✅ High-efficiency boost charging circuit

• ✅ CC/CV charging method

• ✅ Compact PCB design

• ✅ Clearly labeled solder pads

🔹 Technical Specifications

🔹 Voltage Information

• Nominal Voltage: 14.8V (3.7V × 4 cells)

• Fully Charged Voltage: 16.8V (4.2V × 4 cells)

⚠ This module is strictly for 4S battery packs.
⚠ Must be used together with a 4S BMS (Battery Management System) for cell balancing and protection.

🔹 Pin Description

• VIN / GND → 5V Input (Type-C)

• B+ / B- → Battery Pack Connection

• Some versions may include balance pads

🔹 Applications

• 🤖 Robotics & Automation

• 🔦 High-Power LED Systems

• 🔋 DIY 16.8V Battery Packs

• 🚗 RC Vehicles

• 🔧 Portable Tools

• 🔌 Backup Power Systems

🔹 Advantages

✔ Compact and lightweight
✔ Fast 2A charging
✔ Modern Type-C interface
✔ Efficient boost conversion
✔ Suitable for portable high-voltage battery packs