The Type-C Step-Up Boost BMS 4S 4A Lithium Battery Charger Module is a compact and efficient solution for charging 4-cell (4S) lithium-ion or LiPo battery packs. It steps up a low-voltage DC input (typically from a USB Type-C source) to the higher voltage required for charging 4S batteries, making it an ideal choice for a variety of applications.

This module features a range of advanced technologies, including USB Type-C input, step-up boost conversion, safety protections, LED indicators, and a compact design. These features combined provide a reliable and efficient charging solution for 4S batteries.

The key features of this module include:

• USB Type-C Input: Allows for easy and modern connectivity, enabling users to charge their batteries using a standard USB Type-C cable.


• Step-Up Boost Conversion: Efficiently increases lower input voltages to the necessary 16.8V for charging 4S batteries, ensuring a stable and reliable charging process.


• Safety Protections: Built-in safeguards protect both the charger and the battery pack from damage, providing an additional layer of security and reliability.


• LED Indicators: Provide real-time charging status, allowing users to monitor the charging process and ensure their batteries are properly charged.


• Compact Design: Small size makes it suitable for various applications, including DIY projects, robotics, and other space-constrained designs.

This module is suitable for a range of applications, including:

• Arduino and DIY projects: Ideal for use in DIY projects, prototypes, and proof-of-concepts, where a reliable and efficient charging solution is required.


• Robotics and drones: Suitable for use in robotics and drone applications, where high-performance and reliable charging is critical.


• Portable devices and power banks: Can be used to charge portable devices and power banks, providing a convenient and reliable charging solution on-the-go.