USB-C PD/QC Fast Charge Adapter

Description

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USB-C PD/QC Fast Charge Adapter Board

A compact open-source USB-C fast charge adapter board designed for single-cell battery powered projects.

Battery Notice

• Battery is not included

• Please purchase the battery separately

• Recommended search keyword: Vacuum Battery Replacement

• Please match the connector type and number of battery cells to the reference image before purchasing

• Make sure the battery pack is compatible with the board and wired correctly before use

This board integrates USB-C charging, battery management, load power switching, and USB-C PD fast-charge output into one small module, making it a practical power solution for DIY electronics, portable devices, embedded systems, and custom handheld projects.

It is ideal for makers who want to build battery-powered devices with modern USB-C charging and regulated high-power USB-C output.

What does it do?

This module is designed around a simple and practical power path:

• USB-C input for charging

• PD/QC/AFC protocol handling

• Single-cell lithium battery charging

• Battery-powered system switching

• USB-C PD output for external devices or downstream systems

From the system diagram, the board functions as an integrated charge + battery + boost/output solution for portable electronics.

Great For

• DIY portable electronics

• Battery-powered embedded systems

• ESP32 / STM32 / Raspberry Pi based handheld projects

• Small field tools and utility devices

• USB-C powered custom products

• Open-source hardware experiments and derivative designs

Why this board is useful

Instead of combining separate charging boards, boost converters, trigger boards, and protection modules, this design brings the essential power functions together into one board.

That means:

• cleaner wiring

• simpler integration

• more compact builds

• easier productization for custom devices