QC4.0 QC3.0 USB Type-C Fast Charge Adapter Board 6–35V

KOQZM QC4.0 / QC3.0 USB Type-C Fast Charge Adapter Board (6–35V)

Upgrade any DIY power project with this versatile fast-charging adapter board from KOQZM. Supporting a wide range of quick-charge protocols and a broad 6–35V input range, this compact board makes it easy to add high-speed USB charging to workbenches, desks, vehicles, solar setups, and more. Made in Mainland China.

Key Features

• Full Multi-Protocol Support: Compatible with QC4+, QC4.0, QC3.0, USB PD3.0, Huawei SCP/FCP, AFC, and MediaTek PE2.0. Model 3518 adds OPPO VOOC & OnePlus DASH support — charges virtually any modern smartphone at full speed.
• Wide 6–35V DC Input Range: Works seamlessly with 12V/24V car batteries, solar panels, lithium battery packs, and standard power adapters — ideal for mobile, off-grid, and desktop applications.
• Buck-Boost Design: Automatically steps voltage up or down to maintain a stable, consistent output regardless of fluctuations in input voltage, protecting your devices.
• MOSFET Reverse Polarity Protection: Advanced MOSFET circuitry runs cooler than traditional diode-based protection. If wires are accidentally connected backwards, the board stays safe — great for beginners and pros alike.
• Dual USB Output Ports: Features both a USB-A and a USB Type-C port so you can charge two devices simultaneously. Blue LED indicates active power output; Red LED indicates fast charging is engaged.
• Status LEDs: At-a-glance visual indicators — Blue for power on, Red for fast charge active — so you always know your charging status.

Specifications

Perfect For

• DIY electronics workbenches and desk charging stations
• Vehicle or RV USB charging upgrades (12V/24V)
• Solar panel and off-grid battery charging systems
• Hobbyist and maker projects requiring fast-charge capability

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Frequently Asked Questions

Q: What fast-charging protocols does this USB Type-C adapter board support?

A: This KOQZM adapter board supports QC4+, QC4.0, QC3.0, USB PD3.0, Huawei SCP/FCP, AFC, and MediaTek PE2.0. Model 3518 additionally supports OPPO VOOC and OnePlus DASH, making it compatible with virtually all major fast-charge standards for modern smartphones.

Q: What input voltage range does this fast charge adapter board accept?

A: The board accepts a wide 6–35V DC input, making it compatible with 12V and 24V car or RV batteries, solar panels, lithium battery packs, and standard power adapters — perfect for both mobile and desktop use.

Q: Is this adapter board safe if I accidentally wire it incorrectly?

A: Yes. The board features advanced MOSFET reverse polarity protection, which is safer and runs cooler than traditional diode-based protection. If the input wires are connected backwards, the board is designed to remain undamaged, making it a great choice for beginners and experienced builders alike.

Q: Can I charge two devices at the same time?

A: Yes. The board includes both a USB-A port and a USB Type-C port, allowing you to charge two devices simultaneously. The onboard LEDs let you quickly confirm power status and active fast charging at a glance.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.