eBay

USB QC3.0 QC2.0 DC-DC Buck Converter Charging Module

6-32V 9V 12V 24V to Fast Charger Board 3V 5V 12V

Overview

This high-performance QC3.0/QC2.0 DC-DC buck converter module delivers fast charging capability across a wide input voltage range. Designed for versatile applications, it automatically negotiates the optimal output voltage for connected devices, supporting multiple fast charging protocols. With robust protection features and high conversion efficiency, it's the ideal solution for integrating fast charging into your projects.

Key Features

Wide input voltage range: 6V–32V DC
Output voltage automatically adjusts between 3V–12V upon fast charge trigger (default 5V)
Maximum output power: 24W (5V@3.4A, 9V@2.5A, 12V@2A)
Conversion efficiency: 90%–97%
Output voltage wired compensation for stable performance
Comprehensive protection: input overvoltage, overcurrent, undervoltage; output overcurrent, short circuit; module over-temperature
Compact size: 1.6 x 2.9 cm (0.63 x 1.14 inch)

Supported Protocols

BC1.2, QC2.0, QC3.0, MTK PE1.1/PE2.0, Apple, Samsung AFC, Huawei FCP, Spreadtrum SFCP

Specifications

Input Voltage	6V – 32V DC
Output Voltage	Default 5V, auto-adjusts 3V–12V with fast charge
Output Power	Max 24W (5V@3.4A / 9V@2.5A / 12V@2A)
Conversion Efficiency	90% – 97%
Protection Features	Input OVP/OCP/UVP, output OCP/SCP, over-temperature
Dimensions	1.6 x 2.9 cm (0.63 x 1.14 inch)

Applications

Solar phone charging, car charging retrofit, driving recorder power supply, home power conversion, and more.

Important Notes: Ensure the input voltage is within the specified range (6V–32V DC) and the power source can deliver sufficient current. The module's output voltage auto-negotiates with the connected device; using with non-compatible devices may result in standard 5V charging only. Handle with care to avoid short circuits during installation.

Package Includes

1 x QC3.0 QC2.0 Fast Quick Charging Module

Need help? We're here for you!

If you have any questions about this product, please don't hesitate to contact us. Our team is dedicated to ensuring your satisfaction.

Shipping

We currently ship within Australia only.
Orders are processed and dispatched as soon as possible (usually within 12 hours after payment is cleared).
Please note that Australia Post delivery times are estimates only and may vary due to location, weather, or postal delays.
We use Australia Post Domestic Regular Letter (Untracked) for some items. This is sent as a standard post letter and does NOT include tracking.
If your item has not arrived within 2 weeks, please contact us and we will assist you.
Free postage includes packing and fast dispatch via Australia Post where applicable.
Occasionally, Australia Post sorting facilities may not update tracking or scan events consistently. Please do not worry — we will ensure your order is delivered.

Returns

We offer a 60-day return policy. Please contact us within 60 days of receiving your order if you have any issues or wish to return the item.
All returned items must be in original packaging and include all accessories.
Please provide your eBay ID, reason for return, and tracking number (if applicable).
Refunds will be issued for the full item amount upon receipt and inspection, after both buyer and seller cancel the transaction on eBay, or a replacement can be arranged.
Buyer is responsible for return shipping costs.

Important Notes (Electronic Modules / DIY Parts)

For electronic modules and DIY components, please test the item as soon as you receive it.
If there are any genuine quality issues, please contact us immediately and we will provide a suitable solution.
However, we do not provide warranty or support for damage caused by:
- Use outside of the intended design/specification
- Circuit modifications or alterations
- Incorrect wiring or misuse
- Over-voltage, over-current, or improper handling