---
product_id: 220194770
title: "4PCS USB Buck Converter DC-DC Step Down Module 6-32V 12V 24V to 5V QC 3.0 Charging Module Power Supply Voltage Regulator Volt Transformer Board"
brand: "jastoo"
price: "9.10 OMR"
currency: OMR
in_stock: true
url: https://www.desertcart.com.om/products/220194770-4pcs-usb-buck-converter-dc-dc-step-down-module-6
store_origin: OM
region: Oman
---

# Input 6-32V Output 5V QC 3.0 24W max power 4PCS USB Buck Converter DC-DC Step Down Module 6-32V 12V 24V to 5V QC 3.0 Charging Module Power Supply Voltage Regulator Volt Transformer Board

**Brand:** jastoo
**Price:** 9.10 OMR
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Projects with Confidence!

## Quick Answers

- **What is this?** 4PCS USB Buck Converter DC-DC Step Down Module 6-32V 12V 24V to 5V QC 3.0 Charging Module Power Supply Voltage Regulator Volt Transformer Board by jastoo
- **How much does it cost?** 9.10 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/220194770-4pcs-usb-buck-converter-dc-dc-step-down-module-6)

## Best For

- jastoo enthusiasts

## Why This Product

- Trusted jastoo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pack of Four:** Get more value with four individually packaged modules.
- • **Safety First:** Built-in overcurrent and short circuit protection for peace of mind.
- • **User-Friendly Design:** Easy to integrate into various applications without hassle.
- • **Smart Voltage Adjustment:** Automatically adjusts output voltage for optimal charging.
- • **Versatile Power Solutions:** Perfect for DIY solar panel and car charging projects.

## Overview

The 4PCS USB Buck Converter DC-DC Step Down Module is a versatile power supply solution that efficiently converts input voltages from 6V to 32V down to a stable 5V output, with quick charging capabilities. Ideal for DIY enthusiasts, it features built-in safety protections and comes in a convenient pack of four, making it perfect for a variety of applications from solar panel setups to car charging systems.

## Description

Product Features: Input voltage range: 6V-32V Output voltage: default 5V, automatic adjustment between 3-12V after fast charge Output power: maximum 24W (5V/3.4A, 9V/2.5A, 12V/2A, etc.) Output voltage wired compensation Conversion efficiency: 90%-97% Supports multiple fast charging protocols Input overvoltage, undervoltage protection Input over-current protection Output overcurrent and short circuit protection Over temperature protection Support fast charging protocol BC1.2, iPhone, Samsung agreement Qualcomm QC2.0 and 3.0 MTK PE1.1/PE2.0 Huawei Fast Charge Protocol AFC Spreadtrum Fast Charge Agreement SFCP Product Size: 34*17*9.5mm (Excluding 1mm of USB female seat protrusion) Package Include: 4* DC-DC Buck USB charging module

## Features

- PARAMETER --- input voltage range DC 6V-32V; output voltage default DC 5V, after triggering quick charging, it will be automatically adjusted at 3-12V; output power 24W max.
- APPLICATION --- solar panel to mobile phone charging diy; car charging system diy; driving recorder power supply diy; household power supply diy, etc.
- Output overcurrent and short circuit protection
- 4pcs DC- DC buck converter charging step down module in a pack. Individual packaging for each piece.
- Note: Do not exceed the specified output input voltage when using the board.

## Product Details

- **Brand:** Jastoo
- **Power Source:** Corded Electric
- **Current Rating:** 2.5 Amps
- **Minimum Frequency:** 50 Hz
- **Manufacturer:** Jastoo

## Images

![4PCS USB Buck Converter DC-DC Step Down Module 6-32V 12V 24V to 5V QC 3.0 Charging Module Power Supply Voltage Regulator Volt Transformer Board - Image 1](https://m.media-amazon.com/images/I/7197BT0JOqL.jpg)
![4PCS USB Buck Converter DC-DC Step Down Module 6-32V 12V 24V to 5V QC 3.0 Charging Module Power Supply Voltage Regulator Volt Transformer Board - Image 2](https://m.media-amazon.com/images/I/71Sh2uWocLL.jpg)
![4PCS USB Buck Converter DC-DC Step Down Module 6-32V 12V 24V to 5V QC 3.0 Charging Module Power Supply Voltage Regulator Volt Transformer Board - Image 3](https://m.media-amazon.com/images/I/71QImRzW2eL.jpg)

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**Shop now:** [https://www.desertcart.com.om/products/220194770-4pcs-usb-buck-converter-dc-dc-step-down-module-6](https://www.desertcart.com.om/products/220194770-4pcs-usb-buck-converter-dc-dc-step-down-module-6)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-03-18*