---
product_id: 88078198
title: "iGreely DC 5V to DC 9V USB Voltage Step Up Converter Cable 3.3ft/1m Power Supply Adapter Cable with DC Jack 5.5 x 2.5mm or 5.5 x 2.1mm, for Fan, Led Light, Wireless Router, Speakers and More Devices"
brand: "igreely"
price: "HK$92"
currency: HKD
in_stock: true
category: "I Greely"
url: https://www.desertcart.hk/products/88078198-igreely-dc-5v-to-dc-9v-usb-voltage-step-up
store_origin: HK
region: Hong Kong
---

# Boosts 5V USB to 9V DC output Universal 5.5x2.1mm & 5.5x2.5mm DC jack Built-in intelligent IC for safety iGreely DC 5V to DC 9V USB Voltage Step Up Converter Cable 3.3ft/1m Power Supply Adapter Cable with DC Jack 5.5 x 2.5mm or 5.5 x 2.1mm, for Fan, Led Light, Wireless Router, Speakers and More Devices

**Brand:** igreely
**Price:** HK$92
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your power game — USB to 9V made effortless!

## Quick Answers

- **What is this?** iGreely DC 5V to DC 9V USB Voltage Step Up Converter Cable 3.3ft/1m Power Supply Adapter Cable with DC Jack 5.5 x 2.5mm or 5.5 x 2.1mm, for Fan, Led Light, Wireless Router, Speakers and More Devices by igreely
- **How much does it cost?** HK$92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/88078198-igreely-dc-5v-to-dc-9v-usb-voltage-step-up)

## Best For

- igreely enthusiasts

## Why This Product

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

## Key Features

- • **Emergency Ready:** Keep your WiFi router or essential gadgets powered during outages using any 5V USB power source.
- • **Power Up Anywhere:** Step up your USB 5V to a reliable 9V DC output, perfect for on-the-go power needs.
- • **Compact & Portable:** 1-meter cable length offers flexibility without clutter, ideal for home or office setups.
- • **Smart Safety Circuit:** Advanced IC chip protects your devices from over-current, over-voltage, and short circuits.
- • **Dual DC Jack Compatibility:** Includes adapter for both 5.5x2.1mm and 5.5x2.5mm ports, maximizing device compatibility.

## Overview

The iGreely DC 5V to DC 9V USB Voltage Step Up Converter Cable is a 3.3ft adapter cable designed to convert standard 5V USB power into a stable 9V DC output with a max current of 0.8A. Featuring dual DC jack compatibility (5.5x2.1mm and 5.5x2.5mm) and an intelligent IC circuit for device protection, it’s ideal for powering fans, LED lights, routers, speakers, and other 9V devices, especially useful during power outages.

## Description

iGreely DC 5V to DC 9V USB Voltage Step Up Converter Cable 3.3ft/1m Power Supply Adapter Cable with DC Jack 5.5 x 2.5mm or 5.5 x 2.1mm, for Fan, Led Light, Wireless Router, Speakers and More Devices

## Features

- Please Note: the cable will not work for devices current more than 0.8A.
- Please Note: the output port is 5.5mm * 2.1mm, also work with port 5.5mm * 2.5mm via the adpater coming in the package, don't work with devices with port 3.5mm x 1.35mm, 4.0mm * 1.7mm, 6.0mm * 4.4mm, 6.3mm * 3.0mm, 5.5mm * 1.7mm, 4.8mm * 1.7mm, please make sure before purchase.
- 【USB 5V to DC 9V Cable】Because the USB input is 5V 2A male, please make sure the current is 2A or the device may not work. The DC output is 9.0V and the max current is 0.8A. Note: NOT suitable for high current equipment
- 【Safe & Reliable】As built in upgraded intelligent IC circuit, our voltage adapter provides your devices perfect protecetion from over-current, over voltage, overload or short circuit
- 【Widely Usage】 It is super convenient for different kinds of devices such as fan, table lamp, bluetooth audio, wireless router, speakers which requires for 9V power. Useful for powering the WiFi router via a power bank or other 5V power source during power outages. Can also be used with other devices that require a 9V power supply

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JVJ5S2V |
| Best Sellers Rank | #118,153 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #458 in Power Converters #3,196 in USB Cables |
| Brand Name | iGreely |
| Cable Type | USB |
| Color | Black |
| Compatible Devices | Speaker |
| Compatible Phone Models | No Compatible Phone Models |
| Connector Gender | Male-to-Male |
| Connector Type | USB Type A |
| Customer Package Type | FFP |
| Customer Reviews | 4.4 4.4 out of 5 stars (402) |
| Indoor Outdoor Usage | Indoor, Outdoor |
| Item Length | 3.3 Feet |
| Item Shape | Round |
| Manufacturer | iGreely |
| Maximum Voltage | 9 Volts |
| Model | iGreely |
| Model Name | iGreely |
| Number of Items | 1 |
| Number of Pins | 4 |
| Part Number | 5-9 |
| Recommended Uses For Product | Powering devices requiring a 9V power supply, backup power source for WiFi routers during power outages |
| Specification Met | CE |
| Unit Count | 1.0 Count |
| Wattage | 7.2 watts |

## Product Details

- **Brand:** iGreely
- **Cable Type:** USB
- **Compatible Devices:** Speaker
- **Compatible Phone Models:** No Compatible Phone Models
- **Connector Type:** USB Type A

## Images

![iGreely DC 5V to DC 9V USB Voltage Step Up Converter Cable 3.3ft/1m Power Supply Adapter Cable with DC Jack 5.5 x 2.5mm or 5.5 x 2.1mm, for Fan, Led Light, Wireless Router, Speakers and More Devices - Image 1](https://m.media-amazon.com/images/I/61-pD6OUEkL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- iGreely DC 5V to DC 9V USB Voltage Step Up Converter Cable 3.3ft/1m Power Supply Adapter Cable with DC Jack 5.5 x 2.5mm or 5.5 x 2.1mm, for Fan, Led Light, Wireless Router, Speakers and More Devices
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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-07-07*