---
product_id: 281978743
title: "GemCoo 12V USB Outlet, Quick Charge 3.0 Dual USB Cigarette Lighter Socket 36W Aluminum Marine USB Outlet Waterproof with LED Voltmeter for Boat, Motorcycle, Truck, Golf Cart, RV, etc."
brand: "gemcoo"
price: "242 kr"
currency: DKK
in_stock: true
reviews_count: 7
category: "Gem Coo"
url: https://www.desertcart.dk/products/281978743-gemcoo-12v-usb-outlet-quick-charge-3-0-dual-usb
store_origin: DK
region: Denmark
---

# 36W max power output Real-time LED battery voltmeter 5-fold safety protection GemCoo 12V USB Outlet, Quick Charge 3.0 Dual USB Cigarette Lighter Socket 36W Aluminum Marine USB Outlet Waterproof with LED Voltmeter for Boat, Motorcycle, Truck, Golf Cart, RV, etc.

**Brand:** gemcoo
**Price:** 242 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up fast, stay charged smart — wherever the road takes you!

## Quick Answers

- **What is this?** GemCoo 12V USB Outlet, Quick Charge 3.0 Dual USB Cigarette Lighter Socket 36W Aluminum Marine USB Outlet Waterproof with LED Voltmeter for Boat, Motorcycle, Truck, Golf Cart, RV, etc. by gemcoo
- **How much does it cost?** 242 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/281978743-gemcoo-12v-usb-outlet-quick-charge-3-0-dual-usb)

## Best For

- gemcoo enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Installation:** Simple positive/negative wiring with optional on/off switch compatibility—perfect for boats, motorcycles, RVs, and more.
- • **Dual QC3.0 Fast Charging:** Charge your devices up to 4x faster with two 18W USB ports, compatible with all popular USB gadgets.
- • **Comprehensive Safety Suite:** Built-in overload, overvoltage, overcurrent, overheat, and short circuit protection for worry-free charging.
- • **Rugged Aluminum Alloy Build:** Premium metal body ensures superior heat dissipation and durability—no more overheating plastic chargers.
- • **Instant Battery Health Check:** Integrated LED voltmeter keeps you informed of your vehicle’s battery status in real-time.

## Overview

The GemCoo 12V USB Outlet is a robust dual-port Quick Charge 3.0 charger delivering up to 36W total output with an aluminum alloy body for enhanced heat management. Featuring a built-in LED voltmeter, it provides real-time battery voltage monitoring, ensuring your vehicle’s power health is always visible. Designed for versatile use in boats, motorcycles, trucks, and RVs, it includes comprehensive safety protections and easy installation, making it the ultimate fast-charging upgrade for on-the-go professionals.

## Description

QC 3.0 Dual USB Fast Charger Smartphones, tablets and other accessories can be charged much faster, significantly saves you time. Built-in Smart IC, outputs stable current without fluctuation.LED Voltage Display LED voltmeter can shows the voltage status of car battery in time, prevent your vehicle from starting hard, off and on intermittently and the headlights not enough bright cause by too low battery voltage, or prevent your vehicle from engine instability or horns stopping working. Specification: Material: Aluminum alloy + PVC Input Voltage: DC 12V-24V Output Voltage: DC 3.6-6.5V/3A, 6.5V-9V/2A, 9V-12V/1.5A Product Dimension: 1.45 x 1.92 inches Portiforium Dimension: 1.13 inches Max Output: 36W(18W each) Kindly Reminder Power connecting wires, usb cable and devices should support QC 3.0 fast charge. For vehicles, it's recommanded to get power from fuse box, while for the motorcycle, better connect to the wires of the key switch. The voltage meter reading led will show up after the item is connected to the battery. Since the iPhone series does not support fast charging, so their charging speed is normal.

Review: Works fine and fast charging. - I purchased this product as oem replacement for my land rover disco 2, it didn't fit well so I made some adjustment for my car to fit, but know its working fine and fast charging, but I don't know how long its may lasts, will give an update.
Review: The best cheap car interior mod - Amazing quality. Samsung, Huawei and iPhone charge at lightning speed. Added batter voltmeter is a big bonus to know how good your car battery is.

## Features

- 💚[ Dual QC3.0 USB Ports ]-🔵-Two 18W / 3A QC3.0 fast charging ports and 4x faster than conventional chargers. Backwards compatible with Quick Charge 2.0 & 1.0. Suitable for all popular USB devices. Note: The car charger will consume 30mA current at most when the vehicle has been switched off
- 💚[ All Metal Material Body]-🟣- Made of Aluminum alloy with better heat dissipation, which has advantage of non-flammable, wear resistant and good stability. Upgraded metal car charger will not be overheating at high temperatures, which is safer than plastic one.
- 💚[ Digital LED Display ]-🟠- With a LED voltage display that can show the voltage status of car battery in time. Very convenient for car, boat, bike, SUV, ATV, RV car, campers and motorcycles, etc.
- 💚[All Round Protection]-🟢- Dual QC3.0 USB charger socket is in line with the safety and quality regulations of the strictest. Provides protection against overload, overvoltage, overcurrent, overheat and short circuit.
- 💚[Easy Installation]-🟡 It is very easy to install the USB socket: "+" is plugged into positive pole and "-" is put on negative pole. It can also be connected to an on / off switch to save energy

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07ZRRK7ZZ |
| Amperage | 1.5 Amps |
| Brand | GemCoo |
| Built-In Media | Usb Cable |
| Color | Green |
| Colour | Green |
| Compatible Devices | Smartphones, Tablets |
| Compatible Phone Models | iPhone XS Max, iPhone XR, Iphone x, Iphone 8, Iphone 8 plus, Iphone 7, Iphone 7 plus, Iphone 6, Iphone 6s, Iphone 6 plus, Iphone 5, Iphone 5s; Samsung galaxy s9, galaxy s9+, galaxy s8, galaxy s8+, galaxy s7, galaxy s7 edge, galaxy s6, galaxy s6 edge, galaxy s6 edge plus, galaxy s5, galaxy s4, galaxy s5 mini, galaxy s5 active, galaxy s3, galaxy note 8, galaxy note 5, galaxy note 4, galaxy note 3, g… |
| Compatible Power Plug Type | Type A - 2 pin (North American) |
| Compatible devices | Smartphones, Tablets |
| Compatible phone models | iPhone XS Max, iPhone XR, Iphone x, Iphone 8, Iphone 8 plus, Iphone 7, Iphone 7 plus, Iphone 6, Iphone 6s, Iphone 6 plus, Iphone 5, Iphone 5s; Samsung galaxy s9, galaxy s9+, galaxy s8, galaxy s8+, galaxy s7, galaxy s7 edge, galaxy s6, galaxy s6 edge, galaxy s6 edge plus, galaxy s5, galaxy s4, galaxy s5 mini, galaxy s5 active, galaxy s3, galaxy note 8, galaxy note 5, galaxy note 4, galaxy note 3, galaxy note 2; Google Pixel, Pixel xl, pixel 2, pixel 2 xl; Nexus 6, Nexus 5X, Nexus 6P; Motorola Droid Turbo, Moto X 2014, Moto Z, Moto Z Force, LG G6, LG G5 G4; LG G Flex2, LG V10, LG V20 v30; Sony Xperia Z4, Z3 / Z3 Compact; HTC 10, HTC one A9, HTC One M9 / M8, HTC Desire Eye, HTC One remix, OnePlus 5 / 3 / 3T; Huawei Series, Window Phone Series, Bluetooth Speaker / Headphones; Kindle; GPS; etc Compatible phone models iPhone XS Max, iPhone XR, Iphone x, Iphone 8, Iphone 8 plus, Iphone 7, Iphone 7 plus, Iphone 6, Iphone 6s, Iphone 6 plus, Iphone 5, Iphone 5s; Samsung galaxy s9, galaxy s9+, galaxy s8, galaxy s8+, galaxy s7, galaxy s7 edge, galaxy s6, galaxy s6 edge, galaxy s6 edge plus, galaxy s5, galaxy s4, galaxy s5 mini, galaxy s5 active, galaxy s3, galaxy note 8, galaxy note 5, galaxy note 4, galaxy note 3, galaxy note 2; Google Pixel, Pixel xl, pixel 2, pixel 2 xl; Nexus 6, Nexus 5X, Nexus 6P; Motorola Droid Turbo, Moto X 2014, Moto Z, Moto Z Force, LG G6, LG G5 G4; LG G Flex2, LG V10, LG V20 v30; Sony Xperia Z4, Z3 / Z3 Compact; HTC 10, HTC one A9, HTC One M9 / M8, HTC Desire Eye, HTC One remix, OnePlus 5 / 3 / 3T; Huawei Series, Window Phone Series, Bluetooth Speaker / Headphones; Kindle; GPS; etc See more |
| Connectivity Technology | USB |
| Connector Type | USB |
| Connector type | USB |
| Current | DC |
| Current Rating | 3 Amps |
| Customer Package Type | Flat Free Package |
| Customer Reviews | 4.6 out of 5 stars 4,819 Reviews |
| Enclosure Material | Aluminum, Polyvinyl Chloride |
| Form Factor | Socket |
| Included components | Usb Cable |
| Input Voltage | 24 Volts |
| Item Weight | 0.05 Kilograms |
| Main Power Connector Type | Auxillary Power Outlet |
| Manufacturer | GemCoo |
| Mfr Part Number | GC002GR |
| Model Number | GC002GR |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Output Current | 1.5 Amps |
| Output Voltage | 12 Volts (DC) |
| Portable | No |
| Power Plug | Type A - 2 pin (North American) |
| Power Source | Battery Powered |
| Specification Met | CE |
| Total Usb Ports | 2 |
| UPC | 793513438131 |
| Unit Count | 1 Count |
| Wattage | 36 watts |
| Wired Charging Connector Type | USB Type A |

## Product Details

- **Amperage:** 1.5 Amps
- **Brand:** GemCoo
- **Colour:** Green
- **Compatible devices:** Smartphones, Tablets
- **Connector type:** USB
- **Included components:** Usb Cable
- **Input voltage:** 24 Volts
- **Total USB ports:** 2
- **Wattage:** 36 watts

## Images

![GemCoo 12V USB Outlet, Quick Charge 3.0 Dual USB Cigarette Lighter Socket 36W Aluminum Marine USB Outlet Waterproof with LED Voltmeter for Boat, Motorcycle, Truck, Golf Cart, RV, etc. - Image 1](https://m.media-amazon.com/images/I/618x55ne6NL.jpg)
![GemCoo 12V USB Outlet, Quick Charge 3.0 Dual USB Cigarette Lighter Socket 36W Aluminum Marine USB Outlet Waterproof with LED Voltmeter for Boat, Motorcycle, Truck, Golf Cart, RV, etc. - Image 2](https://m.media-amazon.com/images/I/61v5ft+AeSL.jpg)
![GemCoo 12V USB Outlet, Quick Charge 3.0 Dual USB Cigarette Lighter Socket 36W Aluminum Marine USB Outlet Waterproof with LED Voltmeter for Boat, Motorcycle, Truck, Golf Cart, RV, etc. - Image 3](https://m.media-amazon.com/images/I/71B16Mz3XDL.jpg)
![GemCoo 12V USB Outlet, Quick Charge 3.0 Dual USB Cigarette Lighter Socket 36W Aluminum Marine USB Outlet Waterproof with LED Voltmeter for Boat, Motorcycle, Truck, Golf Cart, RV, etc. - Image 4](https://m.media-amazon.com/images/I/61mzjV-J8AL.jpg)
![GemCoo 12V USB Outlet, Quick Charge 3.0 Dual USB Cigarette Lighter Socket 36W Aluminum Marine USB Outlet Waterproof with LED Voltmeter for Boat, Motorcycle, Truck, Golf Cart, RV, etc. - Image 5](https://m.media-amazon.com/images/I/71M9xM-pBsL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works fine and fast charging.
*by S***I on 1 February 2022*

I purchased this product as oem replacement for my land rover disco 2, it didn't fit well so I made some adjustment for my car to fit, but know its working fine and fast charging, but I don't know how long its may lasts, will give an update.

### ⭐⭐⭐⭐⭐ The best cheap car interior mod
*by R***S on 19 February 2021*

Amazing quality. Samsung, Huawei and iPhone charge at lightning speed. Added batter voltmeter is a big bonus to know how good your car battery is.

### ⭐⭐⭐⭐⭐ USB port
*by J***7 on 12 April 2026*

Good product

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**Shop now:** [https://www.desertcart.dk/products/281978743-gemcoo-12v-usb-outlet-quick-charge-3-0-dual-usb](https://www.desertcart.dk/products/281978743-gemcoo-12v-usb-outlet-quick-charge-3-0-dual-usb)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-09-26*