---
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: "€ 34.46"
currency: EUR
in_stock: true
reviews_count: 7
category: "Gem Coo"
url: https://www.desertcart.es/products/281978743-gemcoo-12v-usb-outlet-quick-charge-3-0-dual-usb
store_origin: ES
region: Spain
---

# 36W max output power Real-time LED voltage display Multi-layer 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:** € 34.46
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up fast, stay charged smart — never miss a beat on the road!

## 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?** € 34.46 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/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

- • **LED Voltmeter Display:** Instantly monitor your vehicle’s battery health to avoid unexpected breakdowns.
- • **Effortless Installation:** Simple positive/negative wiring with optional on/off switch for energy saving.
- • **Dual QC3.0 Fast Charging:** Charge 4x faster with two 18W ports, compatible with all popular USB devices.
- • **Comprehensive Safety Suite:** Protects against overload, overvoltage, overcurrent, overheating, and short circuits.
- • **Premium Aluminum Alloy Build:** Durable, heat-dissipating metal body ensures safety and longevity under high temps.

## Overview

The GemCoo 12V USB Outlet is a rugged, dual-port Quick Charge 3.0 charger delivering up to 36W total output. Crafted from aluminum alloy for superior heat management, it features a built-in LED voltmeter to monitor battery voltage in real time. Designed for boats, motorcycles, trucks, and RVs, it offers advanced safety protections and easy installation, making it the ultimate fast-charging upgrade for any vehicle.

## 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 |
| Best Sellers Rank | #107,277 in Mobile Phones & Communication Products ( See Top 100 in Mobile Phones & Communication Products ) #1,055 in Mobile Phone Automobile Chargers |
| Item model number | GC002GR |
| Manufacturer | GemCoo |
| Package Dimensions | 7.01 x 5.21 x 5.21 cm; 50 g |

## 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/61TfX4N8IFL.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/61jEFkhe0EL.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/61v5ft+AeSL.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.

### ⭐⭐⭐⭐⭐ Review
*by J***O on 29 December 2025*

Ce produit remplit ses fonctions. Il me permet également de suivre l'état de ma batterie.

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---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-23*