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Main image of 12V USB Outlet, 78W 4-Port, 2 USB-C PD30W and 2 QC3.0 Fast Charger | Blue voltmeter and waterproof aluminum housing for cars, RVs, boats, golf carts, trucks and motorcycles.

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12V USB Outlet, 78W 4-Port, 2 USB-C PD30W and 2 QC3.0 Fast Charger | Blue voltmeter and waterproof aluminum housing for cars, RVs, boats, golf carts, trucks and motorcycles.

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[78W 4-Port Fast Charging] This 4-Port 12V USB car usb port delivers 78W total power, with 2 PD 30W USB-C ports and 2 QC 3.0 18W USB-A ports. It charges up to 4 devices at once without speed loss, compatible with PD2.0, QC2.0/1.0, and all mainstream protocols. Ideal for anyone needing a reliable 12 volt usb charging port on road trips or daily commutes.
[Aluminum Alloy Material] Crafted from durable aluminum alloy with a sleek black finish, this 12v usb charger offers superior heat dissipation and scratch resistance compared to plastic alternatives. Built-in smart IC chip and pre-installed 10A fuse (on the red positive wire) protect against overvoltage, overheating, overload, and short circuitssafeguarding your vehicle and devices.
[Blue Voltmeter & Waterproof Cover] The integrated blue digital voltmeter displays real-time voltage, keeping you informed of your vehicles power status at a glance. Featuring a translucent rubber cover, this waterproof 12v usb c outlet blocks dust, splashes, and moistureensuring stable performance in marine or off-road environments, perfect for marine usb outlet waterproof use.
[Easy Installation] This usb port for car comes with complete accessories: 2 blue terminals, 2 60cm 18AWG wires (red positive/black negative), and 2 extra 10A fuses. Simply connect the wires, secure with screws (for flush mount), and its ready to useno complex tools or professional skills needed.

Overview

Specs

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Smart IC Technology

Ensures stable current transmission for long-lasting, reliable performance.

Safety Design

An integrated 10A fuse in the power cable provides dual protection against overvoltage, overload, and short circuits for safe, reliable charging.

Blue Voltage Display

Features soft digital display that shows your car battery’s real-time voltage accurately. Prevents issues from low battery and enhances driving safety

Durable Aluminum Alloy

Durable aluminum alloy with sleek black finish, outperforms plastic options with better heat dissipation & scratch resistance

12V Switch Panel & USB Outlet

Simple, modular. We transform complex electrical systems into neat, ice-blue illuminated power centers for your RV & Boat.

78W 12V USB Outlet
Aluminum Rocker Switch Panel
12V Switches
Aluminum Rocker Switch Box
Cigarette Lighter Socket

Smart IC Technology

Ensures stable current transmission for long-lasting, reliable performance.

Safety Design

An integrated 10A fuse in the power cable provides dual protection against overvoltage, overload, and short circuits for safe, reliable charging.

Blue Voltage Display

Features soft digital display that shows your car battery’s real-time voltage accurately. Prevents issues from low battery and enhances driving safety

Durable Aluminum Alloy

Durable aluminum alloy with sleek black finish, outperforms plastic options with better heat dissipation & scratch resistance

12V Switch Panel & USB Outlet

Simple, modular. We transform complex electrical systems into neat, ice-blue illuminated power centers for your RV & Boat.

78W 12V USB Outlet
Aluminum Rocker Switch Panel
12V Switches
Aluminum Rocker Switch Box
Cigarette Lighter Socket

Specifications

Color: Matte Black

Dimensions: 3.94*3.54*1.18 inches

Voltage Compatibility: 12V

Total Power Output: 78W

Port Configuration:

2x USB-C Ports (PD 36W each) + 2x USB-A Ports (QC 3.0 18W each)

Key Features:

Built-in blue digital voltmeter,

anti-slip ON/OFF switch,

overvoltage/overheating/overload/short circuit protectionInstallation Type: Surface Mount

Package Contents

1x 12V USB Charging Panel (with built-in voltmeter)

2x Black Self-Tapping Screws

1x Panel Cover

1x Installation Guide

2x Double-Sided 3M Adhesive Pads (for extra stability)

Key Marking

Clear "USB-C" and "USB-A" labels on ports for instant identification

Bold "ON/OFF" indicators on the anti-slip switch

Bright blue voltmeter display for easy battery voltage reading

"Positive (+)" and "Negative (-)" markings on wiring terminals to avoid misconnection

Easy Installation Steps

1:Thoroughly clean the desired surface (RV wall, truck dashboard, boat panel, etc.) to ensure adhesion.

2:Drill a small hole (for wire routing) near the installation area if needed.

3:Connect the red wire to the positive (+) power source and the black wire to the negative (-) power source.

4:Secure the charging panel to the surface using the included black self-tapping screws.

5:Attach the double-sided adhesive pads to the back of the panel (optional, for extra stability).

6:Snap on the panel cover and toggle the switch to "ON"the voltmeter will light up, and the charger is ready for use!

Additional Information
First Listed on Newegg	October 20, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Machao shop Return Policy

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Item#: 9SIC7U1M933463

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12V USB Outlet, 78W 4-Port, 2 USB-C PD30W and 2 QC3.0 Fast Charger | Blue voltmeter and waterproof aluminum housing for cars, RVs, boats, golf carts, trucks and motorcycles.

Smart IC Technology

Safety Design

Blue Voltage Display

Durable Aluminum Alloy

12V Switch Panel & USB Outlet

78W 12V USB Outlet

Aluminum Rocker Switch Panel

12V Switches

Aluminum Rocker Switch Box

Cigarette Lighter Socket

Smart IC Technology

Safety Design

Blue Voltage Display

Durable Aluminum Alloy

12V Switch Panel & USB Outlet

78W 12V USB Outlet

Aluminum Rocker Switch Panel

12V Switches

Aluminum Rocker Switch Box

Cigarette Lighter Socket

Learn more about the Detailed Specifications

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info