2-Pack 4-Port 12V 78W Aluminum USB Charger with Dual PD & QC, Multiple USB Ports for Car, USB-C 12-Volt Cigarette Lighter Replacement for Boat, Marine, RV, Motorcycle

Upgraded Version: Our 12V USB power outlet is upgraded to four USB ports: 2 PD30W + 2 QC18W, allowing you to charge four devices simultaneously with up to 78W output. Compatible with PD2.0, QC2.0/1.0, and all other protocols, it offers the fastest charging speed for all your devices.

Aluminum Alloy Material: The entire body is made of advanced aluminum alloy with scratch-resistant technology, making it sturdy and durable, ensuring the 12V USB power outlet always looks new. The upgraded metal USB connector dissipates heat effectively and prevents overheating.

LED VOLTMETER: The 12V USB plug comes with a blue LED voltmeter that automatically monitors your car's battery and electrical system and displays your car's voltage on the screen. The USB charger lets you know your battery's health while driving.

WIDE COMPATIBILITY: Suitable for installation in 12/24V DC cars, boats, ships, motorcycles, ATVs, RVs, and more. This car USB charger is suitable to charge all cell phones, tablets, power banks, video game controllers, sports watches and more.

DIY INSTALLATION: Our 12V USB charger comes with a 60cm fused cable, 2 spare fuses and blue terminals. Simply connect the red wire to the positive terminal and the black wire to the negative terminal. It can be mounted anywhere according to your needs. Detailed installation steps are shown in the installation diagram.
Note: The bottom of the product is marked with "+" and "-", the red wire connects to +, the black wire connects to -; If the connection is reversed, it will not receive power.