If you encounter any issues with the product after installation, please check the following conditions: 1. Is the product switch turned on? 2. Are the positive and negative poles connected correctly? 3. Is the fuse in the wiring blown? 4. Is the power supply low on electricity? If the product is defective, please let us know and we will respond within 24 hours. ?Choose Qidoe Brand? You will receive an Excellent 83W USB-C Car Charger Socket, a wire with a 10A fuse, two replacement Fuse, a 60-day money-back guarantee, and a 5-year warranty (replace or refund). In addition, you will have lifetime technical support. ?Easy to Install? You can choose to replace your car's original cigarette lighter socket with this USB charger. Simply remove the old cigarette lighter socket and replace it with the new charger. Alternatively, you can do a DIY installation by drilling a 1.18-inch/3 cm hole, inserting the charger and tightening the ring, then connecting the positive and negative wires. This charger is a great replacement option!. ?Skin-friendly Anti-slip Button Switch? Market-tested, most buyers prefer switches with a stronger tactile feel. This car charger's switch is just that! Compared to touch-type switches, it's more stable, has a stronger tactile feel, and a comfortable press. The switch defaults to the 'on' once power is connected. So when you start your car's power, there's no need to turn it on again. Super convenient!. Sturdy Aluminum Alloy Shell? The cg of the Qidoe car charger socket is made of aluminum metal, which is sturdy, shock-resistant, and not easily melted. It comes with a removable waterproof cap for dust and splash protection. It's perfect for use in extreme weather or harsh environments. Suitable for 12V-24V vehicles, including boats, ATVs, motorcycles, trucks, golf carts, RVs, vessels, and SUVs, etc. Intuitive LED Digital Voltmeter? Our 12V USB socket has been newly improved on the original voltmeter. It only displays the battery voltage when the charger is idle or when the USB-A port is in use. However, when you plug into the USB-C port for charging, it will display the output voltage and current of the PD port, allowing you to easily see the charging speed of the PD port. Upgraded PD 65W Smart Boost Charger? The 12V USB-C PD Port can auto-adjust its voltage based on the device being charged. It provides a max power of 65W for laptops, 30W for tablets, and 20W for phones. Compatible with all Type-C powered devices. This port can fast charge MacBook, Dell, Lenovo, Acer, HP, and Microsoft devices to 100% within 1.8 hours, and offers charging speeds 3-4 times faster for tablets and phones. Note: Only provides a 20W fast charge for Samsung Galaxy S series. Officially Certified 83W Car Charger? Qidoe 12V USB Power Outlet features the latest intelligent boosting chip, delivering a maximum output of 83W (65W PD+ 18W QC3.0). With the 65W PD3.0 port, it can boost power from 12V to 15V and 20V, allowing for fast charging of laptops, tablets and Phones. This is an innovative technology developed by our Qidoe brand, dedicated to providing a smarter charging experience. One product meets various needs!.