The 4-Port QC3.0/PD Car Charger delivers fast and efficient charging for multiple devices while monitoring your vehicle’s battery voltage in real time. Featuring PD 20W, QC 3.0, and dual USB-A ports, it can charge up to four devices simultaneously. Built-in smart chip protection ensures safe and stable charging while driving. Features: 4-port design allows simultaneous charging of multiple devices USB-C PD port supports 20W fast charging QC 3.0 port provides high-speed charging performance Dual USB-A ports for additional devices Charges compatible devices quickly and efficiently Can reach up to 90% charge in less than 45 minutes (device dependent) Built-in LED digital voltage display Monitors car battery voltage in real time Helps check vehicle electrical system health Smart chip automatically detects devices and adjusts power output Protects against over-voltage, over-current, overheating, and short circuits Compact design fits standard cigarette lighter sockets Specifications: Product Type: Multi-Port Car Charger Input Type: 12V Car Cigarette Lighter Socket Number of Ports: 4 USB-C PD Output: 20W USB QC Output: QC 3.0 USB-A Ports: 2 Display: LED Digital Voltage Meter Charging Technology: Power Delivery (PD) & Quick Charge (QC) Safety Features: Over Voltage Protection, Over Current Protection, Over Temperature Protection, Over Power Protection, Short Circuit Protection Chipset: Smart Power Management Chip Compatible Devices: Smartphones, Tablets, and USB-Powered Devices Application: Cars, SUVs, Trucks, and Other Vehicles