Charge Your Laptop: The latest chip technology realizes the function of 20V output with DC 12V-24V voltage input, charging your laptop up to 65W output. Suitable for providing fast charging for MacBook Pro/Air, Dell, Lenovo, Acer, HP and Microsoft laptops. Dual USB Simultaneous Fast Charging: While the USB-C is fast charging your laptop (Max 65W), the USB-A port can still reach the fastest output of 18W, dual USB simultaneous charging can reach up to 83W output without affecting each other's charging speed. Energy Saving Switch: The product is set with an energy saving button switch. You can turn off the LED light and USB port output completely when you don't need to charge, avoiding your car's battery being drained. Safety and Reliability: The shell is made of high-grade ABS plastic, which can withstand high temperature; the built-in safety chip can prevent overcharging; in addition, it is equipped with a removable waterproof and dustproof cover, so that it can be u