Anker 749 Prime 240W GaN Desktop Charger (4 Ports) - BlackUnleash 240W of Super Power: With one USB C port providing up to 140W, and the other three ports sharing 100W, charge up to 4 devices simultaneously with a maximum output of 240W. Dual Laptop Fast Charging: Power two laptops at the same time, with the USB C 1 port delivering 140W, and the USB C 2 port providing 100W. Safety First with ActiveShield 2. 0: Provides real time safety by monitoring temperature around the clock, performing 3 million checks