Charge two laptops at high speed or four devices simultaneously when using the 747 GaNPrime 150W 4-Port USB Charger from Anker. Using GaN technology, the Anker 747 remains compact and portable, as it provides up to 150W of power across three USB-C ports and a single USB-A port. To ensure the safe charging of everything connected to the charger, Anker utilizes their PowerIQ 4.0 and ActiveShield 2.0 technologies. PowerIQ 4.0 is detects each device's unique power requirements and dynamically delivers the correct amount of power to each. ActiveShield 2.0 provides 24-hour temperature monitoring and automatic power adjustments as needed.