Fast Charge Your MacBook: Thanks to a 140W max output and compatibility with USB Power Delivery 3.1, you can power up your 2021 MacBook Pro 16? in less than 1.5 hours. Powered by GaN: By swapping out silicon for gallium nitride (GaN), we're able to increase efficiency, improve heat dissipation, and reduce the size of our chargers. Ultra-Compact Design: Get all the power you need from a charger that's 41% smaller than an original 140W Apple charger. ActiveShield 2.0: Anker's proprietary technology enhances protection by intelligently monitoring temperature over 3 million times per day and adjusting power output to safeguard your connected devices. What You Get: Anker 717 Charger (140W), welcome guide, our worry-free 24-month warranty, and friendly customer service.