The USB-C ports allow up to 60W which is fine for most laptops. When travelling for business I do every now and then need to bring a heavier power-hungry laptop with me (Having a 200W power brick), and while I havent actually tried - I would not expect that to charge on a USB-C port limited to only 60W. Smaller laptops, including most macbooks and other travel/efficient laptops, should be absolutely fine.