Is the charger USB-IF Certified? John December 25, 2019 04:28 Updated Follow No, our Satechi 75W Travel Charger is ETL (Electrical Testing Labs) Certified. Related articles How does it compare with your competitor’s product? If i use the 60w to charge my laptop, how do the remaining 3 usb-a ports share the 15w of power? 5v/1a per port? What are the exact size and weight of the 75W Travel Charger? How can I charge a Samsung S9 or S9+ on the 75W Travel Charger? Quick Guide Comments 0 comments Please sign in to leave a comment.