Fast charging: 100-watt combined USB Power Delivery PD 3.0; 2 USB-C ports (65 watt + 18 watt, up to 100W single) and 2 USB-A ports (12 watt each, up to 17 watt single); conveniently charge 2 USB-C enabled devices (including a laptop) and 2 smartphones GaN technology: GaN components waste less power and produce less heat (compared to silicon), which results in a more efficient charge Compact size: small but powerful thanks to innovative GaN technology; design includes a foldable plug for travel-friendly portability Safety features: integrated over-voltage, overheating, and short-circuit protection to keep connected devices safe Output one port: PD 3.0 (USB-C1 Port): 5V ⎓ 3A / 9V ⎓ 3A / 15V ⎓ 3A / 20V ⎓ 5A (Up to 100W); Output four ports: PD 3.0 (USB-C1 Port): 5V ⎓ 3A / 9V ⎓ 3A / 15V ⎓ 3A / 20V ⎓ 3.25A (Up to 65W), PD 3.0 (USB-C2 Port): 5V ⎓ 3A / 9V ⎓ 2A (Up to 18W), USB-A1/A2: 5V ⎓ 3.4A total (12W each, up to 17W) In the box: 4-port USB-C wall charger, user manual, and an Amazon Basics 1-year limited warranty Charging speed varies depending on the device