Fast Charging and Dual Charging Ports: The Bullet Zip car charger has a power output of 42.5 Watts and dual ports enabling you to charge two devices simultaneously. It comes with a 20W Type-C PD port and a 22.5W USB-A QC port 20W 22.5W. Please use a compatible USB charging cable to fast charge your devices. Safe and Reliable: This Type-C for cars comes with a smart chip to protect devices against overvoltage, current, and overcharge. The USB car charger is compatible with most car models.