IMPORTANT: 1.This PD DC adapter must use a PD (USB-C Male) power adapter or a PD USB Type C Male to Male Cable. 2.Please use the PD charging wall charger corresponding to the wattage of your laptop. This charging adapter is compatible with power supply below 100. Excessive power will cause overload. 3.Please note the Type-C charger power must be over than the output end.Power shortage will cause charging failure. 4.Only for Charging, not Syncing data.Features:1.Color:Black 2.Build-in the PD chip 3.Input: Type-C Female 4. Output: DC 4.0mm x 1.7mm, DC 18v-20v,100W,5A 5.Material: Tin plated copper & Aluminum alloy 6.Weight: 6.5g.The friendly design of the USB-C to DC 4.0mm x 1.7mm PD Adapter effectively helps you get rid of heavy high-power charging blocks.To save weight on trips to/from office where you need charging laptops,this saved you from having to carry heavy power bricks.