Name: USB-C to Lenovo 7.9x5.5mm Round Tip PD Adapter Converter Output Connector A: Type C (Female) Input Connector (s) B: Lenovo 7.9x5.5mm round tip (Male) Overcurrent power: Compatible with most USB-C wall chargers with Power Delivery (we recommend 90W USB-C charger and above) Build-in the PD Inducing Chip at Type-C female end Output: DC Male, DC 18.5V-20V (not support 5V) 100% High Quality and Brand New Compatible Brand: Works with Lenovo 90W or below laptops with 7.9x5.5mm round tip Easy Plug and Use