This product is brand new and unused. It has been opened once for product inspection. Model Number: ACDC-TP9565BK This 65W AC adapter with an integrated cable allows you to charge laptops from different manufacturers simply by swapping the connector. It comes with four interchangeable connectors. It supports a wide range of major manufacturers, including Dynabook/Toshiba/Fujitsu/HP/DELL laptops with DC round ports, and Lenovo/NEC laptops with DC square ports. It eliminates the need to carry an AC adapter when traveling for business or working remotely. It's also convenient when switching between a home and work computer.