The Genuine Lenovo IBM 02K6657 02K6661 AC/DC Power Supply Adapter is a reliable and high-quality power source for laptops and desktops. This adapter is designed for use with IBM and Lenovo devices, providing a consistent 16V and 4.5A output current to ensure optimal performance. The compact black design makes it easy to transport and use in various settings. The included PC compatibility further enhances its versatility, making it a convenient and essential accessory for computer users.