The Genuine Lenovo 42T5000 42T4432 42T4433 42T4434 42T4435 AC Adapter is a high-quality power adapter designed specifically for Lenovo laptops. With a voltage of 20V and an output current of 4.5A, it provides the necessary power for your device to function efficiently. This black adapter is compatible with various Lenovo laptop models and is manufactured in China. It is a reliable and efficient accessory for keeping your laptop powered up and ready for use.