The OEM Lenovo 90W 20v 4.5A Power Adapter Laptop Charger Rectangle model ADLX90NCC2A is a reliable and high-quality power adapter designed specifically for Lenovo laptops. Compatibility with various Lenovo models and product lines, this charger is a convenient and essential accessory for users who require a reliable power source for their devices. The unit quantity of 1 ensures that users have the necessary adapter for their specific Lenovo laptop needs.