The Original Lenovo Model ADLX65NCT3A is a 65W 20V 3.25A Digital Notebook AC Adapter designed specifically for Lenovo laptops. It is compatible with various Lenovo ThinkPad models across different series like ThinkPad S/W/E Edge, R, T, X, and L series. This black AC/Standard unit is an essential accessory for charging and powering your Lenovo notebook efficiently.