This is a genuine Lenovo ADLX45NCC3A 45W AC power adapter, perfect as a replacement or spare charger for your compatible Lenovo laptop. It provides 20V output with 2.25A, ensuring efficient charging. The charger features the distinctive yellow-tipped slim rectangular connector, compatible with many Lenovo ThinkPad, IdeaPad, and Yoga series laptops that use this power input. The adapter is in good working condition, ready to power your device.