This is a replacement 100% Lenovo aftermarket 45 watt ac adapter with power cable. The connector has a round plug of 4.0mm outside diameter by 1.7mm inside diameter. Rated at 45W, 2.25a and 20v.
Comp. Models: N22 Chromebook N23 Chromebook
Part Numbers: ADP-45DWA, PA-1450-55LU, PA-1450-55LR, 5A10H42919, 5A10H42921, 5A10H42923, 5A10H43625, 5A10H43630, 5A10H43632, ADP-45DW BA, ADP-45DW C, ADL45WCC, GX20K11838, PA-1450-55LL