This is a replacement 100% Lenovo compatible 45 watt ac adapter. The plug has a round plug of 4.0mm outside diameter by 1.7mm inside diameter. Rated at 45W, 2.25a and 20v. The power cord is included with this part.
Comp. Models: Ideapad 310-14ISK, 310-15IBR, 310-15ISK, 310S-14ISK, 510S-14ISK, 510S-15ISK
Part Numbers: PA-1450-55LU, PA-1450-55LR, 5A10H42919, 5A10H42921, 5A10H42923, 5A10H43625, 5A10H43630, 5A10H43632, ADP-45DW BA, ADP-45DW C, ADL45WCC, GX20K11838, PA-1450-55LL, ADP-45DWA