IBM & Lenovo 20v 4.5A 90w Replacement AC Adapter for IBM & Lenovo Notebook Models: IBM Lenovo ThinkPad T61p 8899, IBM Lenovo ThinkPad T61p 8900, IBM Lenovo ThinkPad T61p 8938, IBM Lenovo ThinkPad T61p 8939, IBM Lenovo ThinkPad W500, IBM Lenovo ThinkPad X1, IBM Lenovo ThinkPad X1 12932CU, IBM Lenovo ThinkPad X100e, IBM Lenovo ThinkPad X120e, IBM Lenovo ThinkPad X120e 05962RU, IBM Lenovo ThinkPad X200, IBM Lenovo ThinkPad X200 7454, IBM Lenovo ThinkPad X200 7458, IBM Lenovo ThinkPad X200 Tablet, IBM Lenovo ThinkPad X200s, IBM Lenovo ThinkPad X200s 7465, IBM Lenovo ThinkPad X200t, 100% Compatible with Lenovo P/N: 40Y7659, 92P1107, PA-1900-08I, FRU 42T4429.