This can replace the following Part Numbers:

02K6513, 02K6520, 02K6535, 02K6537, FRU02K6520, 02K6611, 02K6536, 02K6610, 11J8923, 05K6610,

This is also compatible with the following models:

IBM
ThinkPad 390, ThinkPad 390E, ThinkPad 390 Series, ThinkPad 390X, ThinkPad I 1700 Series, ThinkPad 1700i series, ThinkPad 1720i, ThinkPad 1721i, ThinkPad 1750i, ThinkPad 390 2626-XXX, ThinkPad 390E 2624-XXX, ThinkPad 390E 2626-XXX, ThinkPad 390X 2624-XXX, ThinkPad 390X 2626-XXX, ThinkPad i Series 1700 Series, ThinkPad i Series 1720, ThinkPad i Series 1720 2627-XXX, ThinkPad i Series 1721, ThinkPad i Series 1750, ThinkPad i1720, ThinkPad i1721, ThinkPad i1750,