Compatible Laptop Models: IBM ThinkPad 1720, IBM ThinkPad 390 Series, IBM ThinkPad 390E Series, IBM ThinkPad 390X, IBM ThinkPad i1700 Series, IBM ThinkPad i1721, IBM ThinkPad i1750, Lenovo (IBM) ThinkPad 390, Lenovo (IBM) ThinkPad 390E, Lenovo (IBM) ThinkPad 390X. Compatible Part Number: IBM 02K6513, IBM 02K6520, IBM 02K6521, IBM 02K6534, IBM 02K6535, IBM 02K6537, IBM 02K6610, IBM 02K6611, IBM 05K6610, IBM ASM 02K6534, IBM ASM 02K6535, IBM FRU 02K6513, IBM FRU 02K6520, IBM FRU 02K6521, IBM FRU 02K6537. |