About this replacement
Designed for IBM devices. Compatible models include ThinkPad 600, ThinkPad 600A, ThinkPad 600D, ThinkPad 600E, ThinkPad 600X, ThinkPad 600X-2645-5EU, ThinkPad 660. Replacement part numbers include 02K6919, ASM 10L2158, ASM 10L2159, ASM 12J2464, ASM 12P4065, FRU 02K6506, FRU 02K6528, FRU 02K6904, FRU 02K7016, FRU 02K7018, FRU 12P4064. Key specifications: 11.1V, 4400mAh, Li-ion.