About this replacement
Designed for Lenovo devices. Compatible models include ThinkPad W700, ThinkPad W700 2500, ThinkPad W700 2541, ThinkPad W700 2542, ThinkPad W700 2752, ThinkPad W700 2753, ThinkPad W700 2754, ThinkPad W700 2757, ThinkPad W700 2758, ThinkPad W700 2762, ThinkPad W700 2763, ThinkPad W700ds. Replacement part numbers include 42T4556, 42T4557, 42T4559, 42T4558, FRU P/N 42T4556, ASM P/N 42T4557, 45J7914, ASM 42T4557, ASM 42T4559, FRU 42T4556, FRU 42T4558, FRU 42T4655. Key specifications: 10.8V, 6600mAh, Li-ion.