4 Cells Battery For Lenovo IBM Thinkpad X60 X60s X61 X61s Series 40Y6999 (not supported on the X60) 40Y7001 ASM 92P1170 FRU 92P1163 (not supported on the X60) FRU 92P1165 (not supported on the X60) FRU 92P1167 FRU 92P1169 FRU 92P1227 42T4505