Superb Choice New Laptop Replacement Battery for IBM Thinkpad X40 Series(machine type:2371/2372/2386) Thinkpad X41(1864/1865/T2525/2526 2527/2528) Replacement for 92P0999 92P1000 92P1001 92P1003 92P1005 92P1009 92P1080 92P1119 92P1146 92P1148 FRU 92P0998 FRU 92P1002 FRU 92P1078 FRU 92P1143 FRU 92P1145 FRU 92P1147 FRU 92P1149, 4400 mAh; 8 Cells