... 8V >Weight: 383.5g Replacement notebook battery,laptop battery for IBM X40(E) (8 cells) Capacity: 4400mAh Voltage: ... systerm, CE, UL, RoHS2)Replacement Models: IBM THINKPAD X40 ; Thinkpad X41 Series 3)Compatible P/N ... :IBM 92P0999, 92P1000, 92P1003, 92P1005, 92P1009, 92P1080, 92P1119 ... Offered Laptop Battery Notebook PC Computer Battery for IBM X40(E) (8 cells)