1.All new Acell,laptop battery for ibm x40 2.Manufacturer supply,high quality 3.over 500 models 4. ... Professional production For IBM ThinkPad X40, X41 Series Laptop BatteryPart No.:92P0998, 92P0999, 92P1000, 92P1009, 92P1078 ... :4 GrainsWeight: 204gWarranty: one year laptop battery for IBM ThinkPad X40, X41 Series Laptop