Dekcell Laptop Battery for IBM Lenovo Thinkpad X41 Tablet, Thinkpad 1866 1867 18 Replacement Laptop Battery for IBM Lenovo Thinkpad X41 Tablet, Thinkpad 1866 1867 1868 1869 Compatible part number: 73P5167, 92P1082, 92P1085 Battery Type: Li-Ion. Volts/AmpH: 14.4V 4500mAh. Color: Black Brand new, 1 year warranty!