Genuine Original Lenovo 3000 ThinkPad Series 100-240V~2.5A 90W Smart Slim AC Adapter 42T4426.Lenovo Part Number: 42T4426Compatible Part Numbers: 42T4427Compatible Models: Lenovo 3000, ThinkPad T60 Z60 (integrated graphics only), X60, R60e, Z60, Z61, T60, SeriesSpecifications:Input: 100-240V~2.5A 50/60HzOutput: 20V - 4.5ATotal Output: 90W