SiKER AC Adapter/Power Supply+Cord for IBM ThinkPad R60 R61 T60 T61 T61p X60 X 60s X61 Z60 Z60t Z61 417032U SL300 SL400 SL410 SL410k SL500 20V 4.5A 90W Laptop adapter INPUT :100-240V, 50-60Hz, Output: 20V, 4.5A 90W Inner diameter - 5.5mm Outer diameter - 7.9mm. Package: 1x Ac adapter & 1x Ac power cable Features 100% Brand New Replacement AC ADAPTER , with 1 year warranty