GPK Systems Ac Adapter for Lenovo Thinkpad L430 T420 T520 T430u S230u Twist Ultrabook ; L430 24663fu 24692ru ; S230u 33472hu 33472qu 33472yu ; T420 4178atu ; T520 424262u ; T430u 86143ju 86143lu ; Thinkpad Edge E430 E430c E530 E535 ; E430 627155u 627157u 627157u 62715ju 627169u ; E430c 33654xu ; E530 3259teu ; E535 3260efu Input: 100 - 240 V (worldwide use) Output:20V 4.5A 90Watt Service & Support 1 year warranty Products are CE/FCC/RoHS certified, tested by manufacturer to match and/or exceed specifications of OEM products. Designed exclusively for use with the laptops 100% compatibility with the original.