BRAND - GENUINE LENOVO (45N0059) 20V 6.75A 135W REPLACEMENT AC ADAPTER FOR LENOVO THINK PAD 45N0055, 45N0053, 45N0057, LENOVO THINKPAD W510,T520 NOTEBOOK Original Lenovo P/N:45N0059/45N0058, 2 Prong Version Input:110V -240V ,OutPut: 20V 6.75A 2 Prong US Power Cord Included