Laptop Notebook Charger for&nbsp;Samsung NP-QX411 NP-QX411-W01 NP-QX411-W01US NP-QX411-W01UB&nbsp;Adapter Adaptor Power Supply "Laptop Power" Branded (Power Cord Included) Replacement Laptop Charger US Power Cord Included Input: 100-240V Output: 19V 4.74A 90W