Laptop Notebook Charger for&nbsp;Samsung NT-X420-AA31B NT-X420-JA42P NT-X420-PA40SE NT-X420-PA53B NT-X420-PA53P&nbsp;Adapter Adaptor Power Supply (Power Cord Included) Replacement Laptop Charger US Power Cord Included Input: 100-240V Output: 19V 4.74A 90W