ASUS E40W-01, Auto, Cigar lighter, 19 V, 2.1 A, Black ASUS E40W-01. Charger type: Auto, Power source type: Cigar lighter, Charger compatibility: Netbook, Laptop. Input voltage: 10 - 16 V, Maximum output voltage: 19 V, AC adapter output current: 2.1 A. Product colour: Black