car DC voltage converter, for laptops Input voltage: 12-15 V (cigarette lighter plug) Max. input current: 12A Output voltage: 15-16-18-19-20-22-24V (optional)Polarity: (+) or (-), optional Maximum output current: 6A Maximum power: 90W Output voltage plug sizes: 1. 4.7 (OD) x 1.7 (ID) mm 2. 5.0...