X4 Power Universal Car Power Adapter for Laptop, Notebook, 80 Watts with 8 Connectors. A: 1.7MM * 4MM, B: 1.7MM * 5.5MM, C: 3MM * 5.5MM, D: 1.5MM *5.5MM, E:2.1MM * 5.5MM, F: 2.5MM * 5.5MM, G: 4.4MM * 6.5MM, H: 3MM * 6.3MM. X4 Power Adapter Input: Car Power DC 11-14 Volts,Output: 15/16/18/19/20V 3.5A Max 22/24V 2.9A Max 80W Fuse Protection: 10AMP One Year Manufacturer Warranty