Overview: Output Power: 100W (max) Polarity: Center Positive Input Voltage Range AC: 100 240V, 50 60 Hz Input Voltage Range DC: 9 15V, 8A Output Voltage: DC 12/15/16/18/19/20V, 4.5A DC 22V/24V, 4A lt; DC5V 1A (USB Port) Certification: UL, CE, Energy Star DC Power Cord Length: 33.5 Inches AC Power Cord Length: 47 Inches Power Adapter Cable Length: 44 Inches Specification: Dimensions:5.24in 2.52in 1.38in