Technical specifications Connection type: 4.5 mm barrel port Input frequency: 47-63 Hz Input operating current: Max 4.2 A at 90 V AC Input efficiency: Min. 89% at 115 V AC / 230 V AC Output power: 330 W Output voltage: 19.5 V Hold-up time: 5 ms at 115 V AC input Output current limitation: Max. 25 A Cable length: 100 cm (power cable); 180 cm (non-detachable 4.5 mm barrel cable) Minimum system requirements: 4.5 mm DC connector Dimensions (W × D × H): 200 x 90 x 25.4 mm Weight: 900 g Operating humidity range: 20 to 95% relative humidity (non-condensing)