... -60Hz 1.5AOutput:19V1.58ADC interface:5.5*2.5Power:30W Products Features:1, Professional patch technology production;2, Allmported electronic ... with over-voltage, over current, short circuit protection;3, Output power enough;4,The output voltage accuracy;5,The output voltage ... is small;6, Original standard design, 100% compatible with original power supply. 30W 19V1.58A for laptop adapter