Over-current protection, Voltage protection, Short circuit protection, Hot seller,Price advantage. Laptop adapter: Input :100-240V 50-60Hz 1.5AOutput:19V2.1ADC interface:2.5*0.8Power:40W Products Features:1, Professional patch technology production;2, Allmported electronic components, circuit boards with over-voltage, over current, short circuit protection;3, Output power enough;4,The output ...