laptop adapter: 1.Factory selling, punctual delivery 2.Short circuit, overload protection ... time200ms,100ms,30ms/230VAC Input AC input voltage range100~240VAC 47~63Hz AC input current (max)1.5A Efficiency≥80% ≥80% ≥85% ≥85 ... or Machine; cctv camera ,security products, tablet , ipod , notebook , laptop adapter ,led light , led stript , led products . lead acid , li-ion ...