... voltage: 15V-24V USB output voltage: 5VDC power adapter for laptop 120W Detailed Product Description:input DC voltage 12V ... 5V USB port High efficiency Low ripple/noise Over Power Protection Over Voltage Protection Over Current Protection Over Temperature ... Toshiba,NEC 15V; C:5.5*2.1 for acer, Liteon,NEC 19V; D:5.5*2.5 for ... HP,compaq, Acer, gateway,IBM, Asus,Liteon,NEC, 19V; E:5. ...