... it can be charged to all brands of laptop. Such as Dell, Hp, Toshiba, Samsung, Acer, IBM, Sony, Lenovo, ... -USB 5V output port6 -Output port for laptop charging Product ParametersProjectsThinkbatInput ParametersDC 12.6V 3.2ADC ... 5*2.5mmAcer,Compaq,Delta,HP,Fujitsu,Gateway,Toshiba,Liteon etc.M6DC 19V5.0*3.0mmSamsung etc ... 5*2.1mmAcer,Compaq,Delta,HP,Fujitsu,Gateway,Toshiba,Liteon etc.M8DC 19.5V6.5*4. ...