... be charged to all brands of laptop. Such as Dell, Hp, Toshiba, Samsung, Acer, IBM, Sony, Lenovo, Fujitsu, Compaq, Delta, ... port Voltage5VUSB port CurrentMax.2AOutput Total Power60whCharging Time 3hCharging for laptop3~5hCharging for USB devices>15 timesCycle Life>1000 times Weight425gSize124*102 ... 3.0mmSamsung etc.M7DC 19V5.5*2.1mmAcer,Compaq,Delta,HP,Fujitsu,Gateway,Toshiba,Liteon etc.M8DC 19.5V6.5*4 ...