Compatible Laptop: Acer,Alienware,Fujistu,,Gateway,Sager,Samsung UMPC,,Tadpole,Winbook,Compaq,Toshiba,Dell,Sony,IBM,Lenovo,HP, Technical Parameters:Model:SG-16/19-C150capability:150WhOutput Voltage:16V,19V selection,with USB output slotOutput Current:3.5A(Max:4.5A)Charge Time:about 2.5hoursRecommended Charge Temperature:0centigrade to 40 centigradeDischarge Temperature: below20centigrade to 60 ...