Extended Adapters supply all these units with power. Due to changeable Tips almost every model can be connected. The most important feature is the automatic voltage change. If chosen the right Tip the adapter changes the voltage automatically depending to this connector. A wrong voltage should be almost impossibleAntistatic Fire-resistant body Over-temperature-, Over-voltage-, Over-current-, Short-, Over-load-protection Input AC 100-230V / 50-80Hz Output Adapter DC 15-24V, 5A Max. 90W 24 months warranty Dimensions (H/W/D): 30 x 57 x 132mm Weight: 0,36Kg Contains tips for: M1 15V 6.3*3.0*12mm for toshiba M4 18.5V 4.8*1.7*12 mm for compaq M5 19V 5.5*2.5*12mm for acer, compaq, delta, HP, fujitsu, gateway, toshiba, liteon M7 19V 5.5*2.1*12mm for acer, compaq, delta, HP, fujitsu, gateway, toshiba, liteon M8 19.5V 6.5*4.4*12mm for sony M11 20V 7.9*5.4*12mm for IBM,lenovo M12 18.5V 7.4*5.0*12mm for HP, compaq M15 19V 5.5*1.7*12mm for acer, delta, toshiba, gateway, liteon option