This universal power adapter with a power output of 90 W is an excellent choice for powering almost any laptop or other device requiring a voltage in the range of DC 5 V - 20 V. The output voltage is set automatically using connectors. The advantage is the additional USB output type A = DC 5 V / max. 1 A, which can be used to power most devices with a USB interface (eg MP3 players, Bluetooth hands-free, digital frames, most mobile phones, navigation, tablets, etc. ).