... * power factors: >88% 90W universal AC power adapter USB Product descriptions:INPUT100-240W 50-60HZOUTPUT12-24V 90WDC connector5.5x2. ... , Including Dell, HP, Compaq, Sony, Toshiba, IBM/Lenovo, Asus, Fujitsu, Gateway, Panasonic, Samsung and Acer brands for wide-ranging compatibility. 3 ... switch on the other side of the adapter. 4. The USB connector could power the smart electric appliance, such as MP3 ...