Keep your compatible Asus notebook computer or tablet PC charged up and ready to go when you're on the road with the Asus Auto Adapter. The auto adapter is comaptible with an input voltage of 12V DC and puts out a maximum of 90 watts.
Asus Zenbook Notebooks:
X21E/31E, UX21A/31A, UX32A, UX32VD
Asus Eee Pad Transformer Tablet PCs:
SL101, TF101, TF300, TF700