I received my NTK car charger earlier today and it works great....plugged it in my car used my Asus usb and it charged my Asus just as quick as the house charger....it has an output of 12v 2.0A. Got it from Amazon here ------> http://www.amazon.com/NTK-BULLET-CHARGER-TRANSFORMER-TABLET/dp/B005L8Q4VU It was $18 with shipping.