Anker's car lighter adapter provides two fast-charging ports, and it's on sale for 25% off at ... It provides 52.5W of total output from your conveniently located cigarette lighter socket, ...

In a car mag a few months ago I saw this tiny thing that plugs into the car cigarette lighter socket and sits flush with the socket giving you a usb powered port for charging iphones etc. I can't ...

It’s all about the amperage. This situation is all to do with amperage. USB ports at home, such as those of a wall plug or on the side of your laptop, tend to have an output of 2.1A or 2.4A.