Here is a another useful USB gadget that lets you charge your gadgets via USB in your car or your house, the Car + Wall Plug USB Power Charger.

The Car + Wall Plug USB Power Charger features a built in USB 5V charging port which means you will be able to charge your iPhone or iPod in your car.

Here are the specifications.

• Built-in dual USB 5V charging port, allows you charging USB device through any cigarette lighter socket or wall plug
• Status LED shows you when the car or wall plug is providing power
• Built-in fuse
• Dimension: 120 x 52 x 45mm (approx.)
• Weight: 100g

The Car + Wall Plug USB Power Charger is available $12 from USB Geek.