Did a search and couldn't find anything so here it is:
With this ipod Mains Charger, you can keep your iPod's battery topped up at home. Simply plug into a wall socket, plug the other end into your iPod or docking station and charge. Works in conjunction with your iPod to automatically stop charging when the battery is full.
Ipod mains charger for iPhone, iPod 3G, iPod 4G, iPod Classic, iPod Color, iPod Mini, iPod Nano, iPod Nano 2G, iPod Nano 3G, iPod Photo, iPod Video