Japanese company Radius has launched the radJacket CHARGE for the iPod touch that boasts a built-in lithium ion battery so as to give your 'pod extra juice when on the go.

The claimed playback times from a three hour charge of the case are 46 hours of music, 12 hours of video and 10 hours of web browsing.

There's no info available on a UK launch for this power happy new device just yet, but we'll let you know if we hear more.