If you fancy watching a little TV on your iPhone Japanese company Logitec have unveiled a new battery case called the LDT-1Si41 which will provide your iPhone with an additional 1500 mAh battery and enable it to receive TV signals. Watch the brief video after the jump to see it in action.

The new battery and TV case from Logitec, (who is not associated with Logitech) will be arriving in

Japan next month for 12,800 Yen or $164. The cradle/case is designed to be combined with a free

iOS application which will be available to download for free on release from the Apple iTunes App Store.