PowerSkin (http://www.Power-Skin.com) has announced the Gaming Skin for the iPhone and iPod touch.

It’s an protective cover and permanent power supply designed to enhance the gaming experience via built-in-stereo speakers and rumbling vibrations produced during immersive play, says David Becker, executive vice president of PowerSkin. The Gaming Skin for iOS is compatible with an array of devices, including second, third and fourth generation iPod touch, as well as the 3G, 3GS, 4 and 4S iPhone.

The Gaming Skin improves grip while gaming and also protects against scratches and short drops, says Becker. It purportedly extends both gaming time and/or video playback up to 10 hours, boasting a power capacity of 2050 mAh. Users can simultaneously charge the Gaming Skin and iOS device by plugging them into a laptop or wall charger; the iOS device will always charge first and drain power last.

It’s available for pre-order now for a discount of US$10 off. It’s normally $99.99.