iBattz (http://augustusenterprises.com) has introduced their lineup of battery cases designed to ensure iPhone 4/4S users will never run out of juice.  The three battery case options titled Vogue, Armor and Classic offer protection and charging.

The US$89.90 Mojo Vogue battery case is available in six designer colors and 12 combinations featuring changeable back covers. The Vogue provides protection from knocks, drops and vibrations and includes a second battery.

The $99.90 Armor protects your iPhone from life’s drops, dust, splashes and shocks. It’s designed for outdoor enthusiasts, students and anyone that needs a rugged battery case. The cases are available in grey and black both with a protective silicone sleeve to seal all ports. The case also has an exchangeable bumper and back cover.

The $49.90 Mojo Classic removable battery case, available in both black and white, is designed to extend battery life and complement the minimalistic design of the iPhone 4/4S. The lightweight case purportedly doubles the battery capacity of your smartphone.