IvySkin today announced the all new SmartCase case for iPhone 4/4S. Delivering the same award-winning on-the-go power, the new SmartCase is lightweight and rugged, featuring the new Wrangler design with optional battery pack. "If there is one tradition we hold sacred, it is our commitment to innovation", state IvySkin. The all new SmartCase is their 4th generation iPhone case battery pack and the world’s most advanced iPhone 4/4S accessory. Featuring, a patented design battery pack and Touch-Thru glass screen. Each case retails for $49.99/£31.99 – click here to order. * Twice the Power – Packing a 2000mAh rechargeable lithium polymer battery, the SmartCase delivers an incredible amount of power in…