Brando has released a slim leather case with a built-in battery attachment. Anytone Smart Cover Power For iPad 2 comes with a 3000mAh battery pack attached to the smart cover like case and you can charge your iPad 2 or iPhone 4 on the go. Here is more info:
Features : - Works with iPad 2 / iPhone 4 - Easy to carry due to slim and light weight design - Easy to use smart USB recharging - Recharge your devices anywhere and anytime - Attach it to IPAD Smart Cover to charge directly for IPAD - Power on and off to save as much energy as possible - Dimension: 237 x 39 x 6mm (approx.) - Weight: 78g