The 08619 Props Power Case with Rechargeable 12,000mAh Battery from Digital Treasures includes a built-in 12,000mAh battery to keep your iPad up and running. The front cover folds into a stand for hands-free web surfing, reading or movie watching. Your iPad is held in place by built-in tabs for all four corners. The built-in battery extends your iPad 2's power by 130% and the iPad 3 by 70%. The protective folio design also helps keep dust and dirt off your iPad. The unit includes a charging cable and USB adapter.